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Linda Mcquaigs Shooting The Hippo: Causes And Results Of Debt :: essays research papers fc
Linda McQuaig's Shooting The Hippo: Causes and Results of Debt Linda McQuaig's latest book, "Shooting the Hippo"...
Tuesday, January 28, 2020
Reggio Emillia Essay Example for Free
Reggio Emillia Essay ââ¬ËA Reggio pre-school is a special kind of place, one in which young human beings are invited to grow in mind, in sensibility and in belonging to a broader community. ââ¬â¢ (Learning and teaching Scotland, 2006) For this case study I am going to look at the four themes of the Early Years Foundation Stage, also known as the EYFS. The EYFS sets the standards that all early years providers must meet to ensure that children learn, develop well, and are kept healthy and safe. It promotes teaching and learning to ensure childrenââ¬â¢s ââ¬Ëschool readinessââ¬â¢ and gives children the broad range of knowledge and skills that will provide the right foundation for good future progress, throughout school, and adult life. (Hutchin, 2012) I will be highlighting links between the EYFSââ¬â¢s four main themes; A Unique Child, Positive Relationships, Enabling Environments and Learning and Developing, and discussing how the Reggio Emilia Approach supports these themes. The Reggio Emilia Approach is focused on preschool and primary education, originally set up in the northern Italian town of Reggio Emilia. It has a reputation for forward thinking and excellence in its approach to early childhood education. It is an approach where the expressive arts play a central role in learning and where a unique reciprocal learning relationship exists between practitioner and child. (Tornton, 2006) According to Locke and Rousseau children are born as ââ¬Å"blank slatesâ⬠completely free of any predisposition or vulnerabilities, and that everything the child would become was due to the effects of their environment. (Moyles, 2010) Though within the Reggio Emilia approach they see children as slightly different, they believe children are empty vessels waiting eagerly to be filled with knowledge. Reggio educators believe strongly that a child has unlimited potential and is eager to interact with, and contribute to the world. (Learning and Teaching Scotland, 2006) The way the Reggio Emilia Approach views their children is much like the Early Years Foundation Stage. The EYFS states ever child is a unique child who is constantly learning and can be resilient, capable, confident and self-assured. (EYFS, 2012) Both the EYFS and the Reggio Emilia Approach see children as individuals; this is conveyed throughout the EYFS, as one of its main themes is : A Unique Child. The EYFS states practitioners should understand and observe each childââ¬â¢s development and learning, assess progress, and plan for the next steps. (EYFS, 2012) The Reggio Emilia approach tackles this in a very different way in relation to the UK. Childrenââ¬â¢s work is documented throughout the year on walls to display a story of the childââ¬â¢s learning; it is not something that is made after the child has finished working. Educators observe, document and analyse childrenââ¬â¢s learning journeys, they are able to make informed hypotheses about how to guide children in their learning. It is obvious then that documentation is far removed from photographic displays of completed project work. (Learning and Teaching Scotland, 2006) Throughout the Reggio Emilia buildings there are many long, child height mirrors. This is designed to support children to help them develop a positive sense of their own identity and culture. This is one of the practices of the Unique Child theme in the EYFS. Another way the Reggio Emilia Approach supports children finding their own identity is ââ¬Ëpedagogyââ¬â¢ this means that art is seen as another way of communicating and expressing ideas. Children are also encouraged to raise their own questions and answers, and this re-enforces the childââ¬â¢s opinion that their thinking is valued. Education is based on relationships. Reggio Emilia teachers are seen as partners in learning, (Tornton, 2006) for example pupils and teachers work together aiming towards a common purpose: the building of a culture. This respects childhood as a time to explore, create and be joyful. Participation begins even before the children have started school, through a comprehensive integration programme. This involves meetings between children, parents and teachers to build an image of the child as an individual. This often involves the child doing a task such as making a ââ¬Ëholiday bookletââ¬â¢ of photographs and favourite nursery rhymes; this can be used as stimulus for discussion between child and teacher. (Learning and Teaching Scotland, 2006) The teacher`s working with the child links to one of the four themes within the EYFS- Positive Relationships. The EYFS states you should be supportive of the childââ¬â¢s own efforts and independence (EYFS, DATE). By the teacher being a partner in learning, suggests that children could have the freedom to convey their thoughts and ideas more freely. To give an example: The teacher strives to support and encourage the child on the learning journey, encouraging them to reflect and to question. In this sense, the role of the teacher is not to dispense information or simply to correct. Rather, the teacher is like a tool that the children use when most needed. (Learning and Teaching Scotland, 2006) This also links to Jerome Brunerââ¬â¢s theory of scaffolding, this is the idea that you can give children support in their learning. Froebel also stressed the significance of building positive relationships within an educational environment; his most important gift to children was the classroom, symbolically viewed as an extension of a lovely, thriving garden. This enabled the teacher to take on the role of a loving, supportive parent. (Bruce, 2012) This shows that from a personal view he thought teachers should be like an empathetic parent. Environment plays a key role in supporting and extending a childââ¬â¢s development. Vygotsky believed that we learn from our environment and the people around us. (Vygotsky, 1978) His view is much like the teachings of the Reggio Emilia Approach, for example one of their fundamental principles says the environment is the third teacher, the environment is recognised for its potential to inspire children. (Tornton, 2006) Kerka (1999) suggests that an environment that nurtures learning provides the necessary resources and time for investigative play and experimentation. It is one in which children are free and motivated to make choices and to explore for answers without feeling intimidated. (Cited, Danko-Mcghee, 2009) Within the Reggio Emilia settings children have lessons outside in the community, making great use of the Piazzaââ¬â¢s, which are squares within the town, where children can learn alongside the community, as well as making the most out of the outdoors. This also has an impact on positive relationships between both the community and the children, which links to the enabling environment within the EYFS. Reggio Emilia buildings and spaces link to what the EYFS suggests practices should offer, stimulating recourses, relevant to all the childrenââ¬â¢s cultures and communities. Reggio Emilia settings, buildings and spaces reflect their relationships and view of the child. There are lots of long windows, this is so that the children can interact with the outside community, and also it reflects the idea that education is not just what you learn in the classroom. It is seen as less restricting to have long windows, and lets a lot of light into the setting creating a more natural airy environment. Within the setting there are a lot of natural materials used, from the childrenââ¬â¢s toys and equipment to the building and furniture inside. This is much like Steinerââ¬â¢s view, in his schools all toys are made from natural materials, this is because simple toys stimulate and encourage imagination, as children can interoperate natural materials to be anything they want. Throughout this assessment I have been linking the key themes of the EYFS and relating them to the Reggio Emilia Approach, I am now going to discus whether or not the approach can be taken from Italy and brought to the UK. As I have mentioned above a big aspect of the Reggio Emilia approach is the environment, I believe this may be a problem as many of our English calendar months can be wet, cold, and miserable. Children spend the majority of time indoors during the winter months, even sometimes on dry days largely due to protests from parents that the damp weather is bad for the children. Though in Italy they do not have this problem, if it is wet or cold they just see this as an opportunity for children to wrap up warmer. I do believe it is counter-productive to wrap children up in cotton wall, I think that sometimes it is good for children to be taken out of their comfort zones. This will benefit a childââ¬â¢s emotional development by trying and exploring new things and gaining self-confidence. Maybe we need to look at our cultures upbringing of our children and let children explore the different seasons. Even though the outdoors isnââ¬â¢t a major part of the Reggio Emilia is it still highly valued, as they like to encourage a lot of natural materials and bring the outdoors in, whilst exploring the different environments. Also we lack in open out door spaces within the community for example in Italy they have plazas Bringing this approach to the UK may cause some trouble for children who do not have a secure home setting; this is because going to school creates a secure environment. Whereas, with the Reggio Emilia approach, children may find their education too unstructured. Instead of choosing their learning methods, they might prefer a setting with secure guidelines and learning outcomes. Furthermore I think the transition from the Reggio Emilia Approach to mainstream higher education may be difficult as the children, as they are so used to the freedom and the scaffolding of the teachers, that they might not be able to settle into the strict curriculum. I believe this quote sums up my opinion perfectly, ââ¬ËIt is a mistake to take any approach and assume like a flower you can take it from one soil and put it in another one. That never works. We have to figure out what aspects of that are most important to us and what kind of soil we need to make those aspectsââ¬â¢ (Gardner, 1993)
Monday, January 20, 2020
The Great Patient Race :: essays research papers
When Gordon Gould was a graduate student at Columbia University in 1957, he sketched out the concept of a concentrated beam of light amplified in a gas-filled chamber and coined the term "laser" to describe it. But Gould waited to seek a patent on his discovery, believing incorrectly that a working prototype was necessary. Eventually, two other researchers were awarded the basic patents instead. After a decades-long legal tussle, Gould finally reveled in victory when a federal court ruled that the patent application it had approved did not anticipate the common uses of lasers. The U.S. Patent and Trademark Office then granted Gould lucrative rights to the invention, in part because as a graduate student he had his original research notebooks date-stamped and notarized. The legal standard that was applied awards patents to the person who invented a concept first, and it has long been a unique feature of the U.S. patent system. This year, however, Congress is about to consider a controversial proposal from Rep. Lamar Smith, a Texas Republican, that would grant a patent to the first person to submit the paperwork --a standard that's common outside the United States. The legislation suddenly has become a flash point about everything that's right with the U.S. patent system--and everything that's wrong with it. Technology companies fighting expensive patent cases are hoping the bill will reduce litigation, while open-source advocates say it will do nothing to hinder the rising tide of software patents being issued. Many people feel that the measure will make only modest improvements, if any, to the quality of patents being awarded. Smith's bill, called the Patent Reform Act of 2005, also has drawn the ire of independent inventors, who have said it will unfairly hurt anyone without a battalion of patent lawyers who can race to the Patent and Trademark Office in Alexandria, Va. The rule probably would have kept Gould from being awarded the laser patents he eventually got. "We really feel that there's a litigation lottery. People roll the die and hope that their number comes up big." --David Kaefer director of intellectual-property licensing, Microsoft Smith declined, through a representative, to comment on the bill before a hearing set for Thursday. The issue has taken on additional urgency because of Smith's ambitious plan to navigate his bill quickly through the House by year's end. Next week's hearing will take place shortly after politicians have returned from their summer break. Meanwhile, a similar measure is being readied in the Senate by Utah Republican Orrin Hatch. The Great Patient Race :: essays research papers When Gordon Gould was a graduate student at Columbia University in 1957, he sketched out the concept of a concentrated beam of light amplified in a gas-filled chamber and coined the term "laser" to describe it. But Gould waited to seek a patent on his discovery, believing incorrectly that a working prototype was necessary. Eventually, two other researchers were awarded the basic patents instead. After a decades-long legal tussle, Gould finally reveled in victory when a federal court ruled that the patent application it had approved did not anticipate the common uses of lasers. The U.S. Patent and Trademark Office then granted Gould lucrative rights to the invention, in part because as a graduate student he had his original research notebooks date-stamped and notarized. The legal standard that was applied awards patents to the person who invented a concept first, and it has long been a unique feature of the U.S. patent system. This year, however, Congress is about to consider a controversial proposal from Rep. Lamar Smith, a Texas Republican, that would grant a patent to the first person to submit the paperwork --a standard that's common outside the United States. The legislation suddenly has become a flash point about everything that's right with the U.S. patent system--and everything that's wrong with it. Technology companies fighting expensive patent cases are hoping the bill will reduce litigation, while open-source advocates say it will do nothing to hinder the rising tide of software patents being issued. Many people feel that the measure will make only modest improvements, if any, to the quality of patents being awarded. Smith's bill, called the Patent Reform Act of 2005, also has drawn the ire of independent inventors, who have said it will unfairly hurt anyone without a battalion of patent lawyers who can race to the Patent and Trademark Office in Alexandria, Va. The rule probably would have kept Gould from being awarded the laser patents he eventually got. "We really feel that there's a litigation lottery. People roll the die and hope that their number comes up big." --David Kaefer director of intellectual-property licensing, Microsoft Smith declined, through a representative, to comment on the bill before a hearing set for Thursday. The issue has taken on additional urgency because of Smith's ambitious plan to navigate his bill quickly through the House by year's end. Next week's hearing will take place shortly after politicians have returned from their summer break. Meanwhile, a similar measure is being readied in the Senate by Utah Republican Orrin Hatch.
Sunday, January 12, 2020
Data Masking
An Oracle White Paper July 2010 Data Masking Best Practices Oracle White Paperââ¬âData Masking Best Practices Executive Overview â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 1 Introduction â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 1 The Challenges of Masking Data â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 2 Implementing Data Masking â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 2 Comprehensive Enterprise-wide Discovery of Sensitive Data â⬠¦Ã¢â¬ ¦.. Enforcing Referential Relationships during Data Masking â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 4 Rich and Extensible Mask Libraryâ⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 6 Sophisticated Masking Techniques â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦.. 7 High Performance Mask Execution â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦ 9 Integrated Testing with Application Quality Management solutions11 Oracleââ¬â¢s Comprehensive Solutions for Database Security â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦.. 12 Customer Case Studies â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦. 2 Conclusion â⬠¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã¢â¬ ¦Ã ¢â¬ ¦Ã¢â¬ ¦.. 13 Oracle White Paperââ¬âData Masking Best Practices Executive Overview Enterprises need to share production data with various constituents while also protecting sensitive or personally identifiable aspects of the information. As the number of applications increases, more and more data gets shared, thus further increasing the risk of a data breach, where sensitive data gets exposed to unauthorized parties.Oracle Data Masking addresses this problem by irreversibly replacing the original sensitive data with realistic -looking scrubbed data that has same type and characteristics as the original sensitive data thus enabling organizations to share this information in compliance with information security policies and government regulations. This paper describes the best practices for deploying Oracle Data Masking to protect sensitive information in Oracle and other heterogeneous databases such as IBM DB2, Microsoft SQLServer.Introduction Enterprises share data from the ir production applications with other users for a variety of business purposes. Most organizations copy production data into test and development environments to allow application developers to test application upgrades. Retail c ompanies share customer point-of-sale data with market researchers to analyze customer buying patterns. Pharmaceutical or healthcare organizations share patient data with medical researchers to assess the efficacy of clinical trials or medical treatments.Numerous industry studies on data privacy have concluded that almost all companies copy tens of millions of sensitive customer and consumer records to non-production environments for testing, development, and other uses. Very few companies do anything to protect this data even when sharing with outsourcers and third parties. Almost 1 out of 4 companies responded that live data used for development or testing had been lost or stolen and 50% s aid they had no way of knowing if data in non-production environme nts had been compromised. 1 Oracle White Paperââ¬âData Masking Best Practices The Challenges of Masking DataOrganizations have tried to address these issues with custom hand-crafted solutions or repurposed existing data manipulation tools within the enterprise to solve this problem of sharing sensitive information with non-production users. Take for example, the most common solution: database scripts. At first glance, an advantage of the database scripts approach would appear that they specifically address the unique privacy needs of a particular database that they were designed for. They may have even been tuned by the DBA to run at their fastest Letââ¬â¢s look at the issues with this approach. 1.Reusability: Because of the tight association between a script and the associated database, these scripts would have to re-written from scratch if applied to another database. There are no common capabilities in a script that can be easily leveraged across other databases. 2. Transp arency: Since scripts tend to be monolithic programs, auditors have no transparency into the masking procedures used in the scripts. The auditors would find it extremely difficult to offer any recommendation on whether the masking process built into a script is secure and offers the enterprise the appropriate degree of protection. 3.Maintainability: When these enterprise applications are upgraded, new tables and columns containing sensitive data may be added as a part of the upgrade process. With a script-based approach, the entire script has to be revisited and updated to accommodate new tables and columns added as a part of an application patch or an upgrade. Implementing Data Masking Based on Oracle Data Masking , Oracle has developed a comprehensive 4-step approach to implementing data masking called Find, Assess, Secure, and Test (FAST). These steps are: ? Find: This phase involves identifying and cataloging sensitive or regulated data across the entire enterprise.Typically car ried out by business or security analysts, the goal of this exercise is to come up with the comprehensive list of sensitive data elements specific to the organization and discover the associated tables and columns across enterprise databases that contain the sensitive data. ? Assess: In this phase, developers or DBAs in conjunction with business or security analysts identify the masking algorithms that represent the optimal techniques to replace the original sensitive data. Developers can leverage the existing masking library or extend it with their own masking routines. ? Secure: This and the next steps may be iterative.The security administrator executes the masking process to secure the sensitive data during masking trials. Once the masking process has completed and has been verified, the DBA then hands over the environment to the application testers. 2 Oracle White Paperââ¬âData Masking Best Practices ? Test: In the final step, the production users execute application proces ses to test whether the resulting masked data can be turned over to the other non-production users. If the masking routines need to be tweaked further, the DBA restores the database to the pre-masked state, fixes the masking algorithms and re-executes the masking process.Comprehensive Enterprise-wide Discovery of Sensitive Data To begin the process of masking data, the data elements that need to be masked in the application must be identified. The first step that any organization must take is to determine what is sensitive. This is because sensitive data is related to specific to the government regulations and industry standards that govern how the data can used or shared. Thus, the first step is for the security administrator to publish what constitutes sensitive data and get agreement from the companyââ¬â¢s compliance or risk officers. A typical list of sensitive data elements may include:Person Name Bank Account Number Maiden Name Card Number (Credit or Debit Card Number) Busi ness Address Tax Registration Number or National Tax ID Business Telephone Number Person Identification Number Business Email Address W elfare Pension Insurance Number Custom Name Unemployment Insurance Number Employee Number Government Affiliation ID User Global Identifier Military Service ID Party Number or Customer Number Social Insurance Number Account Name Pension ID Number Mail Stop Article Number GPS Location Civil Identifier Number Student Exam Hall Ticket Number Credit Card Number Club Membership IDSocial Security Number Library Card Number Trade Union Membership Number Oracle Data Masking provides several easy-to-use mechanisms for isolating the sensitive data elements. 3 Oracle White Paperââ¬âData Masking Best Practices ? Data Model driven: Typical enterprise applications, such as E-Business Suite, Peoplesoft and Siebel, have published their application data model as a part of their product documentation or the support knowledge base. By leveraging the published data models, data masking users can easily associate the relevant tables and columns to the mask formats to create the mask definition. ?Application Masking Templates: Oracle Data Masking supports the concept of application masking templates, which are XML representations of the mask definition. Software vendors or service providers can generate these pre-defined templates and make them available to enterprises to enable them to import these templates into the Data Masking rapidly and thus, accelerate the data masking implementation process. ? Ad-hoc search: Oracle Data Masking has a robust search mechanism that allows users to search the database quickly based on ad hoc search patterns to identify tables and columns that represent sources of sensitive data.With all the database management capabilities, including the ability to query sample rows from the tables, built into Enterprise Manager, the Data Masking a can assist enterprise users rapidly construct the mask definition ââ¬â th e pre-requisite to mask the sensitive data. For deeper searches, Oracle provides the Oracle Data Finder tool during data masking implementation to search across enterprises based on data patterns, such as NNN-NN-NNNN for social security numbers or 16 or 15 digit sequences beginning with 3, 4 or 5 for credit card . numbers.Using the combination of schema and data patterns and augmenting them with published application meta data models, enterprises can now develop a comprehensive data privacy catalog that captures the sensitive data elements that exist across enterprise databases. To be clear, this is not a static list. This is a dynamic living catalog managed by security administrators that needs to be refreshed as business rules and government regulations change as well as when applications are upgraded and patched and new data elements containing sensitive data are now discovered. Enforcing Referential Relationships during Data MaskingIn todayââ¬â¢s relational databases (RDBMS), data is stored in tables related by certain key columns , called primary key columns, which allows efficient storage of application data without have to duplicate data. For example, an EMPLOYEE_ID generated from a human capital management (HCM) application may be used in sales force automation (SFA) application tables using foreign key columns to keep track of sales reps and their accounts. When deploying a masking solution, business users are often concerned with referential integrity, the relationship between the primary key and the foreign key columns, in a database or across databases. 4Oracle White Paperââ¬âData Masking Best Practices CUSTOMERS EMPLOYEES ? ? ? EMPLOYEE_ID FIRST_NAME LAST_NAME Database enforced Application enforced ? ? ? CUSTOMER_ID SALES_REP_ID COMPANY_NAME SHIPMENTS ? ? ? SHIPMENT_ID SHIPPING_CLERK_ID CARRIER Figure 1:The Importance of Referential Integrity Oracle Data Masking automatically identifies referential integrity as a part of the mask definition creation. This means that when a business user chooses to mask a key column such as EMPLOYEE_ID, the Oracle Data Masking discovers all the related foreign key relationships in the database and enforces the same mask format to the related foreign key columns.This guarantees that the relationships between the various applications tables are preserved while ensuring that privacyrelated elements are masked. In applications where referential integrity is enforced in the database, Oracle Data Masking allows these relationships to be registered as relate d columns in the mask definition, thereby applying the same masking rules as applied to the database-enforced foreign key columns. 5 Oracle White Paperââ¬âData Masking Best Practices Figure 2: Automatic enforcement of referential Integrity Rich and Extensible Mask LibraryOracle Data Masking provides a centralized library of out-of-the-box mask formats for common types of sensitive data, such as credit card numbers, phone numbers, nati onal identifiers (social security number for US, national insurance number for UK). By leveraging the Format Library in Oracle Data Masking, enterprises can apply data privacy rules to sensitive data across enterprise-wide databases from a single source and thus, ensure consistent compliance with regulations. Enterprises can also extend this library with their own mask formats to meet their specific data privacy and application requirements. Oracle White Paperââ¬âData Masking Best Practices Figure 3: Rich and extensible Mask Format Library Oracle Data Masking also provides mask primitives, which serve as building blocks to allow the creation of nearly unlimited custom mask formats ranging from numeric, alphabetic or date/time based. Recognizing that the real-world masking needs require a high degree of flexibility, Oracle Data Masking allows security administrators to create user-defined-masks. These user-defined masks, written in PL/SQL, let administrators create unique mask fo rmats for sensitive data, e. g. enerating a unique email address from fictitious first and last names to allow business applications to send test notifications to fictitious email addresses. Sophisticated Masking Techniques Data masking is in general a trade-off between security and reproducibility. A test database that is identical to the production database is 100% in terms of reproducibility and 0% in terms of security because of the fact that it exposes the original data. Masking technique where data in sensitive columns is replaced with a single fixed value is 100% in terms of security and 0% in terms of reproducibility.When considering various masking techniques, it is important to consider this trade-off in mind when selecting the masking algorithms. Oracle Data Masking provides a variety of sophisticated masking techniques to meet application requirements while ensuring data privacy. These techniques ensure that applications continue to operate without errors after masking. For example, ? Condition-based masking: this technique makes it possible to apply different mask formats to the same data set depending on the rows that match the conditions.For example, applying different national identifier masks based on country of origin. ? Compound masking: this technique ensures that a set of related columns is masked as a group to ensure that the masked data across the related columns retain the same relationship, e. g. city, state, zip values need to be consistent after masking. 7 Oracle White Paperââ¬âData Masking Best Practices Deterministic Masking Deterministic masking is an important masking technique that enterprises must consider when masking key data that is referenced across multiple applications.Take, for example, three applications: a human capital management application, a customer relationship management application and a sales data warehouse. There are some key fields such as EMPLOYEE ID referenced in all three applications and needs to be masked in the corresponding test systems: a employee identifier for each employee in the human resources management application, customer service representative identifiers, which may also be EMPLOYEE IDs, in the customer relationship management application and sales representative IDs, which may be EMPLOYEE IDs in the sales data warehouse.To ensure that data relationships are preserved across systems even as privacy-related elements are removed, deterministic masking techniques ensure that data gets masked consistently across the various systems. It is vital that deterministic masking techniques used produce the replacement masked value consistently and yet in a manner that the original data cannot be derived from the masked value. One way to think of these deterministic masking techniques is as a function that is applied on the original value to generate a unique value consistently that has the same format, type and characteristics as the original value, e. . a deterministic funct ion f(x) where f(x1) will always produce y1 for a given value x1. In order for the deterministic masking to be applied successfully, it is important that the function f(x) not be reversible, i. e. the inverse function f-1(y1) should not produce x1 to ensure the security of the original sensitive data. Deterministic masking techniques can be used with mathematical entries, e. g. social security numbers or credit card numbers, as well as with text entries, e. g. , to generate names.For example, organizations may require that names always get masked to the same set of masked names to ensure consistency of data across runs. Testers may find it disruptive if the underlying data used for testing is changed by production refreshes and they could no longer locate certain types of employees or customer records that were examples for specific test cases. Thus, enterprises can use the deterministic masking functions provided by Oracle Data Masking to consistently generate the same replacement mask value for any type of sensitive data element.Deterministic masking becomes extremely critical when testing data feeds coming from external systems, such as employee expense data provided by credit card companies. In production environments, the feed containing real credit card numbers are processed by the accounts payable application containing employeeââ¬â¢s matching credit card information and are used to reconcile employee expenses. In test systems, the employee credit card numbers have been obfuscated and can no longer be matched against the data in the flat files containing the employeeââ¬â¢s real credit card number.To address this requirement, enterprises pre-load the flat file containing data using tools such as SQL*Loader, into standard tables, then mask the sensitive columns using deterministic masking provided by Oracle Data Masking and then extract the masked data back into flat file. Now, the application will be able to process the flat files correctly just as they would have been in Production systems. 8 Oracle White Paperââ¬âData Masking Best Practices High Performance Mask Execution Now that the mask definition is complete, the Oracle Data Masking can now execute the masking process to replace all the sensitive data.Oracle Enterprise Manager offers several options to clone the production database: ? Recover from backup: Using the Oracle Managed Backups functionality, Oracle Enterprise Manager can create a test database from an existing backup. ? Clone Live Database: Oracle Enterprise Manager can clone a live production data into any non production environment within a few clicks. The clone database capability also provides the option to create a clone image, which can then be used for other cloning operations.With the cloned (non-production) database now ready for masking, the Oracle Data Masking builds a work list of the tables and columns chosen for masking. Other tables that are not required to be masked are not touched. Furthe r, the tables selected for masking are processed in the optimal order to ensure that only one pass is made at any time even if there are multiple columns from that table selected for masking. Typically, the tables with the primary keys get masked first, followed by the dependent tables containing foreign keys.Once the mask work list is ready, the Oracle Data Masking generates mapping tables for all the sensitive fields and their corresponding masked values. These are temporary tables that are created as a part of the masking process, which will be dropped once all data has been masked successfully. Using a highly efficient data bulk mechanism, Oracle Data Masking rapidly recreates the masked replacement table based on original tables and the mapping tables and restores all the related database elements, such as indexes, constraints, grants and triggers identical to the original table.Compare this with the typical data masking process, which usually involves performing table row upda tes. Because rows in a table are usually scattered all over the disk, the update process is extremely inefficient because the storage systems attempts to locate rows on data file stored on extremely large disk s. The bulk mechanism used by Oracle Data Masking lays down the new rows for the masked table in rapid succession on the disk. This enhanced efficiency makes the masked table available for users in a fraction of the time spent by an update-driven masking process.For large tables, Oracle Data Masking automatically invokes SQL parallelism to further speed up the masking process. Other performance enhancements include using the NOLOGGING option when recreating the table with the masked data. Typical database operations such as row inserts or updates generate redo logs, which are used by the database to capture changes made to files. These redo logs are completely unnecessary in a data masking operation since the non-production database is not running in a production environment, requiring continuous availability and recoverability.Using the NOLOGGING option, the Oracle Data Masking bypasses the logging mechanism to further accelerate the masking process efficiently and rapidly. 9 Oracle White Paperââ¬âData Masking Best Practices In internal tests run on a single-core Pentium 4 (Northwood) [D1] system with 5. 7G of memory, the following performance results with reported. Criteria Baseline Metric Column scalability 215 columns 100 tables of 60G 20 minutes Row scalability 100 million rows 6 columns 1 hour 20 minutes Figure 4: Oracle Data Masking Performance scalability testsAs these results clearly indicate, Oracle Data Masking can handle significant volumes of sensitive data effortlessly both in terms of the number of sensitive columns as well as tables with large numbers of rows. Oracle Data Masking is also integrated with Oracle Provisioning and Patch Automation in Oracle Enterprise Manager to clone-and-mask via a single workflow. The secure high perfor mance nature of Oracle Data Masking combined with the end-to-end workflow ensures that enterprise can provision test systems from production rapidly instead of days or weeks that it would with separate manual processes.Optimized for Oracle databases Oracle Data Masking leverages key capabilities in Oracle databases to enhance the overall manageability of the masking solution. Some of these include: ? Flashback: Administrators can optionally configure Oracle databases to enable flashback to a premasked state if they encounter problems with the masked data. ? PL/SQL: Unlike other solutions, Oracle Data Masking generates DBA-friendly PL/SQL that allows DBAs to tailor the masking process to their needs. This PL/SQL script can also be easily integrated into any cloning process. 0 Oracle White Paperââ¬âData Masking Best Practices Support for heterogeneous databases Oracle Data Masking supports masking of sensitive data in heterogeneous databases such as IBM DB2 and Microsoft SQLServer through the use of Oracle Database Gateways. Figure 5: Data masking support for heterogeneous databases Integrated Testing with Application Quality Management solutions The final step of the masking process is to test that the application is performing successfully after the masking process has completed.Oracle Enterprise Managerââ¬â¢s Application Quality Management (AQM) solutions provide high quality testing for all tiers of the application stack. Thorough testing can help you identify application quality and performance issues prior to deployment. Testing is one of the most challenging and time consuming parts of successfully deploying an application, but it is also one of the most critical to the projectââ¬â¢s success. Oracle Enterprise Managerââ¬â¢s AQM solutions provide a unique combination of test capabilities which enable you to: ?Test infrastructure changes: Real Application Testing is designed and optimized for testing database tier infrastructure changes using r eal application workloads captured in production to validate database performance in your test environment. 11 Oracle White Paperââ¬âData Masking Best Practices ? Test application changes: Application Testing Suite helps you ensure application quality and performance with complete end-to-end application testing solutions that allow you to automate functional & regression testing, execute load tests and manage the test process.Oracleââ¬â¢s Comprehensive Solutions for Database Security Oracle provides a comprehensive portfolio of security solutions to ensure data privacy, protect against insider threats, and enable regulatory compliance. With Oracle's powerful privileged user and multifactor access control, data classification, transparent data encryption, auditing, monitoring, and data masking, customers can deploy reliable data security solutions that do not require any changes to existing applications, saving time and money. Customer Case StudiesCustomers have had a variety of business needs which drove their decision to adopt the Oracle Data Masking for their sensitive enterprise data. These benefits of using Oracle Data Masking were realized by a major global telecommunications products company that implemented the above methdology. Their database administrators (DBAs) had developed custom scripts to mask sensitive data in the test and development environments of their human resources (HR) application. As the company was growing and offering new services, their IT infrastructure was also growing thus placing an increased burden on their DBAs.By implementing Oracle Data Masking, the organization was able to use the role-based separation of duties to allow the HR analysts to define the security policies for masking sensitive data. The DBAs then automated the implementation of these masking policies when provisioning new test or development environments. Thus, the telecommunications company was able to allow business users to ensure compliance of their non-production environments while eliminating another manual task for the DBAs through automation. The need for data masking can come from internal compliance requirements.In the case of this UKbased government organization, the internal audit and compliance team had identified that the nonproduction copies of human resource management systems used for testing, development and reporting did not meet the established standards for privacy and confidentiality. In joint consultations with their IT service provider, the organization quickly identified the Oracle Data Masking as ideally suited to their business needs based on the fact that it was integrated with their day-to-day systems management operations provided by Oracle Enterprise Manager.Within a few weeks, the service provider deployed the mask definitions for their Oracle eBusiness Suite HR application and thereby rapidly brought the internal non-productions systems into compliance. There are organizations that have internally d eveloped data masking solutions that have discovered that custom scripts ultimately have their limits and are not able to scale up as enterprise data sets increase in volume. This Middle East-based real estate company found that their data masking scripts were running for several hours and were slowing down as data volumes increased.Due to the stringent requirement to create production copies available for testing within rapid time-frames, the company evaluated the Oracle Data Masking among other commercial solutions. Upon deploying the Oracle 12 Oracle White Paperââ¬âData Masking Best Practices Data Masking, they discovered that they were able to accelerate the masking time from 6 hours using their old scripts to 6 minutes using the Oracle Data Masking, an improvement of 60x in performance. ConclusionStaying compliant with policy and government regulations while sharing production data with nonproduction users has become a critical business imperative for all enterprises. Oracl e Data Masking is designed and optimized for todayââ¬â¢s high volume enterprise applications running on Oracle databases. Leveraging the power of Oracle Enterprise Manger to manage all enterprise databases and systems, Oracle Data Masking accelerates sensitive data identification and executes the masking process with a simple easy-to-use web interface that puts the power of masking in the hands of business users and administrators.Organizations that have implemented Oracle Data Masking to protect sensitive data in test and development environment have realized significant benefits in the following areas: ? Reducing Risk through Compliance: By protecting sensitive information when sharing production data with developers and testers, organizations have able to ensure that non -production databases have remained compliant with IT security policies while enabling developers to conduct production-class testing. ?Increasing Productivity through Automation: By automating the masking pro cess, organizations have been able to reduce the burden on DBAs who previously had to maintain manuallydeveloped masking scripts. 13 Data Masking Best Practices July 2010 Copyright à © 2010, Oracle and/or its affiliates. All rights reserved . This document is provided for information purposes only and the Author: Jagan R. Athreya contents hereof are subject to change without notice. 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Saturday, January 4, 2020
Analysis Of The Book Kindred - 1477 Words
Slavery started in the United States in 1619 and ended in 1865. During the time, the white people were harassing and threatening the slaves to work for them. If the slaves did anything wrong, then they would get beaten to death and get all bloody. In the novel Kindred, it shows a woman, named Dana, going back into the past to be part of the slave society and helping out a friend from the past. Since Dana is a black lady, she is forced to work and is treated like a normal slave is treated. As the story progresses, Dana sees how the world is messed up because of racism and how people treat each other. This novel brings to live the historical reality of American slavery by putting a character into the society of slaves and letting her find out how harsh it is to be a different race. As the years of slavery pass by, many slaves want to try to get rid of this horrid society. So they started to rebel. There were many ways that the slaves rebel and tried to get freedom. For example, a young slave named Henry Brown escaped his slave owners by shipping himself to another state where he can get help. According to records, after his wife and children had been shipped away, Brown wanted to leave slavery to run away from the society. With a help from a few friends, Brown was put into a box and was shipped from his hometown to Philadelphia. It took 27 tiresome hours until he came to his destination. During the trip, he was tossed and turned from side to side, no room in the box to moveShow MoreRelatedAnalysis Of The Book Kindred By Octavia Butler869 Words à |à 4 Pages Octavia Butler displays her brilliance as a writer by creating multiple, complex characters in the novel Kindred, characters who epitomize real people with hardships, passions, and transformations that reflect the strict regulations placed upon the Southern society in the early nineteenth century. 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