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Database

PT 2520 Unit 10

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PT2520 Unit 9 Clarence Gross 3/2/13 Threat analysis is about identifying all the ways the database can be harmed. True Accidental threats are as great a danger to a database as intentional ones. True A policy is a set of step by step instructions for accomplishing a task. False A procedure is a set of rules for how to do things. False A disaster recovery plan is a plan for how to recover data and availability after any of various disasters. True A stored procedure is one or more SQL statements grouped to be executed together. True Stored procedures can be used to enforce business rules and make transactions such as updates safer. True The syntax for stored procedures is the same in any database management system. False

PT 2520 Unit 9

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Jamel Travis 11/17/2012 Homework 9 Threat analysis is about identifying all the ways the database can be harmed. True Accidental threats are as great a danger to a database as intentional ones. True A policy is a set of step by step instructions for accomplishing a task. False A procedure is a set of rules for how to do things. False A disaster recovery plan is a plan for how to recover data and availability after any of various disasters. True A stored procedure is one or more SQL statements grouped to be executed together. True Stored procedures can be used to enforce business rules and make transactions such as updates safer. True The syntax for stored procedures is the same in any database management system. False

PT 2520 Unit 2

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NT 2520 Unit 2 Clarence Gross 1/2/13 A requirement is something a database needs to do in order to fulfill its purpose. True You only need to include the most important stakeholders in the database discussions. True Forms are used for gathering input. True A transaction database is optimized to track transactions in real time. True Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses. True The domain is the focus of knowledge area of a database. True Interviews are good for asking open ended questions. True Open ended question are questions that don?t have fixed answers. True Questionnaires are good for asking open ended questions. False

PT 2520 Unit 1

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PT 2520 Unit 1 Homework Clarence Gross 12/22/12 At its simplest, a database can be seen as a collection of related data. True A delimited file is a file where the length of the file is limited. False A delimited file is one in which the data is separated by a character such as a comma. True All fixed length files are of the same length. True In relational database, logic design is kept separate from physical design. True A hierarchical database is designed with a tree-like structure that resembles a file system. True Codd defined the core principles of a relational database in 1970 True Data redundancy improves the integrity of a database. False In a diagram, crows feet notation conveys more information about the relationships. True
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