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Saturday, November 23, 2013

Database Development

True/False Questions for Unit 1 1. At its simplest, a knowledgebase provide be seen as a collection of link up data. 2. A de set uped commit is a file where the length of the file is limited. 3. A delimited file is one in which the data is withdrawd by a character such as a comma. 4. All fixed length files are of the furnish length. 5. In comparative databases, logical contrive is kept go against from physical design. 6. A hierarchical database is designed with a tree-like interwoven body part that resembles a file system. 7. Codd defined the shopping centre principles of a comparative database in 1970. 8. Data redundancy improves the righteousness of a database. 9. In a diagram, crows feet bank bill conveys more education about the relationships. 10. A primary make out uniquely identifies for each one row in a database table. 11. In a relational database, all data is kept in tables, even the information about the ta bles. 12. SQL is the language utilise by relational databases to do objects and to manipulate and retrieve data. 13. An entity is mortal who is interested in the database. 14. In a statement of scope, a constraint is a limit on what the database will do. 15. oracle is a popular relational database management system. 16.
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A relational database management system does not include tools for backing up and restoring databases. 17. Documentation is not an big part of database development. 18. In a statement of work, the objective subsection describes the purpose the new database is meant to serve. 19. It is grand to document b! oth the design of the database and the process by which it was developed. 20. The closely popular database in the in conclusion 30 historic period has been the relational database. Unit 1 fitting 1: grooming Student Answer Sheet STUDENT advert:_________________________________ normal Instructions: To answer each question, darken the batch check to your answer using a pencil. If you decide to diversity your answer, interest erase your...If you want to get a ripe essay, array it on our website: OrderCustomPaper.com

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