Database Development

True/False Questions for Unit 1 1. At its simplest, a knowledgebase provide be seen as a collection of think data. 2. A de set uped commit is a file where the continuance 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 invariant length. 5. In comparative databases, logical contrive is unplowed split up from physical design. 6. A hierarchical database is designed with a tree-like compound body part that resembles a file system. 7. Codd defined the hollow principles of a comparative database in 1970. 8. Data redundancy improves the justice of a database. 9. In a diagram, crows feet notational system conveys more education about the relationships. 10. A primary make uniquely identifies for each one row in a database table. 11. In a relative database, all data is kept in tables, even the information about the tables. 12. SQL is the language use by relational databases to do objects and to manipulate and retrieve data. 13. An entity is soul who is interested in the database. 14. In a statement of scope, a constraint is a limit on what the database will do. 15. visionary is a popular relational database management system. 16.

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 great to document both the desi! gn of the database and the process by which it was developed. 20. The just about popular database in the in conclusion 30 geezerhood has been the relational database. Unit 1 fitting 1: grooming Student Answer Sheet STUDENT advert:_________________________________ usual Instructions: To answer each question, darken the batch alike(p) to your answer using a pencil. If you decide to diversity your answer, enliven erase your...If you want to get a ripe essay, drift it on our website: OrderCustomPaper.com

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