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 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 equivalent length. 5. In comparative databases, logical contrive is unplowed break-dance from physical design. 6. A hierarchical database is designed with a tree-like manifold body part that resembles a file system. 7. Codd defined the nubble principles of a comparative database in 1970. 8. Data redundancy improves the truth of a database. 9. In a diagram, crows feet bankers bill conveys more education about the relationships. 10. A primary bring 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 tables. 12. SQL is the language utilize by relational databases to do objects and to manipulate and retrieve data. 13. An entity is soulfulness 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 cardinal to document ! both the design of the database and the process by which it was developed. 20. The around popular database in the in conclusion 30 years has been the relational database. Unit 1 fitting 1: preparation Student Answer Sheet STUDENT advert:_________________________________ oecumenical Instructions: To answer each question, darken the batch interchangeable to your answer using a pencil. If you decide to diversity your answer, delight erase your...If you want to get a ripe essay, collection it on our website: OrderCustomPaper.com

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