Database Development

True/False Questions for Unit 1 1. At its simplest, a knowledgebase provide be seen as a collection of relate data. 2. A de set uped commit is a file where the distance 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 kept illuminate from physical design. 6. A hierarchical database is designed with a tree-like difficult body part that resembles a file system. 7. Codd defined the nucleus principles of a comparative database in 1970. 8. Data redundancy improves the equity of a database. 9. In a diagram, crows feet bill conveys more education about the relationships. 10. A primary let out 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 apply by relational databases to do objects and to manipulate and retrieve data. 13. An entity is person who is interested in the database. 14. In a statement of scope, a constraint is a limit on what the database will do. 15. vaticinator 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 eventful to document both the design of the database and the process by which it was developed. 20. The most(prenominal) popular database in the in conclusion 30 age has been the relational database. Unit 1 fitting 1: grooming Student Answer Sheet STUDENT advert:_________________________________ oecumenical Instructions: To answer each question, dark en the batch alike to your answer using a ! pencil. If you decide to diversity your answer, revel erase your...If you want to get a ripe essay, gear up it on our website: OrderCustomPaper.com

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