computer-science-database-systems Related Question Answers
1. After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
2. What is the language used by most of the DBMSs for helping their users to access data?
3. Data item characteristics that are important in data management include
4. In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
5. Periodically adding, changing and deleting file records is called file
6. Sort/report generators
7. The data dictionary tells the DBMS
8. In SQL, which command(s) is(are) used to enable/disable a database trigger?
9. If the record management system allows you to edit values before they are recorded on disk, you can
10. The relational model uses some unfamiliar terminology. A tuple is equivalent to a:
11. The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain?
12. Which command is used to remove an index from the database in SQL?
13. An-owner-member set in the CODASYL specifications may have
14. What is the name given to the database management system which is able to handle full text data, image data, audio and video?
15. A top-to-bottom relationship among the items in a database is established by a
16. A database management system
17. Which of the following hardware components is the most important to the operation of a database management system?
18. The PROJECT command will create new table that has
19. To have a file hold a list, it is necessary to
20. Sophisticated report generators can
21. In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.
22. Which two files are used during operation of the DBMS?
23. When using a database management system, the first thing that you must do is to
24. A network schema
25. Which of the following is not a relational database?
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