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Database Management Systems Review
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Database Management Systems Review
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25 Questions

1. SET concept is used in :
2. Relational Algebra is
3. In an E-R diagram attributes are represented by
4. A file manipulation command that extracts some of the records from a file is called
5. The RDBMS terminology for a row is
6. The relational model feature is that there
7. A primary key is combined with a foreign key creates
8. A primary key if combined with a foreign key creates
9. The DBMS language component which can be embedded in a program is
10. Which of the following are the properties of entities?
11. Using Relational Algebra the query that finds customers, who have a balance of over 1000 is
12. The ______ operator is used to compare a value to a list of literals values that have been specified.
13. A relational database developer refers to a record as
14. The RDBMS terminology for a row is
15. Which of the operations constitute a basic set of operations for manipulating relational data?
16. In an E-R diagram attributes are represented by
17. Which of the following is a comparison operator in SQL?
18. Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is:
19. Relational calculus is a
20. In an E-R diagram an entity set is represent by a
21. Architecture of the database can be viewed as
22. The result of the UNION operation between R1 and R2 is a relation that includes
23. The language which has recently become the defacto standard for interfacing application programs with relational database system is
24. A data manipulation command the combines the records from one or more tables is called
25. What is a relationship called when it is maintained between two entities?

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