Free computer quiz Online Test - MeritNotes

No. of Questions :10

Remaining Time :

1. The most popular commercial DBMS is

2. In E-R diagram, relationship is represented by

3. A _____ consists of a collection of interrelated data and a collection of programs to access that data.

4. Which of the following is a set of one or more attributes taken collectively to uniquely identify a record?

5. The most commonly used operation in relational algebra for projecting a set of tuple from a relation is

6. The _____ operation allows the combining of two relations by merging pairs of tubles, one from each relation, into a single tuple.

7. A _____ is an abstract model that describes how the data are organised and represented.

8. The feature that database allows to access only certain records in database is

9. _____ describe what is in database fields.

10. The ____ provides a set of operations that take one or more relations as input and return a relation as an output.

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