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Modification of Database Questions and Answers PDF Download eBook
MCQ: Instead of specifying a set of tuples, we can also use the
- Select
- Group by
- Having
- Like
A
MCQ: For updates, the trigger can specify attributes whose update causes the trigger to
- Initiated
- Evaluate
- Execute
- Prioritize
C
MCQ: The security and authorization information for each relation, is overlooked by
- SQL DDL
- SQL DML
- Authorization control
- View definition
A
MCQ: A query can usually be translated into any of a number of evaluation plan, that all give
- Same results
- Different results
- Dependent results
- Interchanging results
A
MCQ: It is customary to list the primary key attributes of a
- Relation schema
- Relation instance
- Relation tuple
- Relation attribute
A