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Java Database Connectivity (JDBC) Questions and Answers PDF Download eBook
MCQ: The declarations of the application programs are part of the
- SQL DML statements
- SQL DTL statements
- SQL DCL statements
- SQL DDL statements
D
MCQ: A search key containing more than one attribute is referred to as a
- Compound search key
- Composite search key
- Grouped search key
- Hashed search key
B
MCQ: The data definition and manipulation languages form parts of a
- Single database
- 2 Databases
- Multiple database
- Joint databases
A
MCQ: The two performance metrics i.e. throughput and response time are
- Equivalent
- Not equivalent
- Dependent
- Complex
B
MCQ: The number of block transfers from disk and the number of disk seeks are used to estimate the cost of
- Query-execution plan
- Query-evaluation plan
- Query-processing plan
- Query-implementing plan
B