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Query Processing MCQs: Questions and Answers PDF Download
An operation of relational algebra annotated with instructions on how to evaluate it is called an
- Execution plan
- Query plan
- Evaluation primitive
- Execution engine
The tasks involved in extracting some kind of data from a database known as
- Query processing
- Query management
- Query statement
- Query transaction
Before any processing on a query can begin, it must be
- Accessed
- Evaluated
- Optimized
- Translated
A sequence of primitive operations that can be used to evaluate a query is a
- Query-execution plan
- Query-evaluation plan
- Both A and B
- Query-execution engine
After the query plan is chosen, the query is
- Executed
- Evaluated
- Interpreted
- Implemented
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