Bitmap Indices Trivia Questions and Answers PDF Download eBook p. 374
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Bitmap Indices Questions and Answers PDF Download eBook
MCQ: The Lookup operation incase of any updation on B+ trees is
- Complex
- Inefficient
- Efficient
- Easy/plain
C
MCQ: Files are logically partitioned into storage units of fixed-length known as
- Sectors
- Tracks
- Segments
- Blocks
D
MCQ: It is possible that several distinct sets of attributes could serve as a
- Superset key
- Super key
- Unique key
- Candidate key
D
MCQ: JDBC can create an updatable result set from a query on a database relation that performs a
- Selection
- Projection
- Both A and B
- Pattern
C
MCQ: The clause that provides a way of defining a temporary relation whose definition is available only to the query in which that clause occurs, is said to be
- Select clause
- Group by clause
- Having clause
- With clause
D