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"SQL supports basic set operations on relations that includes", modification of database Multiple Choice Questions (MCQ) with choices intersect, union, except, and all of the above to learn online certification courses. Learn sql interview questions and answers questions and answers with free online certification courses for computer science programs.
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MCQ: SQL supports basic set operations on relations that includes
- Union
- Intersect
- Except
- All of the above
D
MCQ: Since duplicate retention is the default, we shall not use
- Distinct
- All
- Describe
- Whole
B
MCQ: The command to delete the relation is
- Delete from *example*
- Delete about *example*
- Abort from *example*
- Abort about *example*
A
MCQ: A special character, can be used to delimit the different attributes of a record, such as
- Question mark
- new-line character
- curly braces
- Comma
D
MCQ: Indices whose search key formation is different from the sequential order of the file, are known to be
- Non-clustering indices
- Secondary indices
- Primary indices
- Both A and B
D