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Questions and Answers
What type of join is needed when you wish to include rows that do not have matching values?
What type of join is needed when you wish to include rows that do not have matching values?
- All of the Mentioned
- Equi-join
- Natural join
- Outer join (correct)
Which keyword is used to rename the resulting attribute after the application of the aggregation function?
Which keyword is used to rename the resulting attribute after the application of the aggregation function?
- rename
- replace
- as (correct)
- to
We can test for the nonexistence of tuples in a subquery by using the _____ construct.
We can test for the nonexistence of tuples in a subquery by using the _____ construct.
- Exist
- Not exists (correct)
- Exists
- Not exist
The ________ comparison checker is used to check 'each and every' condition.
The ________ comparison checker is used to check 'each and every' condition.
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