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Mohamad Eskandarane Questions
11022 Questions
State true or false: We can use Subqueries inside the from clause
Database
2022-07-13
Answers
30
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40
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926
The _________ construct returns true if the argument in the sub-query is void of duplicates
Database
2022-07-13
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30
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40
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581
What is a correlated sub-query?
Database
2022-07-13
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30
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40
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587
The ______ construct returns true if a given tuple is present in the subquery
Database
2022-07-13
Answers
30
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40
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2
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654
The ________ comparison checker is used to check “each and every” condition
Database
2022-07-13
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30
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40
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1539
What is the result of the following query?
Database
2022-07-13
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30
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40
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664
State true or false : Nested Subqueries cannot be used for comparing two different sets
Database
2022-07-13
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30
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40
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1
907
If a set is a collection of values given by the select clause, The ______ connective tests for set membership
Database
2022-07-13
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30
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40
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869
What is a subquery?
Database
2022-07-13
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30
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40
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633
What values does the count(*) function ignore?
Database
2022-07-13
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30
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40
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1
982
Which keyword is used to rename the resulting attribute after the application of the aggregation function?
Database
2022-07-13
Answers
30
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40
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936
State true or false: Any attribute which is present in the having clause without being aggregated must not be present in the group by clause
Database
2022-07-13
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30
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40
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976
The _____ aggregation operation adds up all the values of the attribute
Database
2022-07-13
Answers
30
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40
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30
0
1
942
Total:
11022
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