Q. When does the predicate is null succeed?

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Q. Using the _______ clause retains only one copy of identical tuples

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Q. Which of the following correctly describes the between predicate in the where clause?

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Q. Which of the following is not a built in aggregate function in SQL?

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Q. State true or false: SQL does not permit distinct with count(*)

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Q. We apply the aggregate function to a group of sets of tuples using the _______ clause.

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Q. The _____ aggregation operation adds up all the values of the attribute

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Q. 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.

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Q. State true or false: We can rename the resulting attribute after the aggregation function has been applied

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Q. Which keyword is used to rename the resulting attribute after the application of the aggregation function?

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Q. What values does the count(*) function ignore?

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Q. What is a subquery?

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Q. If a set is a collection of values given by the select clause, The ______ connective tests for set membership

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Q. State true or false : Nested Subqueries cannot be used for comparing two different sets

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Q. The ________ comparison checker is used to check “each and every” condition

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Q. The ______ construct returns true if a given tuple is present in the subquery.

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Q. What is a correlated sub-query?

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Q. The _________ construct returns true if the argument in the sub-query is void of duplicates

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Q. State true or false: We can use Subqueries inside the from clause

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Q. SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called _________

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