SQL Entrance Test MCQs – Mock Test 5

SQL Multiple Choice Questions with Answers – Test 5

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The MCQ: The output generated by boolean expression 'unknown or unknown' is "SQL MCQs" App (Android, iOS) with answers: false, true, null, and unknown for online computer classes. Solve sql questions and answers, Google Book to download free chapter for CS major.

SQL MCQ with Answers – Mock Test 5 PDF Download

MCQ 21: The output generated by the boolean expression 'unknown or unknown' is:

True
False
Unknown
Null

MCQ 22: The some and every aggregate function, is applicable over a collection of:

Null values
0s
1s
Boolean values

MCQ 23: The output generated by the boolean expression 'false or unknown' is:

Null
Unknown
True
False

MCQ 24: Over a join call, the default join type used is:

Inner join
Outer join
Left outer join
Right outer join

MCQ 25: In SQL using semicolon at the end of the commands is said to be:

Mandatory
Optional
Conditional
Built-In

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