SQL Competitive Exam MCQs – Mock Test 30

SQL Database Interview Questions and Answers – Test 30

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echo $kyhdngend;

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Free "SQL Study" App Download: Aggregate function count of an empty collection is said to be; MCQ with answers: 0, always unity, unknown, and infinite. Study sql questions and answers, Google e-Book to download free chapter for computer science programs.

SQL MCQs with Answers – Mock Test 30 PDF Download

MCQ 146: The aggregate function count of an empty collection is said to be:

Always unity
0
Infinite
Unknown

MCQ 147: Statement used for identification of embedded SQL requesting to the preprocessor, is:

EmbedSQL
EXECSQL
SQLBegin
EXECSTART

MCQ 148: The logical connectives i.e. and, or, and not are permitted by the SQL to be defined at the clause:

Define clause
From clause
Where clause
Select clause

MCQ 149: Indication of cascading revocation can be expressed through the keyword:

Revoke
Cascade
Assign
Arrange

MCQ 150: The symbol ?*? is used to denote all the attributes in a relation, and is defined in the clause:

Select clause
Define clause
From clause
Where clause

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