SQL MCQs – Mock Test 22

SQL Query Interview Questions and Answers – Test 22

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Download the "SQL Quiz" App (iOS & Android): In SQL, relations cannot define a null value for a; MCQ with answers: foreign key attribute, primary key attribute, not unique key attribute, and candidate key attribute. Practice sql questions and answers, Apple iBook to download free chapter for online computer classes.

SQL Quiz with Answers PDF Download – Mock Test 22

MCQ 106: In SQL, relations cannot define a null value for a:

Primary key attribute
Foreign key attribute
Candidate key attribute
Not unique key attribute

MCQ 107: The idea of SQL was initially proposed by:

IBM
Oracle
Microsoft
TeraData

MCQ 108: Integrity constraints are identifiable as part of the database:

Schema definition phase
Schema design phase
Schema implementation phase
Schema test phase

MCQ 109: Computing duplicates is considered mandatory while using the aggregate function of:

Average
Min
Min
Count

MCQ 110: A role associated with a session can be set by commanding:

set role
define role
describe role
grant role

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