Database Systems Competitive Exam MCQs – Practice Test 13 (Chapter 21)

SQL Concepts and Queries Multiple Choice Questions and Answers PDF – Test 13

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Free SQL Concepts and Queries MCQs App Download: Specification that prohibits the insertion of a null value for the attribute, is called; MCQ with answers: null value, like null value, not null value, and as null value. Solve Database Users and Administrators Quiz Questions, download Google e-Book (Free Chapter) for cloud DBMS systems.

SQL Concepts and Queries MCQs with Answers PDF Download – Test 13

MCQ 61: None of the widely used database systems supports subqueries in the:

Valid clause
Check clause
Like clause
Having clause

MCQ 62: The specification that prohibits the insertion of a null value for the attribute, is called:

Like Null value
Null value
Not Null value
AS Null value

MCQ 63: Foreign keys can be specified as part of the SQL:

Select table statement
Define table statement
Create table statement
Modify table statement

MCQ 64: Wherever a view relation appears in a query, it is replaced by the stored:

View expression
View expression
Query expression
Query definition

MCQ 65: The join preserves tuples only in the relation named before the left outer join operation, is to be:

Left outer join
Left inner join
Right inner join
Right outer join

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