Database Systems MCQs – Practice Test 47 (Chapter 1)

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Advanced SQL Quiz – Practice Test 47 PDF Download

MCQ 231: In the cross-tab, change in data results in an undesirable action for data storage, which is:

Adding rows only
Adding more columns
Removing rows
Removing columns

MCQ 232: A temporary view or simply view is expressed in terms of:

Itself
Attributes
Environment
Structure

MCQ 233: SQL permits specification to the user about the occurrence of the null values by the:

nulls begin and nulls end
nulls atomic and nulls end
nulls first and nulls last
start nulls and last nulls

MCQ 234: The SQLConnect call, takes the third parameter for the indication of:

Connection to user identifier
Identify position of attribute
Address of variable
Type conversion

MCQ 235: Relations of data cube are often very:

Small
Large
Simple
Complex

Advanced SQL Quiz App & e-Book – Database Systems Study Material

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