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Database Systems Practice Test 358

Set Operations MCQ (Multiple Choice Questions) PDF - 358

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Set Operations Questions and Answers PDF Download: Quiz 358

MCQ 1786: If the where clause predicate evaluates to either false or unknown for a tuple, that tuple

A) Is added to result
B) Is not added to result
C) Is stored
D) Is sorted

MCQ 1787: Complex set of rules about when inserts, updates, and deletes can be executed on a view, was introduced in

A) SQL:1997
B) SQL:1998
C) SQL:1999
D) SQL:2000

MCQ 1788: Because data stored is in different formats, writing new application programs to retrieve the appropriate data is

A) Simple
B) Impossible
C) Dependent
D) Difficult

MCQ 1789: It is inconvenient to specify transitive closure using

A) Functions
B) Processes
C) Iteration
D) Temporary tables

MCQ 1790: Histograms can be computed using

A) Population
B) Average of data
C) Sampling
D) Hard data

Database Systems Exam Prep Tests

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Set Operations App (Android & iOS)

Set Operations App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Basics App (Android & iOS)

Computer Basics App (Android & iOS)

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Digital Logic Design App (Android & iOS)