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Database Systems Practice Test 250

Selection Operation in Query Processing MCQ (Multiple Choice Questions) PDF - 250

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Selection Operation in Query Processing Questions and Answers PDF Download: Quiz 250

MCQ 1246: Multiple records can be retrieved by using the

A) Secondary index
B) Primary index
C) Cluster index
D) Scrub index

MCQ 1247: All three forms of outer join compute the

A) Join
B) Intersection
C) Set difference
D) Unity

MCQ 1248: Once we have defined a view, we can use the view name to refer to the

A) View definition
B) Virtual relation
C) Virtual schema
D) View schema

MCQ 1249: Application programs are said to define physical data independence if they do not depend on the

A) Model schema
B) Subschema
C) Logical schema
D) Physical schema

MCQ 1250: A file containing diagnostic data used to investigate problems at administrative side is called

A) Trace log
B) Diagnosis log
C) Trace file
D) Diagnosis file

Database Systems Exam Prep Tests

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Selection Operation in Query Processing App (Android & iOS)

Selection Operation in Query Processing App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Networks App (Android & iOS)

Computer Networks App (Android & iOS)

Computer Architecture App (Android & iOS)

Computer Architecture App (Android & iOS)