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Chapter 21: Database Systems Exam Tests

Database Systems MCQs - Chapter 21

SQL Concepts and Queries Quiz Questions and Answers PDF - 7

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The Quiz: In rollback work, the database state is; "SQL Concepts and Queries" App Download iOS & Android (Free) with answers constant, modified, restored and mismanaged to study online courses. Study database transactions quiz questions, download Amazon eBook (Free Sample) for top online computer science programs.

SQL Concepts and Queries Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: In rollback work, the database state is

A) Modified
B) Constant
C) Restored
D) Mismanaged

MCQ 32: A view is updatable, if any attribute not listed in the select clause can be set to null and it does not have a constraint of

A) Unknown
B) Not Null
C) Null
D) Union

MCQ 33: Virtual relation is computed by executing the query whenever the virtual relation is

A) Used
B) Called
C) Compiled
D) Stored

MCQ 34: If a tuple inserted into the view does not satisfy the view's where clause condition, the insertion is

A) Inserted
B) Queued
C) Stored
D) Rejected

MCQ 35: We define a view in SQL by using the command

A) Select view
B) Create view
C) Define view
D) Draw view

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SQL Concepts and Queries App (Android & iOS)

SQL Concepts and Queries App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

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Operating Systems App (Android & iOS)

DBMS App (Android & iOS)

DBMS App (Android & iOS)