Database Systems MCQs - Chapter 21

SQL Concepts and Queries Multiple Choice Questions (MCQ) PDF - 6

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SQL Concepts and Queries Questions & Answers PDF Download: MCQ Quiz 6

MCQ 26: To saving changes to a document that is being edited, is similar to the

Trace work
Transmit work
Rollback work
Commit work

MCQ 27: When a view is defined, we can use the view name to refer to the virtual relation that is generated by

Relation
Query
View
Schema

MCQ 28: The SQL standard allows a clause initially deferred to be added to a

Uniqueness specification
Atomicity specification
Constraint specification
Isolation specification

MCQ 29: The materialized view can be used to answer the query

Quickly
Avoid learning underlying relations
Both A and B
Simple and plain

MCQ 30: By default, in SQL a foreign key references the primary-key attributes of the

Referencing table
Referenced table
Primary table
Both the tables

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