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Introduction to SQL

Introduction to SQL
Which of the following join is also called as an 'inner-join'?

None of these
Self-Join
Equijoin
Non-Equijoin

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Introduction to SQL
SQL is:

a data sublanguage.
a programming language.
a DBMS.
an operating system.

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Introduction to SQL
What is the full form of SQL?

None of these
Structured Query Language
Structured Query List
Simple Query Language

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Introduction to SQL
Which of the following is a SQL aggregate function?

LEN
LEFT
JOIN
AVG

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Introduction to SQL
A dynamic view is one whose contents materialize when referenced.

False
True

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Introduction to SQL
Which command undo all the updates performed by the SQL in the transaction?

DELETE
ROLLBACK
TRUNCATE
COMMIT

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