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Introduction to SQL

Introduction to SQL
Which SQL statement is used to delete data FROM a database?

DELETE
ALTER
REMOVE
COLLAPSE

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

True
False

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Introduction to SQL
............. joins two or more tables based on a specified column value not equaling a specified column value in another table.

NON-EQUIJOIN
NATURAL JOIN
EQUIJOIN
OUTER JOIN

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Introduction to SQL
'AS' clause is used in SQL for

Projection operation.
Selection operation.
Rename operation.
Join operation.

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Introduction to SQL
SQL is a data sublanguage.

True
False

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Introduction to SQL
________ was adopted as a national standard by ANSI in 1992.

Microsoft Access
Oracle
SQL
DBase

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