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Introduction to SQL

Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

True
False

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

Oracle
Microsoft Access
DBase
SQL

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Introduction to SQL
SQL is:

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

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Introduction to SQL
What is the meaning of LIKE '%0%0%'

Feature has two 0's in it, at any position
Feature has more than two 0's
Feature begins with two 0's
Feature ends with two 0's

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Introduction to SQL
Data manipulation language (DML) commands are used to define a database, including creating, altering, and dropping tables and establishing constraints.

False
True

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Introduction to SQL
Scalar aggregate are multiple values returned from an SQL query that includes an aggregate function.

False
True

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