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Introduction to SQL

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
The SQL statement: SELECT Name, COUNT(*) FROM NAME_TABLE; counts the number of name rows and displays this total in a table with a single row and a single column.

True
False

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Introduction to SQL
ORDER BY can be combined with the SELECT statements.

False
True

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Introduction to SQL
When three or more AND and OR conditions are combined, it is easier to use the SQL keyword(s):

IN only.
LIKE only.
Both IN and NOT IN.
NOT IN only.

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

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

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Introduction to SQL
Which SQL keyword is used to retrieve only unique values?

DIFFERENT
DISTINCT
UNIQUE
DISTINCTIVE

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