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Introduction to SQL

Introduction to SQL
Which of the following SQL commands is used to retrieve data?

INSERT
JOIN
DELETE
SELECT

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Introduction to SQL
The format SELECT-FROM-WHERE is the fundamental framework of SQL SELECT statements.

True
False

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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):

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

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Introduction to SQL
The HAVING clause acts like a WHERE clause, but it identifies groups that meet a criterion, rather than rows.

True
False

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Introduction to SQL
To sort the results of a query use:

ORDER BY.
GROUP BY.
None of these
SORT BY.

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

DIFFERENT
DISTINCTIVE
UNIQUE
DISTINCT

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