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Introduction to SQL

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

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

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

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

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Introduction to SQL
Count function in SQL returns the number of

distinct values.
values.
columns.
groups.

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Introduction to SQL
Which of the following is a valid SQL type?

NUMERIC
FLOAT
CHARACTER
All of these

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Introduction to SQL
Find all the cities whose humidity is 89

SELECT city FROM weather WHERE humidity = 89;
SELECT city WHERE humidity = 89;
SELECT humidity = 89 FROM weather;
SELECT city FROM weather;

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Introduction to SQL
The wildcard asterisk (*) is the SQL-92 standard for indicating "any sequence of characters."

True
False

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