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SQL Functions

SQL Avg

November 2, 2011August 2, 2010 by admin

The SQL Avg() function returns the average value of a numeric column.

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SQL Min

November 3, 2011August 1, 2010 by admin

The SQL Min() function returns the smallest value of an expression.

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SQL Max

November 3, 2011July 31, 2010 by admin

The SQL Max() function returns the largest value of an expression.

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SQL SELECT COUNT

November 5, 2011June 16, 2010 by admin

The SQL COUNT function returns the number of rows in a query. NULL value will not be counted.

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