| Function | usage |
| AVG(expression) | Computes the average value of a column by the expression |
| COUNT(expression) | Counts the rows defined by the expression |
| MIN(expression) | Finds the minimum value In a column by the expression |
| MAX(expression) | Finds the maximum value in a column by the expression |
| SUM(expression) | Computes the sum of column values by the expression |
Sunday, 9 October 2011
SQL- Aggregate Functions
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