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dev:sql:functions:abs [2010/07/04 02:15] tdo |
dev:sql:functions:abs [2010/07/09 03:54] els |
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| - | <html><div align="center"><span style="color:red">DRAFT</span></div></html> | ||
| - | ====== Omnidex SQL Function: ABS ====== | ||
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| + | ====== Omnidex SQL Function: ABS ====== | ||
| ===== Description ===== | ===== Description ===== | ||
| - | The ABS function returns the absolute value of column. The return data_type is the same as the data type of the numeric_expression. The numeric_expression can be a column_spec or a set of functions and operators that yield a numeric expression. | + | The ABS function returns the absolute value of column. |
| + | |||
| + | This function returns the same datatype as the passed parameter. | ||
| ===== Syntax ===== | ===== Syntax ===== | ||
| - | ABS(numeric-expression) | + | ABS( numeric_expression ) |
| + | |||
| + | == numeric_expression == | ||
| + | |||
| + | Required. Any expression that returns a numeric-class datatype. | ||
| ===== Examples ===== | ===== Examples ===== | ||
| - | select abs(col1) from trans_table; | + | |
| + | === Example 1: Column === | ||
| + | |||
| + | <code> | ||
| + | > select longitude, abs(longitude) from countries; | ||
| + | |||
| + | LONGITUDE ABS(LONGITUDE) | ||
| + | -------------------------------- -------------------------------- | ||
| + | -176.199997 176.199997 | ||
| + | -175.000000 175.000000 | ||
| + | -172.330002 172.330002 | ||
| + | -171.750000 171.750000 | ||
| + | -170.699997 170.699997 | ||
| + | -170.000000 170.000000 | ||
| + | -169.860001 169.860001 | ||
| + | </code> | ||
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