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dev:sql:functions:trim [2010/07/08 21:02] els |
dev:sql:functions:trim [2010/07/09 03:31] els |
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| ===== Description ===== | ===== Description ===== | ||
| The TRIM function removes any leading and/or trailing pad characters from a string. The pad character is a single character and defaults to a space character. | The TRIM function removes any leading and/or trailing pad characters from a string. The pad character is a single character and defaults to a space character. | ||
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| + | This function returns a C STRING datatype. | ||
| ===== Syntax ===== | ===== Syntax ===== | ||
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| ===== Examples ===== | ===== Examples ===== | ||
| - | ==== Example 1 ==== | + | ==== Example 1: Column ==== |
| - | <code SQL> | + | <code> |
| > select trim(name) from individuals; | > select trim(name) from individuals; | ||
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| KATHLEEN TUCKER | KATHLEEN TUCKER | ||
| </code> | </code> | ||
| - | ==== Example 2 ==== | + | ==== Example 2: Column with LEADING ==== |
| - | <code SQL> | + | <code> |
| > select individual, trim(leading '0' from individual) ind from individuals; | > select individual, trim(leading '0' from individual) ind from individuals; | ||
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| 000900240828 900240828 | 000900240828 900240828 | ||
| </code> | </code> | ||
| - | ==== Example 3 ==== | + | ==== Example 3: Complex expression ==== |
| The following complex example creates a string containing the name and an optional email. | The following complex example creates a string containing the name and an optional email. | ||
| - | <code SQL> | + | <code> |
| > Select (((trim($proper(NAME)) || | > Select (((trim($proper(NAME)) || | ||
| >> case | >> case | ||