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dev:sql:functions:character_length [2011/01/23 23:09] els |
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| The CHARACTER_LENGTH function returns the number of characters in a string. The abbreviation, CHAR_LENGTH, is supported as a synonym for CHARACTER_LENGTH. | The CHARACTER_LENGTH function returns the number of characters in a string. The abbreviation, CHAR_LENGTH, is supported as a synonym for CHARACTER_LENGTH. | ||
| - | CHARACTER_LENGTH should not be confused with $DATA_LENGTH and $COLUMN_LENGTH. $DATA_LENGTH returns the number of characters plus the null-terminator for C STRING datatypes. $COLUMN_LENGTH returns the length of the column as declared in the table. | + | CHARACTER_LENGTH should not be confused with $DATA_LENGTH and $COLUMN_LENGTH. $DATA_LENGTH returns the number of characters plus the null-terminator for STRING datatypes. $COLUMN_LENGTH returns the length of the column as declared in the table. |
| This function returns an INTEGER datatype. | This function returns an INTEGER datatype. | ||