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Absolute Database supports the following string functions:
Function
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Description
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LOWER
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Converts string to lower case
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UPPER
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Converts string to upper case
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SUBSTRING
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Extracts substring
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POS
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Location of specified substring
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LENGTH
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Number of characters in string
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LTRIM
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Returns the string with leading space characters removed
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RTRIM
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Returns the string with trailing space characters removed
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TRIM
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Returns the string with leading and trailing space characters removed
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LOWER (string_exp)
Returns a string equal to that in string_exp with all uppercase characters converted to lowercase.
Example:
UPPER (string_exp)
Returns a string equal to that in string_exp with all lowercase characters converted to uppercase.
Example:
SUBSTRING (string_exp, start [, length])
Returns a character string that is derived from string_exp beginning at the character position specified by start for length characters.
Example:
| SUBSTRING("ABCDE", 4, 2) returns DE
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POS (substring_exp, string_exp)
Returns the position of the first character expression in the second character expression.
Example:
| POSITION('CDE','ABCDEFG') returns 3
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LENGTH (string_exp)
Returns the number of characters in string_exp.
Example:
| LENGTH('ABCEDFG') returns 7
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LTRIM (string_exp)
Returns the characters of string_exp, with leading blanks removed.
Example:
| LTRIM(' Tom') returns Tom
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RTRIM (string_exp)
Returns the characters of string_exp, with trailing blanks removed.
Example:
| RTRIM('Tom ') returns Tom
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TRIM (string_exp)
Returns the characters of string_exp with leading and trailing space characters removed.
Example:
| TRIM(' Tom ') returns Tom
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