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Reference : ODBC API and Scalar Functions : Scalar Functions
  

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Scalar Functions

This section lists the scalar functions that ODBC supports. Your database system may not support all these functions. Refer to the documentation for your database system to find out which functions are supported. Also, depending on the driver that you are using, all the scalar functions may not be supported. To check which scalar functions are supported by a driver, use the SQLGetInfo ODBC function.
You can use these scalar functions in SQL statements using the following syntax:
{fn scalar-function}
where scalar-function is one of the functions listed in the following tables. For example:
SELECT {fn UCASE(NAME)} FROM EMP
Table 16. Scalar Functions
String Functions
Numeric Functions
Timedate Functions
System Functions
ASCII
ABS
CURDATE
CURSESSIONID
BIT_LENGTH
ACOS
CURTIME
CURRENT_USER
CHAR
ASIN
DATEDIFF
DATABASE
CHAR_LENGTH
ATAN
DAYNAME
IDENTITY
CONCAT
ATAN2
DAYOFMONTH
USER
DIFFERENCE
BITAND
DAYOFWEEK
HEXTORAW
BITOR
DAYOFYEAR
INSERT
CEILING
EXTRACT
LCASE
COS
HOUR
LEFT
COT
MINUTE
LENGTH
DEGREES
MONTH
LOCATE
EXP
MONTHNAME
LOWER
FLOOR
NOW
LTRIM
LOG
QUARTER
OCTET_LENGTH
LOG10
SECOND
RAWTOHEX
MOD
WEEK
REPEAT
PI
YEAR
REPLACE
POWER
CURRENT_DATE
RIGHT
RADIANS
CURRENT_TIME
RTRIM
RAND
CURRENT_ TIMESTAMP
SOUNDEX
ROUND
SPACE
ROUNDMAGIC
SUBSTR
SIGN
SUBSTRING
SIN
UCASE
SQRT
UPPER
TAN
TRUNCATE
In this section: 
* String Functions
* Numeric Functions
* Date and Time Functions
* System Functions