Term: TRIM

Definition:
The Oracle TRIM function removes leading and trailing spaces from a string or column. Space characters are the default, but you can also specify the character(s) to be removed. Characters can be specified as literals ('A', 'm', etc) or by their CHR equivalents: 'CHR(112)', 'CHR(68)'.

The TRIM function returns a value with datatype VARCHAR2.

Example (Default) Syntax:

TRIM();

Example Syntax for specifying a literal character:

SELECT TRIM('Z' FROM 'Zebra') FROM dual;

Example Syntax for specifying a character by its CHR() value:

SELECT TRIM(CHR(90) FROM 'Zebra') FROM dual;

Also See:
Definition & Examples: LTRIM LTRIM (Left Trim) Function
Definition & Examples: RTRIM (Right Trim) Function

Related Links:

Related Code Snippets:

String Functions: RTRIM - The rtrim function removes all specified characters from the right-hand ...
String Functions: LTRIM - The ltrim function removes all specified characters from the left-hand s...