Reference Guide > TDV Support for SQL Functions > Character Functions > OVERLAYB
 
OVERLAYB
Replaces part of a string with another string and returns the new string as an octet value.
Syntax
OVERLAYB ( input‑string, replace‑string, position [, extent ] )
Example
SELECT OVERLAYB('ABCDEFG', 'xxx', 2);
Returns: AxxxEFG