replace¶
This function is used to replace the part in a specified string that is the same as the string old with the string new and return the result.
If the string has no same characters as the string old, str is returned.
Syntax¶
replace(string <str>, string <old>, string <new>)
Parameters¶
Parameter | Mandatory | Type | Description |
|---|---|---|---|
str | Yes | STRING | String to be replaced |
old | Yes | STRING | String to be compared |
new | Yes | STRING | String after replacement |
Return Values¶
The return value is of the STRING type.
Note
If the value of any input parameter is NULL, NULL is returned.
Example Code¶
The value AA123AA is returned.
select replace('abc123abc','abc','AA');
The value NULL is returned.
select replace('abc123abc',null,'AA');