translate 使用

translate( string1, string_to_replace, replacement_string )

string1 is the string to replace a sequence of characters with another set of characters.

string_to_replace is the string that will be searched for in string1.

replacement_string - All characters in the string_to_replace will be replaced with the corresponding character in the replacement_string.

Applies To:
* Oracle 8i, Oracle 9i, Oracle 10g, Oracle 11g

For example:
translate(''1tech23'', ''123'', ''456); would return ''4tech56''
translate(''222tech, ''2ec'', ''3it''); would return ''333tith''