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Oracle/PLSQL: TRANSLATE Function

Learn how to use the Oracle/PLSQL TRANSLATE function with syntax and examples.


The Oracle/PLSQL TRANSLATE function replaces a sequence of characters in a string with another set of characters. However, it replaces a single character at a time.

For example, it will replace the 1st character in the string_to_replace with the 1st character in the replacement_string. Then it will replace the 2nd character in the string_to_replace with the 2nd character in the replacement_string, and so on.


The syntax for the Oracle/PLSQL TRANSLATE function is:

TRANSLATE( string1, string_to_replace, replacement_string )

Parameters or Arguments

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

The TRANSLATE function can be used in the following versions of Oracle/PLSQL:

  • Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i


Let's look at some Oracle TRANSLATE function examples and explore how to use the TRANSLATE function in Oracle/PLSQL.

For example:

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