Oracle TRANSLATE ... USING function

Last update on August 06 2024 13:16:16 (UTC/GMT +8 hours)

Description

The Oracle TRANSLATE ... USING converts character string into the character set specified for conversions between the database character set and the national character set.

Uses of Oracle TRANSLATE ... USING Function

Character Set Conversion: Convert a string from the database character set to the national character set.

Database Interoperability: Facilitate data exchange between different character sets in a multilingual database environment.

Data Migration: Assist in the migration of data between databases with different character set configurations.

String Manipulation: Enable manipulation of strings for applications that require specific character set formats.

Syntax:

TRANSLATE ( char USING
          { CHAR_CS | NCHAR_CS }
          )

Parameters:

Name	Description	Data Types
char	is the expression to be converted.
CHAR_CS	converts char into the database character set.	VARCHAR2
NCHAR_CS	converts char into the national character set.	NVARCHAR2

Examples: Oracle TRANSLATE_USING function

SQL> CREATE TABLE table_1 (char_col  CHAR(20),
  2                   nchar_col nchar(20));

Table created.

SQL> INSERT INTO table_1
  2    VALUES ('Hello', N'Welcome');

1 row created.

SQL> SELECT * FROM table_1;

CHAR_COL             NCHAR_COL
-------------------- --------------------
Hello                Welcome

SQL> UPDATE table_1 SET
  2    nchar_col = TRANSLATE(char_col USING NCHAR_CS);

1 row updated.

SQL> UPDATE table_1 SET
  2    char_col = TRANSLATE(nchar_col USING CHAR_CS);

1 row updated.

SQL> SELECT * FROM table_1;

CHAR_COL             NCHAR_COL
-------------------- --------------------
Hello                Hello

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