The TO_CHAR() function converts the expression into character data. : TO_CHAR « Conversion Functions « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Conversion Functions
  3. TO_CHAR

The TO_CHAR() function converts the expression into character data.

   

Syntax: TO_CHAR(<expression> [,[FORMAT] [,NLS_PARAM]] )
SQL>
SQL> SELECT
  2     LENGTHB(NCHR(216))  national,
  3     LENGTHB(TO_CHAR(NCHR(216))) converted
  4  FROM dual;

  NATIONAL  CONVERTED
---------- ----------
         2          1








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