Comparison of CHAR with VARCHAR2 (Test the strings for equality)

   
SQL> -- Comparison of CHAR with VARCHAR2.
SQL>
SQL> SET SERVEROUTPUT ON
SQL> SET ECHO ON
SQL>
SQL> DECLARE
  2    employee_name_c CHAR(32);
  3    employee_name_v VARCHAR2(32);
  4  BEGIN
  5    -- Assign the same value to each string.
  6    employee_name_c := 'String';
  7    employee_name_v := 'String';
  8
  9    -- Test the strings for equality.
 10    IF employee_name_c = employee_name_v THEN
 11       DBMS_OUTPUT.PUT_LINE('The names are the same');
 12    ELSE
 13       DBMS_OUTPUT.PUT_LINE('The names are NOT the same');
 14    END IF;
 15  END;
 16  /
The names are NOT the same

PL/SQL procedure successfully completed.

SQL>

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Comparison of CHAR with VARCHAR2 (Test the strings for equality) : VARCHAR2 « Data Type « Oracle PL / SQL

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