CONDITION CONTROL STATEMENTS

They are following condition control statements.

*IF-THEN STATEMENTS
*IF-THEN-ELSE STATEMENTS
*IF-THEN-ELSEIF STATEMENTS

IF-THEN STATEMENTS

SYNTAX:


 IF Condition Then
    sequence of statements
    END if;

IF-THEN-ELSE STATEMENTS

SYNTAX:


  IF Condition Then

        sequence of statements1
        ELSE

          sequence of statements;
      ENDIF;

IF-THEN-ELSEIF STATEMENTS

SYNTAX:


   IF Condition1 Then
            sequence of statements1
            ELSEIF condition2 THEN
              sequence of statements2;
          ELSE
            sequence_of_statements3;
            END if;