IF ELSE PL SQL code example

Example 1: oracle else if

IF condition1 THEN
   {...statements to execute when condition1 is TRUE...}

ELSIF condition2 THEN
   {...statements to execute when condition1 is FALSE and condition2 is TRUE...}

ELSE
   {...statements to execute when both condition1 and condition2 are FALSE...}

END IF;

Example 2: pl sql if else

DECLARE 
   a number(3) := 100; 
BEGIN 
   IF ( a = 10 ) THEN 
      dbms_output.put_line('Value of a is 10' ); 
   ELSIF ( a = 20 ) THEN 
      dbms_output.put_line('Value of a is 20' ); 
   ELSIF ( a = 30 ) THEN 
      dbms_output.put_line('Value of a is 30' ); 
   ELSE 
       dbms_output.put_line('None of the values is matching'); 
   END IF; 
   dbms_output.put_line('Exact value of a is: '|| a );  
END; 
/

Example 3: if else sql

IF Boolean_expression
BEGIN
    -- Statement block executes when the Boolean expression is TRUE
END
ELSE
BEGIN
    -- Statement block executes when the Boolean expression is FALSE
END