IF

Translation reference for IF structure

Description

The IF statement either runs or skips a sequence of one or more statements, depending on the value of a BOOLEAN expression. For more information regarding Oracle IF, check here.

IF boolean_expression THEN 
    statement 
    [ statement ]...
[ 
ELSIF boolean_expression THEN 
    statement 
    [ statement ]... ]...
   [ 
ELSE 
statement [ statement ]... ] END IF ;
IF ( <condition> ) THEN
    <statement>;
    [ <statement>; ... ]
[
ELSEIF ( <condition> ) THEN
    <statement>;
    [ <statement>; ... ]
]
[
ELSE
    <statement>;
    [ <statement>; ... ]
]
END IF;

Sample Source Patterns

Sample auxiliar table

CREATE TABLE if_table(col1 varchar(30));

Possible IF variations

Oracle

IN -> Oracle_01.sql
CREATE OR REPLACE PROCEDURE ifExample1 ( flag NUMBER )
IS
BEGIN
    IF flag = 1 THEN
        INSERT INTO if_table(col1) VALUES ('one');
    END IF;
END;

CALL ifExample1(1);
SELECT * FROM if_table;
|COL1|
|----|
|one |