SQL WHERE ELSE code example
Example 1: sql if else
-- PL/SQL
BEGIN
IF my_val = 1 THEN [...]
ELSE [...]
END IF;
END;
-- In a query (DUAL is for Oracle)
SELECT CASE WHEN my_col = 1 THEN 'Ok' ELSE 'Ko' END AS my_result
FROM DUAL;
Example 2: SQL IF ELSE
SELECT CASE
WHEN A + B > C AND B + C > A AND A + C > B THEN
CASE
WHEN A = B AND B = C THEN 'Equilateral'
WHEN A = B OR B = C OR A = C THEN 'Isosceles'
ELSE 'Scalene'
END
ELSE 'Not A Triangle'
END
FROM TRIANGLES;