Hi All, when I try to run the query below, I get the following error...
ORA-00920: invalid relational operator
00920. 00000 - "invalid relational operator"
*Cause:
*Action:
Error at Line: 16 Column: 5
Does anyone know what's wrong with my query? thanks in advance.
SELECT concat (year,period)
FROM DD_ACTUALS_FACT
WHERE CASE Period
WHEN 'JAN' THEN '01'
WHEN 'FEB' THEN '02'
WHEN 'MAR' THEN '03'
WHEN 'APR' THEN '04'
WHEN 'MAY' THEN '05'
WHEN 'JUN' THEN '06'
WHEN 'JUL' THEN '07'
WHEN 'AUG' THEN '08'
WHEN 'SEP' THEN '09'
WHEN 'OCT' THEN '10'
WHEN 'NOV' THEN '11'
WHEN 'DEC' THEN '12'
END as "MonthNo"
ORDER BY CONCAT (year,"MonthNo") DESC