how to convert HH12:MI AM into HH24:MI:SS
CREATE TABLE SHIFTS (SHIFTCODE VARCHAR2(10),SHIFTTIME VARCHAR2(20));
INSERT INTO SHIFTS VALUES ('EG','06:00 AM');
INSERT INTO SHIFTS VALUES ('GA','01:00 PM');
INSERT INTO SHIFTS VALUES ('GE','05:00 PM');
Now I want to get the shift time as 06:00:00,13:00:00 and 17:00:00
I have tried like this select to_char(shifttime,'HH24:MI:SS') FROM SHIFTS;
But I am getting error invalid number
Please help me