I am now getting the following error:
MIN(DECODE(R.FEL_MIS_WT,'F',1,'W',2,'M',3)
*
ERROR at line 7:
ORA-00920: invalid relational operator
SELECT J.BOOK_ID, A.FEL_MIS_WT, J.BOOKDATE, A.ARRE_ID
FROM JMMAIN J, ARMAIN A
WHERE (J.BOOK_ID, DECODE(A.FEL_MIS_WT,'F',1,'W',2,'M',3)...