SQL performing slow
Below is one of the sql performing slow in 10.2.0.5 database on HP-UX 11.31.
SELECT
T0.DATA_DT||','||
T0.FCT_CD||','||
DECODE(T0.WHSL_CD,'DMY',T0.CLS1,NVL(M2.CLS1,'ZZZZZZ'))||','||
DECODE(T0.WHSL_CD,'DMY',T0.CLS4,NVL(M2.CLS4,'ZZZ'))||','||
M1.PRDCT_CD1||','||
T0.PRDCT_CD3||','||
TO_CHAR(SUM(T0.SPLY_RST_QTY))||','||
TO_CHAR(SUM(T0.SPLY_RST_AMT))||','||
TO_CHAR(SUM(T0.SIKIRI_AMT))||','||
TO_CHAR(SUM(T0.MED_AMT))||','||
TO_CHAR(SUM(T0.CNV_QTY2))||','||