SELECT A.IND_CODE,SUM(IN_SELLNUM_Y_A)/50000 AS IN_SELLNUM_Y_A,SUM(IN_SELLNUM)/50000 AS IN_SELLNUM,SUM(IN_SELLNUM_P)/50000 AS IN_SELLNUM_P,SUM(IN_SELLNUM_L)/50000 AS IN_SELLNUM_LFROM DM_P_IND_TJIN_Y_Q_M_ALL A INNER JOIN DIM_CIG_BASE BON A.CIG_ID=B.C_C...
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A.IND_CODE
,SUM(IN_SELLNUM_Y_A)/50000 AS IN_SELLNUM_Y_A
,SUM(IN_SELLNUM)/50000 AS IN_SELLNUM
,SUM(IN_SELLNUM_P)/50000 AS IN_SELLNUM_P
,SUM(IN_SELLNUM_L)/50000 AS IN_SELLNUM_L
FROM DM_P_IND_TJIN_Y_Q_M_ALL A
INNER JOIN DIM_CIG_BASE B
ON A.CIG_ID=B.C_CIG
AND B.IS_CIGA='0'
AND B.CIG_IMPORTFLAG IN('0','3')
AND B.CIG_PRODUCTTYPE NOT IN ('05','06')
WHERE A.YM=201405 GROUP BY A.IND_CODE
其中，DM_P_IND_TJIN_Y_Q_M_ALL 表中的数据有200W ，DIM_CIG_BASE表中数据量有1W， 现在查询速度大致在15秒左右，我想请教下在这2个表中如何建索引 才能使查询速度更快，sql还能优化吗？
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