求该句SQL的优化。单表。
SELECT fazhudanhao, changjiadaima, 'RMB ' AS Expr1, SUM(waixiejine) AS JE, xuanzezhe,
waixieriqi
FROM AC09
WHERE (waixieriqi > = '2007/08/28 ') AND (changjiadaima <> ' ') AND (jiesuanbiaoshi = 'Y ')
AND (changjiadaima = 'GA00130 ') AND (waizhuqufen IN ( 'A,
'B))
GROUP BY fazhudanhao, changjiadaima, xuanzezhe, waixieriqi
[解决办法]
SELECT fazhudanhao, changjiadaima, 'RMB ' AS Expr1, SUM(waixiejine) AS JE, xuanzezhe,
waixieriqi
FROM AC09
WHERE jiesuanbiaoshi = 'Y ' AND changjiadaima = 'GA00130 ' AND (waizhuqufen= 'A ' or waizhuqufen= 'B ') AND (waixieriqi > = '2007/08/28 ') AND (changjiadaima <> ' ')
GROUP BY fazhudanhao, changjiadaima, xuanzezhe, waixieriqi