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oracle匯總求和 oracle多條件求和請(qǐng)教?

oracle多條件求和請(qǐng)教?sum(case when TSICOD u3 “01”then amtextax else 0 end)as classification 2from tabnamegr

oracle多條件求和請(qǐng)教?

sum(case when TSICOD u3 “01”then amtextax else 0 end)as classification 2

from tabname

group by day

選擇T.*,sum(統(tǒng)計(jì)字段名)over(按分組字段1劃分),sum(統(tǒng)計(jì)字段名)over(按分組字段2劃分),sum(統(tǒng)計(jì)字段名)over(按字段3分組),。。。和(統(tǒng)計(jì)字段名)在(分組字段n)上