正版的MySQL要多少钱

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selecti.uid,sum(ifnull(deposit,0)+ifnull(ddeposit,0)+ifnull(money,0))asallmoney

frompw_memberinfoileftjoinpw_membersmonm.uid=i.uidleftjoinpw_memberdatadoni.uid=d.uid

whereifnull(deposit,0)+ifnull(ddeposit,0)+ifnull(money,0)>2000

FLOAT[(M,D)] [UNSIGNED] [ZEROFILL]

M是小数总位数，D是小数点后面的位数

DOUBLE[(M,D)] [UNSIGNED] [ZEROFILL]

M是小数总位数，D是小数点后面的位数

DECIMAL[(M[,D])] [UNSIGNED] [ZEROFILL]

M是整数位 D是小数位数

后面参参数可先

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