刪除sql相同記錄的命令格式
來源:譽澄智能 2014/11/20 12:07:46??????點擊:
elete YC_DispHis_Rec_tmp SELECT * INTO YC_DispHis_Rec_tmp FROM YC_DispHis_Rec WHERE (1 = 2) insert into YC_DispHis_Rec_tmp Select * from YC_DispHis_Rec SELECT * FROM YC_DispHis_Rec WHERE (申請人員 = '王擎123') DELETE FROM YC_DispHis_Rec WHERE (id NOT IN (SELECT MAX(ID) FROM YC_DispHis_Rec GROUP BY 派車編號)) DELETE FROM YC_DispRec_Info WHERE (id NOT IN (SELECT MAX(ID) FROM YC_DispRec_Info GROUP BY 派車編號))
- 上一篇:“城市物聯(lián)網(wǎng)密鑰管理系統(tǒng)”申領(lǐng),住建部全面放開 2020/4/10
- 下一篇:停車場系統(tǒng)設(shè)計原則 2014/9/19