group by
select a.dn,t.dn dnt,a.BEGIN_TIME,a.R032_001,t.R032_001,a.R032_002,a.R032_003,a.R032_004, a.R032_005,t.R032_005,a.R032_006,a.R032_007,a.R032_008,a.R032_009,t.R032_009,a.R032_019,t.R032_019 a.dn,t.dn d
阅读背景：
oracle表的列合并（group by）和行合并（union all）
来源：互联网
分享到：
