select * from s_temp_import2;(表a) select * from s_temp_import;(表b) select * from s_temp_import_d;(表c) (1) 内连接查询: select a.* from s_temp_import2 a,s_te Read More
posted @ 2017-08-03 17:40 BruceDu Views(866) Comments(0) Diggs(0) Edit