胡杨的知识库

INSERT INTO OP_MME_IUCS_5G_IMEI_M (MONTH_ID, PROVINCE_I, REGION_ID, NET_TYPE, ...

结论说明：待补充insert overwite table tablename partition (dt= ....) 　select ..... from ( select ... from A where ... union all 　select ... from B where ... union all select ... from C where ... ...