delete from core.t_trans t1 WHERE EXISTS(SELECT t2.f_trans_id FROM pay_data_ext.r_ext_core_t_trans t2 WHERE t2.f_trans_id=t1.f_trans_id);
delete from core.t_trans t1 WHERE EXISTS(SELECT t2.f_trans_id FROM pay_data_ext.r_ext_core_t_trans t2 WHERE t2.f_trans_id=t1.f_trans_id);
POSTGRESQL的分區和MYSQL不同,MYSQL是有專門的分區表, 而POSTGRESQL的分區則利用它本身的面向對象的特性來做。 下面我們來簡