1. 给表创建同义词的 CREATE SYNONYM d_sum2 FOR dept_sum_vu; CREATE PUBLIC SYNONYM s_dept2 FOR alice.s_dept; 2.删除同义词的 DROP SYNONYM s_dept;
1. 给表创建同义词的 CREATE SYNONYM d_sum2 FOR dept_sum_vu; CREATE PUBLIC SYNONYM s_dept2 FOR alice.s_dept; 2.删除同义词的 DROP SYNONYM s_dept;