--创建同义词 create synonym T_SYSTEM_USERDEPARTMENT for xtzl.T_SYSTEM_USERDEPARTMENT; --查询同义词 SELECT * FROM SYS.ALL_SYNONYMS WHERE SYNONYM_NAME='T_SYSTEM_POST'; --查询当前用户下的同义词 select * from user_synonyms; --授权查询 grant select on tabel1 to secmgt --撤销权限； revoke insert on T_SYSTEM_USERDEPARTMENT from secmgt; --查询当前用户下的序列号 select * from user_sequences; --测试查询 select a.*,rowid From T_SYSTEM_DEPARTMENT a ; --删除测试 delete from T_SYSTEM_DEPARTMENT where ID='1'; --测试插入 insert into T_SYSTEM_DEPARTMENT (id,DEPTNAME,parentid,State,Orderno) values (1,'测试部门','0','启用','123'); --删除测试 drop table T_SYSTEM_USERDEPARTMENT;