* 函数:例如 `GRANT EXECUTE ON myfunc TO myuser;`* 视图:例如 `GRANT SELECT ON myview TO my...
GRANT SELECT (column1, column2), UPDATE (column1, column2) ON table_name TO user_or_role;使用视图进行权限控制:可以使用 CREATE VIEW 语句创建视图,并使用 GRANT 和 REVOKE 语句对视图进行权限控制,如:CREATE VIEW view_name AS SELECT column1, column2 FROM table_name;GRANT SELECT ON view_name...
二、授权:grant 角色|权限 to 用户(角色) 例:GRANT RESOURCE TO jerry; 1)grant resource to qcm;--授权角色 grant create session to qcm; --授予允许登陆 grant unlimited tablespace to gzu_view; --授予表空间权限,用户使用表空间的权限 grant select on gzu.COLLEGE_VIEW to gzu_view;--授予指定表查询...
select * from info where exists (select * from depart where id=5); select * from info where not exists (select * from depart where id=5); select * from info where > 1; select * from (select * from info where id>2) as T where age > 10; select * from (select * from info w...
GRANT SELECT, UPDATE, INSERT, DELETE ON TABLE public.user TO mydata_dml; GRANT SELECT ON TABLE public.user TO mydata_qry; 删除账号 #撤回在public模式下的权限 revoke select on all tables in schema public from 用户名; #撤回在information_schema模式下的权限 ...
postgres=# grant select on t1 to normal_user; GRANT postgres=# grant insert on t1 to normal_user with grant option; GRANT postgres=# grant update on t1 to public; GRANT postgres=# grant select (a) on t1 to test2; GRANT postgres=# \dp ...
GRANT SELECT ON TABLE SCHEMA1.TABLE1 TO PROJ1_VIEW_GROUP; //授予PROJ1_VIEW_GROUP TABLE1的SELECT权限。 ALTER TABLE SCHEMA1.TABLE1 owner TO PROJ1_DEV_GROUP; //修改TABLE1的Owner为PROJ1_DEV_GROUP。 Hologres专家权限模型最佳实践二 本次实践,使用ALTER DEFAULT PRIVILEGES语句简化对每张表的授权操作...
View Code 授权,定义访问权限 GRANT{ {SELECT|INSERT|UPDATE|DELETE|TRUNCATE|REFERENCES|TRIGGER}[, ...]|ALL[PRIVILEGES]}ON{[TABLE]table_name[, ...]|ALLTABLESINSCHEMAschema_name[, ...]}TOrole_specification[, ...][WITH GRANT OPTION]
GRANT 命令的基本语法如下: GRANT privilege[,...]ONobject[,...]TO{PUBLIC|GROUPgroup|username} privilege − 值可以为:SELECT,INSERT,UPDATE,DELETE, RULE,ALL。 object − 要授予访问权限的对象名称。可能的对象有: table, view,sequence。 PUBLIC − 表示所有用户。
postgres=# \h grant 命令: GRANT 描述: 定义存取权限 语法: GRANT { { SELECT | INSERT | UPDATE | DELETE | TRUNCATE | REFERENCES | TRIGGER } [, ...] | ALL [ PRIVILEGES ] } ---省略--- 来来来,继续操作 用户(角色)user1: 使用alter user 对用户进行更新: ...