--创建具有INHERIT属性的角色joe:CREATEROLE joe LOGIN INHERIT;--创建具有NOINHERIT属性的角色admin:CREATEROLE admin NOINHERIT;--创建具有NOINHERIT属性的角色wheel:CREATEROLE wheel NOINHERIT;--将joe作为成员,添加进admin组:GRANTadminTOjoe;--将admin作为成员,添加进wheel组:GRANTwheelTOadmin; 一个session 以 j...
Owner|Schema|Type|Access privileges---+---+---+---a|public|table|read_a=r/a (1row) postgres=>\c db_a # 用a用户创建一个表t2,插入语句,用read_a查询测试一下 Youarenow connectedtodatabase "db_a"asuser"a". db_a=>\dt Listofrelations Schema|Name|Type|Owner---+---+---+---p...
rudonx=# grant select on all tables in schema public to rudonx1; GRANT ``` 4.查看特定用户所具有的表级权限 ```undefined rudonx=# select table_catalog,table_schema,table_name , privilege_type from information_schema.table_privileges where grantee='rudonx1'; table_catalog | table_schema | t...
Schema|Name|Type|Access privileges|Column privileges|Policies ---+---+---+---+---+--- public|t1|table|test1=arwdDxt/test1|| (1rows) postgres=# grant select on t1 to normal_user; GRANT postgres=# grant insert on t1 to normal_user with grant option; GRANT...
GRANT示例:GRANTALLONdatabase dbnameTOrolename;GRANTUPDATEONtabnameTOdemo_role;GRANTSELECTONALLTABLESINSCHEMAschemaname to rolename;GRANTALLONtabnameTOrolename;GRANTROLE1TOUSER1;(注:角色的属性不会授予用户)GRANTSELECT,UPDATE,INSERTONmytableTOadmin;GRANTSELECT(col1),UPDATE(col1)ONmytableTOmiriam_rw;...
You are now connectedtodatabase"test"asuser"dlq16050". 1. 2. 3. 4. 5. 创建表 dlq16050@HQ-SIT-kafka013:5432/test=>CREATETEMPORARYTABLEtmp_t(idint);CREATETABLETime:13.079ms dlq16050@HQ-SIT-kafka013:5432/test=>CREATETABLEt1(idint);CREATETABLETime:4.236ms ...
启动命令行工具psql-U用户名-d数据库名，输入密码进入操作界面。创建表时写清楚字段类型，例如：CREATE TABLE学生表(学号SERIAL PRIMARY KEY 姓名VARCHAR(50)年龄INT 入学日期DATE );插入数据用INSERTINTO学生表(姓名,年龄,入学日期)VALUES(’张三’,18,’2023-09-01’);。查看表结构输入学̣生表。查询数据 基础...
Password for user u1: psql (14.5) Type "help" for help. u1db=> alter default privileges for ROLE u1 in schema u1 grant select on tables to u2; ALTER DEFAULT PRIVILEGES u1db=> create table u1.t2(id int); CREATE TABLE 1. 2.
create user admin with SUPERUSER password '123'; 注: 属性LOGIN、SUPERUSER和CREATEROLE被视为特殊权限,它们不会像其它数据库对象的普通权限那样被继承。 加了WITH ADMIN OPTION 则允许被授予的用户继续将权限授予给其他人。 user\role区别 user 拥有login登陆数据库权限的role ...
* -- grant option for preceding privilege /yyyy -- role that granted this privilege The above example display would be seen by user miriam after creating table mytable and doing: GRANT SELECT ON mytable TO PUBLIC; GRANT SELECT, UPDATE, INSERT ON mytable TO admin; GRANT SELECT (col1), ...