C:\Users\Mi>psql -U user1 用户user1 的口令: psql: fe_sendauth: no password supplied 修改密码及使用密码登录:此时没有权限 postgres=# alter user user1 password '123456'; ALTER ROLE postgres=# select * from pg_user; usename | usesysid | usecreatedb | usesuper | userepl | usebypassrls...
ACL(Access Control List 访问控制列表) role: 角色 user: 用户 privilege: 权限 permission: 权限许可 grant: 授予 role/user 某个权限, 让 ta 拥有 这个权限的权限许可。 revoke : 撤销权限许可 通常是以角色为中心, 一个角色关联多个用户, 一个角色关联多个权限 ACL: Access Control List 简介:以前非常盛行...
复制 <mapper namespace="com.post.gresql.mapper.UserJsonMapper"><insert id="addUserJson"parameterType="com.post.gresql.entity.UserJsonEntity">INSERTINTOpq_user_json(id,title,user_list,create_time)VALUES(#{id},#{title},#{userList,typeHandler=com.post.gresql.config.JsonTypeHandler},#{createTi...
ps -e -o 'pid,comm,args,pcpu,rsz,vsz,stime,user,uid' ps -e -o 'pid,comm,args,pcpu,rsz,vsz,stime,user,uid' | grep postgres | sort -nrk5 /其中rsz为实际内存,上例实现按内存排序,由大到小/ /看内存占用/ free -m /看硬盘占用率/ df -h /查看IO情况/ iostat -x 1 10 /* 如果i...
grant insert ON public.userlist to user01,user02; grant update ON public.userlist to user01,user02; 此时user01、user02可以执行查询操作,获得整个表userlist的全部数据; 用例1:限制user01用户限制只能查询表userlist中name=‘user01’的数据 创建策略, ...
方式1: 在系统命令行中使用createuser命令中创建 Create user username 方式2: 在PostgresSQL命令行中使用CREATE ROLE指令创建 CREATE ROLE rolename; [postgres@abc ~]$ createuser lss [postgres@abc ~]$ psql psql (11.2) Type "help" for help. postgres-# \du List of roles Role name | Attributes |...
CREATEORREPLACEFUNCTIONvalidate_user()RETURNSrefcursorAS$BODY$declareuser_list refcursor;beginopenuser_listforselect*fromtb_userwhereemail=usernameTeandstate=1;returnuser_list;end; $BODY$ LANGUAGE plpgsql VOLATILE COST100; //下面是标准的pg/sql的写法 ...
List<User>userList=userDao.findByNameLike("%李四1%",pageable).getContent();userList.forEach(System.out::println);Pageable pageable2=newPageRequest(0,10,Sort.Direction.ASC,"userId");List<Student>studentList=studentDao.findByNameLike("%李四学生2%",pageable2).getContent();studentList.forEach(...
The role or user who has been assigned the permission Once you have a list of all users, roles, and permissions in your PostgreSQL deployment, you can check that each user has only the permissions required on the specific databases, tables, columns, or views they need access to....
[postgres@pghost1~]$ /opt/pgsql/bin/createuser -h pghost1-p 1921-c 1-g pg_ monitor --interactive -e -P newuser Enter password for new role: Enter it again: Shall the new role be a superuser? (y/n) n Shall the new role be allowed to create databases? (y/n) n Shall the...