create user readonlyuser with password 'R3333333341'; grant select on all tables in schema public to readonlyuser; 单表授权 GRANT SELECT ON tablename to readonlyuser
postgres=#createuserreadonlywithpassword'123456';CREATEROLE--设置用户默认事务只读postgres=#alteruserreadonlysetdefault_transaction_read_only=on;ALTERROLE--赋予用户连接数据库权限postgres=#grantconnectondatabase postgrestoreadonly;GRANT--赋予schema,序列,表查看权限postgres=#grantusageonschema publictoreadonly;...
使用CREATE ROLE 或CREATE USER 命令来创建一个新的用户账号。例如,要创建一个名为 readonly_user 的用户,并设置其密码为 password123,可以使用以下命令: sql CREATE ROLE readonly_user WITH LOGIN PASSWORD 'password123'; 或者,如果你希望用户具有更多的角色属性(例如,不能创建数据库或角色),可以使用更详细的...
Step 1: Create a dedicated read-only Postgres user These steps create a dedicated read-only user for replicating data. Alternatively, you can use an existing Postgres user in your database. The following commands will create a new user: CREATE USER <user_name> PASSWORD 'your_password_...
如: SQL> create user testone identified by testone default tablespace test_tablespace; 默认表空间’default tablespace’使用上面创建的表空间。 4.接着授权给新建的用户: SQL> grant connect,resource to testone; –表示把 connect,resource权限授予testone用户 ...
发现createtest2 可以看到createtest1 所建的表,而createtest1也可以看到createtest2所建的表。...这次为了区分权限,Fayson只将test.test2 表的查看权限赋予createtest2 角色,切换到hive 用户后执行如下命令 grant SELECT on data...
The first component in the schema search_path is $user, by default One advantage of the setup in Postgres is that a user can create multiple schemas without creating separate users and grant permissions to others for creating objects in those schemas. What are the Oracle to...
You can create read-only users via the Heroku Data Dashboard Credentials tab, or via the CLI.To add a read-only user through the CLI, first, create the credential. Then, using the default credential, log in to the Postgres console for the database:...
CREATE ROLE #ambari登录再查psql -U ambariselect * from pg_user; 修改主配置文件postgresql.conf修改主配置文件pg_hba.confsystemctl restart postgresql.servicesu - postgrespsql -U ambariPassword for user ambari:ambari#查当前已连接的数据库\c ambari#给ambari授权grant all privileges on database ambari ...
default_transaction_read_only Sets the default read-only status of new transactions. 设置新事务的默认只读状态。 default_with_oids Create new tables with OIDs by default. 创建新表时默认。 dynamic_library_path Sets the path for dynamically loadable modules. 设置动态可加载模块的路径。 effective_cache...