在PostgreSQL中的删除角色删除角色的语句。 用法:DROP ROLE [IF EXISTS] target_role; 让我们分析以上语法: 在DROP ROLE 关键字后添加要删除的角色名称。 使用IF EXISTS 选项可用于在请求删除不存在的角色时发出通知而不是错误。 需要注意的是,要删除超级用户角色,必须是超级用户。要删除非超级用户角色,您需要...
I've created a role in postgresql: $ CREATE ROLE demo_role; $ \du returns the role name demo_role with Cannot login under the list of roles/attributes. I want to delete this role. If I enter the following command: $ DROP ROLE demo_role; It doesn't delete the role and I receiv...
But I still get an error if I try to drop the role “postgres”! There is one special role in each PostgreSQL cluster: the bootstrap superuser created during initdb. Usually that role is called “postgres”, but it always has the object ID 10. If you attempt to drop that role or us...
DROP ROLE用于移除指定的角色。 简介 DROP ROLE移除指定的角色。要删除一个超级用户角色,你必须自己就是一个超级用户。要删除一个非超级用户角色,你必须具有CREATEROLE特权。 如果一个角色仍然被集簇中任何数据库中引用,它就不能被移除。如果尝试移除将会抛出一个错误。在删除该角色前,你必须删除(或者重新授予所有权...
Cannot drop PostgreSQL role. Error: `cannot be dropped because some objects depend on it` Related 192 How to quickly drop a user with existing privileges 0 Remove some rows from table according to users specified 28 Drop table if exists in PostgreSQL database 4 How to drop a table ba...
| statement/sql/drop_role | | statement/sql/drop_server | | statement/sql/drop_spatial_reference_system | | statement/sql/drop_table | | statement/sql/drop_trigger | | statement/sql/drop_user | | statement/sql/drop_view | +---+ 14 rows in set (0.09 sec) We will focus on the D...
postgres> select oid,proowner::regrole,proname||'('||pg_catalog.pg_get_function_identity_arguments(oid)||')' as func from pg_proc where proname='unnest' order by oid; oid | proowner | func ---+---+--- 2331 | jclough | unnest(anyarray) 3322 | rdsadmin | unnest(tsvector tsve...
To alter the owner of the database, the connected user should be the owner of the database and also be a direct or indirect member of the new owning role, and the connected user must have the CREATEDB privilege. Syntax ALTERDATABASE<database_name> OWNERTO<new_owner>; ...
It verifies that the user has sufficient privilege to terminate the process (the user should be either superuser or must be a member of the role whose process is being terminated or member of pg_signal_backend). The server then sends a SIGTERM signal to the process list. Finally, the ...
PL/pgSQL - SQL过程语言 PL/pgSQL 是 PostgreSQL 数据库系统的一个可加载的过程语言，它的设计目标是...