CREATE FUNCTION distributors_id_max() RETURNS INT4 AS 'SELECT max(id) FROM distributors' LANGUAGE 'sql'; BEGIN; COPY distributors FROM 'input_file'; SELECT setval('serial', distributors_id_max()); END; 兼容性 SQL92 CREATE SEQUENCE是 Postgres 语言扩展.在 SQL92 里没有CREATE SEQUENCE语句. 在...
@文心快码postgres grant select on 文心快码 在PostgreSQL中,GRANT SELECT语句用于授予用户对数据库对象(如表、视图等)的读取权限。下面是对GRANT SELECT语句的详细解释和示例: 解释GRANT SELECT语句的用途: GRANT SELECT语句允许指定的用户或角色对特定的数据库对象执行SELECT操作,即读取数据。这对于数据共享和只读访问...
一、概述 Grant 在 He3DB 中用于用于执行SQL授权语句的函数,具体来说,它处理GRANT语句,用于赋予用户或角色特定的权限。 二、GrantRole 命令的执行流程 PostgresMain exec_simple_query →执行简单的 SQL 查询; StartTransactio
GRANT privilege[, ...] ON object[ ( column[, ...] ) ] [, ...] TO { PUBLIC | username[, ...] } [ WITH GRANT OPTION ] 这些字段与 Postgres 实现是兼容的,除了下面一些例外: privilege SQL92 允许声明附加的权限: SELECT REFERENCES 允许在一个声明的表的整合约束中使用某些或全部列/字段. U...
Postgres on Neon comes with an HTTP API. Get the free plan. Summary: in this tutorial, you will learn how to use the PostgreSQL GRANT statement to grant privileges on database objects to a role. Introduction to PostgreSQL GRANT statement After creating a role with the LOGIN attribute, the ...
public | mytable | {=r/postgres,miriam=arwdRxt/postgres,"group todos=arw/postgres"} (1 row) \z显示的条目解释如下: =xxxx -- 赋予 PUBLIC 的权限 uname=xxxx -- 赋予一个用户的权限 group gname=xxxx -- 赋予一个组的权限 r -- SELECT ("读") ...
⽤户u2访问s2.view1,⽤户u2只需要s2的usage权限和s2.view1的select权限，⽽不需要s2.view1基表s1.table1的select权限和对应schema s1的usage权限 t1=# \c You are now connected to database “t1” as user “postgres”t1=# \dns List of schemas Name | Owner ---±--- public | postgres ...
...]ON object [ ( column [, ...] ) ] [, ...]TO { PUBLIC | username [, ...] } [ WITH GRANT OPTION ]这些字段与 Postgres 实现是兼容的，除了下面一些例外：privilege SQL92 允许声明附加的权限：SELECT REFERENCES 允许在一个声明的表的整合约束中使用某些或全部列/字段．USAGE 允许...
GRANT SELECT: — create a user with grant select privilege create user TEST_USR1 identified by TEST_USR1; grant create session to TEST_USR1; grantSELECT ONdba_raj.testing to test_usr1; with this select privilege, it can run select for update also. ...
EDB Postgres Advanced Server Version 13 Documentation and release notes. Oracle database compatibility with higher security and data redaction for Enterprises.