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...
目前,要想在 Postgres 里面只赋予几列权限,你必须创建一个包含那几列的视图(view),然后把权限赋予那几个视图。 使用psql z 命令获取关于现存对象权限的更多信息: Database = lusitania +---+---+ | Relation | Grant/Revoke Permissions | +---+---+ | mytable | {"=rw","miriam=arwR","group tod...
INSERT INTO pg_group VALUES ('todos');CREATE USER miriam IN GROUP todos; 参考REVOKE 语句重新分配访问权限.用法 给所有用户向表 films 插入记录的权限: GRANT INSERT ON films TO PUBLIC; 赋予用户 manuel 操作视图 kinds 的所有权限: GRANT ALL ON kinds TO manuel; 兼容性 SQL92 SQL92 GRANT 语法允许对...
s2 | postgres (3 rows)t1=# create user u1 password ‘123456';CREATE ROLE t1=# create user u2 password ‘123456';CREATE ROLE t1=# grant all privileges on schema s1 to u1;GRANT t1=# grant all privileges on schema s2 to u1;GRANT t1=# \c - u1 You are now connected to database “...
Step 1: Create New Database Firstly, let’s create a new database on which all modifications will be performed: CREATE DATABASE db_org; The database named “db_org” has been created successfully. Step 2: Connect Database To establish a connection with the “db_org” database, let’s...
GRANT { { CREATE | TEMPORARY | TEMP } [,...] | ALL [ PRIVILEGES ] } ON DATABASEdbname[, ...] TO {username| GROUPgroupname| PUBLIC } [, ...] [ WITH GRANT OPTION ] GRANT { EXECUTE | ALL [ PRIVILEGES ] } ON FUNCTIONfuncname([type, ...]) [, ...] ...
First, use the postgres user to connect to the PostgreSQL server using any client tool of your choice, for example, psql: psql -U postgres Second, create a new user role called joe that can log in to the PostgreSQL server: create role joe login password 'YourPassword'; Replace the Your...
Database superusers can grant or revoke membership in any role to anyone. Roles having theCREATEROLEprivilege can grant or revoke membership in any role that is not a superuser. There are three pre-defined roles that have the following meanings: ...
OracleGRANT赋权详解2010061908:23:12分类:ORACIF数据库标签:举报字号大中小订阅GRANT名称GRANT赋予一个用户,一个组或所有用户访问权限GRANTprivilege,.ONobject,.TOPUBIIC
We have noticed that despite the user TEST_USR1 has only GRANT SELECT privilege on dba_raj.testing table, it is able to lock the table . GRANT READ : — create user with grant read privilege create user TEST_USR2 identified by TEST_USR2; ...