我玩惯了Oracle刚一来玩SQL Server就被login 和user这样的概念搞的有点迷糊了.因为Oracle中没有这样的区分.就一个用户登进去,然后自己创建了啥表等对象就保存在自个的用户下面.别人想访问你用户下的表得需要额外权限,你要访问其他用户下面的表也要额外权限.所以一切泾渭分明,条理清晰,一目了然.当然这样你用户理解...
2.授予A用户访问B用户所有表权限,另存为.sql后缀,放在Command里面执行。 select 'GRANT select, insert, update, delete ON B.'|| 表名||' to A;' from user_tables; 1. 创建所有表的私有同义词,在A用户上创建 select 'create synonym '||同义词名称||' for B.'||表名||';' from user_tables w...
Type '\c' to clear the current input statement. mysql> TABLE db.t; +---+ | c | +---+ | 1 | +---+ 1 row in set (0.00 sec) mysql> INSERT INTO db.t VALUES ROW(2); ERROR 1142 (42000): INSERT command denied to user 'u'@'localhost' for table 't' In privilege assignment...
StartTransactionCommand → 开始事务; pg_parse_query →解析为内部的抽象语法树(AST); PortalRun standard_ProcessUtility →权限检查和准备; GrantRole→处理创建角色的具体逻辑; CommandCounterIncrement→增量更新当前的命令计数器; CommitTransactionCommand→ 提交当前事务; finish_xact_command→ 在事务结束时,执行必要...
mysql> SET PASSWORD FOR root@localhost=PASSWORD('1234567'); ERROR 1290(HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statement mysql> GRANT all ON *.* TO root@localhost IDENTIFIED BY '1234567'; ERROR 1290(HY000): The MySQL server is ...
intmysql_execute_command(THD*thd,bool first_level){.../* Check if the statement fulfill the requirements on ACL CACHE */if(!command_satisfy_acl_cache_requirement(lex->sql_command)){my_error(ER_OPTION_PREVENTS_STATEMENT,MYF(0),"--skip-grant-tables");goto error;}...} ...
究其原因是:select * from user where user='test' \G;给出的是全局的权限,而不是针对某个DB或者SCHEMA得权限。赋权 语句是grant select,delete,drop,create on foo.* to test@localhost identified by 'test';也就是针对foo这个数据库赋权。那么
Learn to set table-level permissions in SQL Server Management Studio for secure database access with this simple, step-by-step guide from Atlassian.
SELECTUser,Host,JSON_KEYS(User_attributes)FROMmysql.userWHEREUser_attributesISNOTNULL; To extract a particular attribute, such asRestrictions, do this: SELECTUser,Host,User_attributes->>'$.Restrictions'FROMmysql.userWHEREUser_attributes->>'$.Restrictions'<>''; ...
To do this, you can execute a REVOKE command. Syntax The syntax for the revoking privileges on a function or procedure in Oracle is: REVOKE EXECUTE ON object FROM user; EXECUTE The ability to compile the function/procedure. The ability to execute the function/procedure directly. object The ...