SQL Server 数据库安全相关（SQL语句）

-- 创建登陆用户

-- 语法: create login login_name from windows with default_database = database | default_language = language

create login [localhost\hoojo-pc] from windows with default_database = testHome;

-- 创建登陆用户

-- 语法: create login login_name with password = 'pwd' [hashed] [must_change] [check_expiration] [check_policy]

create login admin with password = '123456', default_database = testHome;

-- 查看登陆用户

select * from sys.sql_logins;

-- 修改用户

alter login admin with name = jackson;

alter login jackson with password = 'abcd';

-- 禁用、启用用户

alter login jackson disable;

alter login jackson enable;

-- 删除用户

drop login jackson;

-- 修改映射凭据(将登录名 MacraeS 映射到凭据 Custodian04)

alter login jackson with credential = Custodian04;

-- 启动 guest 用户（不推荐使用）

-- 特殊用户 dbo、guest；sa 对应dbo用户，其他没有映射的用户就是guest用户

grant connect to guest;

-- 修改用户

alter user jack with name = jason;

alter user jason with default_schema = jason_schema;

-- 删除用户

drop user jason;

-- 给jack用户授权buyers角色

create role buyers authorIzation jack;

-- 修改角色

alter role buyers with name = new_buyers;

-- 删除角色

drop role new_buyers;

-- 架构管理

-- 创建

create schema temp_schema;

-- 指定用户

create schema jason_scheam authorization jason;

-- 授权查询

grant select to jason;

-- 删除

drop schema jason_scheam;

-- 授权创建table

grant create table to jason;

-- 授权jason查询student表

grant select on student to jason;

-- 收回权限

revoke create table to jason;

revoke select on student to jason;