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;