SQL语句新建用户、对用户授权、删除用户实例

USE mydb
GO
--1. 新建测试用户
--1.1 添加登录用户和密码
EXEC sp_addlogin N'tony','123'
--1.2 使其成为当前数据库的合法用户
EXEC sp_grantdbaccess N'tony'

--2.设置操作授权
--2.1 授予对自己数据库的所有权限
EXEC sp_addrolemember N'db_owner', N'tony'

--2.2 以下是设置具体操作权限
--授予tony对所有用户表的操作权限
GRANT SELECT,INSERT,UPDATE,DELETE TO tony
--授予tony SELECT,UPDATE到具体的表
GRANT SELECT,UPDATE ON tb TO tony
--授予tony SELECT,UPDATE到具体的表和列
GRANT SELECT,UPDATE ON tb(id,col) TO tony
--禁止tony对所有用户表的操作权限
DENY SELECT,INSERT,UPDATE,DELETE TO tony
--禁止tony SELECT,UPDATE到具体的表
DENY SELECT,UPDATE ON tb TO tony
--禁止tony SELECT,UPDATE到具体的表和列
DENY SELECT,UPDATE ON tb(id,col) TO tony
--删除tony 对所有用户表的授权信息
REVOKE SELECT,INSERT,UPDATE,DELETE TO tony

--授予tony对具有创建表、视图、存储过程等的操作权限
GRANT CREATE TABLE,CREATE VIEW,CREATE PROC TO tony
--禁止tony对具有创建表、视图、存储过程等的操作权限
DENY CREATE TABLE,CREATE VIEW,CREATE PROC TO tony
--删除tony对具有创建表、视图、存储过程等的授权信息
REVOKE CREATE TABLE,CREATE VIEW,CREATE PROC TO tony

GO
--注：更多相关授权信息参考后面的附表中“数据库权限”列。

--3. 删除测试用户
EXEC sp_revokedbaccess N'tony' --移除用户对数据库的访问权限
EXEC sp_droplogin N'tony' --删除登录用户
GO

附表：

数据库权限	数据库权限隐含的权限	服务器权限隐含的权限
ALTER	CONTROL	ALTER ANY DATABASE
ALTER ANY APPLICATION ROLE	ALTER	CONTROL SERVER
ALTER ANY ASSEMBLY	ALTER	CONTROL SERVER
ALTER ANY ASYMMETRIC KEY	ALTER	CONTROL SERVER
ALTER ANY CERTIFICATE	ALTER	CONTROL SERVER
ALTER ANY CONTRACT	ALTER	CONTROL SERVER
ALTER ANY DATABASE DDL TRIGGER	ALTER	CONTROL SERVER
ALTER ANY DATABASE EVENT NOTIFICATION	ALTER	ALTER ANY EVENT NOTIFICATION
ALTER ANY DATASPACE	ALTER	CONTROL SERVER
ALTER ANY FULLTEXT CATALOG	ALTER	CONTROL SERVER
ALTER ANY MESSAGE TYPE	ALTER	CONTROL SERVER
ALTER ANY REMOTE SERVICE BINDING	ALTER	CONTROL SERVER
ALTER ANY ROLE	ALTER	CONTROL SERVER
ALTER ANY ROUTE	ALTER	CONTROL SERVER
ALTER ANY SCHEMA	ALTER	CONTROL SERVER
ALTER ANY SERVICE	ALTER	CONTROL SERVER
ALTER ANY SYMMETRIC KEY	ALTER	CONTROL SERVER
ALTER ANY USER	ALTER	CONTROL SERVER
AUTHENTICATE	CONTROL	AUTHENTICATE SERVER
BACKUP DATABASE	CONTROL	CONTROL SERVER
BACKUP LOG	CONTROL	CONTROL SERVER
CHECKPOINT	CONTROL	CONTROL SERVER
CONNECT	CONNECT REPLICATION	CONTROL SERVER
CONNECT REPLICATION	CONTROL	CONTROL SERVER
CONTROL	CONTROL	CONTROL SERVER
CREATE AGGREGATE	ALTER	CONTROL SERVER
CREATE ASSEMBLY	ALTER ANY ASSEMBLY	CONTROL SERVER
CREATE ASYMMETRIC KEY	ALTER ANY ASYMMETRIC KEY	CONTROL SERVER
CREATE CERTIFICATE	ALTER ANY CERTIFICATE	CONTROL SERVER
CREATE CONTRACT	ALTER ANY CONTRACT	CONTROL SERVER
CREATE DATABASE	CONTROL	CREATE ANY DATABASE
CREATE DATABASE DDL EVENT NOTIFICATION	ALTER ANY DATABASE EVENT NOTIFICATION	CREATE DDL EVENT NOTIFICATION
CREATE DEFAULT	ALTER	CONTROL SERVER
CREATE FULLTEXT CATALOG	ALTER ANY FULLTEXT CATALOG	CONTROL SERVER
CREATE FUNCTION	ALTER	CONTROL SERVER
CREATE MESSAGE TYPE	ALTER ANY MESSAGE TYPE	CONTROL SERVER
CREATE PROCEDURE	ALTER	CONTROL SERVER
CREATE QUEUE	ALTER	CONTROL SERVER
CREATE REMOTE SERVICE BINDING	ALTER ANY REMOTE SERVICE BINDING	CONTROL SERVER
CREATE ROLE	ALTER ANY ROLE	CONTROL SERVER
CREATE ROUTE	ALTER ANY ROUTE	CONTROL SERVER
CREATE RULE	ALTER	CONTROL SERVER
CREATE SCHEMA	ALTER ANY SCHEMA	CONTROL SERVER
CREATE SERVICE	ALTER ANY SERVICE	CONTROL SERVER
CREATE SYMMETRIC KEY	ALTER ANY SYMMETRIC KEY	CONTROL SERVER
CREATE SYNONYM	ALTER	CONTROL SERVER
CREATE TABLE	ALTER	CONTROL SERVER
CREATE TYPE	ALTER	CONTROL SERVER
CREATE VIEW	ALTER	CONTROL SERVER
CREATE XML SCHEMA COLLECTION	ALTER	CONTROL SERVER
DELETE	CONTROL	CONTROL SERVER
EXECUTE	CONTROL	CONTROL SERVER
INSERT	CONTROL	CONTROL SERVER
REFERENCES	CONTROL	CONTROL SERVER
SELECT	CONTROL	CONTROL SERVER
SHOWPLAN	CONTROL	ALTER TRACE
SUBSCRIBE QUERY NOTIFICATIONS	CONTROL	CONTROL SERVER
TAKE OWNERSHIP	CONTROL	CONTROL SERVER
UPDATE	CONTROL	CONTROL SERVER
VIEW DATABASE STATE	CONTROL	VIEW SERVER STATE
VIEW DEFINITION	CONTROL	VIEW ANY DEFINITION