使用 WITH ENCRYPTION 选项
WITH ENCRYPTION 子句对用户隐藏存储过程的文本。下例创建加密过程,使用 sp_helptext 系统存储过程获取关于加密过程的信息,然后尝试直接从 syscomments 表中获取关于该过程的信息。IF EXISTS (SELECT name FROM sysobjects
WHERE name = 'encrypt_this' AND type = 'P')
DROP PROCEDURE encrypt_this
GO
USE pubs
GO
CREATE PROCEDURE encrypt_this
WITH ENCRYPTION
AS
SELECT *
FROM authors
GOEXEC sp_helptext encrypt_this下面是结果集:The object's comments have been encrypted.接下来,选择加密存储过程内容的标识号和文本。SELECT c.id, c.text
FROM syscomments c INNER JOIN sysobjects o
ON c.id = o.id
WHERE o.name = 'encrypt_this'下面是结果集:说明 text 列的输出显示在单独一行中。执行时,该信息将与 id 列信息出现在同一行中。
id text
---------- ------------------------------------------------------------
1413580074 ?????????????????????????????????e??????????????????????????????????????????????????????????????????????????(1 row(s) affected)
WITH ENCRYPTION 子句对用户隐藏存储过程的文本。下例创建加密过程,使用 sp_helptext 系统存储过程获取关于加密过程的信息,然后尝试直接从 syscomments 表中获取关于该过程的信息。IF EXISTS (SELECT name FROM sysobjects
WHERE name = 'encrypt_this' AND type = 'P')
DROP PROCEDURE encrypt_this
GO
USE pubs
GO
CREATE PROCEDURE encrypt_this
WITH ENCRYPTION
AS
SELECT *
FROM authors
GOEXEC sp_helptext encrypt_this下面是结果集:The object's comments have been encrypted.接下来,选择加密存储过程内容的标识号和文本。SELECT c.id, c.text
FROM syscomments c INNER JOIN sysobjects o
ON c.id = o.id
WHERE o.name = 'encrypt_this'下面是结果集:说明 text 列的输出显示在单独一行中。执行时,该信息将与 id 列信息出现在同一行中。
id text
---------- ------------------------------------------------------------
1413580074 ?????????????????????????????????e??????????????????????????????????????????????????????????????????????????(1 row(s) affected)
Create procedure procName
As改为
Create procedure procName
with encryption
As即可
with ENCRYPTION可以加密,但也有对应的解密方法
如果你真的觉得这个过程很重要的话,就不要写到数据库中,而是在调用时才由程序来创建并调用,使用完成后再删除.
{ RECOMPILE | ENCRYPTION | RECOMPILE , ENCRYPTION } ]
{ RECOMPILE | ENCRYPTION | RECOMPILE , ENCRYPTION } ]