How to prevent sensitive information is displayed when the extension 'exe' is modified to 'txt' on windows?

[FrankLike via Digitalmars-d-learn]

On Thursday, 8 January 2015 at 10:11:38 UTC, Danny wrote:
> Hi,
>
> sigh, so I have to annoy you with the truth...
>
> On Tuesday, 6 January 2015 at 17:15:28 UTC, FrankLike wrote:
>> How to prevent sensitive information is displayed when the 
>> extension 'exe' is modified to 'txt' on windows?
>
> By not putting it in in the first place. Everything else is no 
> good in the end. Encryption, xoring, everything is almost 
> useless for that purpose.
>
>> If you build a exe ,such as which can get Data from 
>> DataBase,when you modify the exe's  extension to 'txt',
>> and you open it by notepad.exe (on windows),you will find the 
>> info,it's important for me,so how to stop  the info to display
>>  ?
>
> Do you mean find the password? (I don't see that field in your 
> example)
>
> Remove the password field and let the operating system care of 
> auth forwarding to the database server. Then create all the 
> users on your database and make sure to set their permissions 
> right. That way, your computer and the database server will 
> negotiate whether they let the user in and it's their problem. 
> I always do it like that. Also, that way, you already have 
> existing permission management tools (in the dbms).
>
> If you don't want to grant them permission on the table, don't. 
> Create a view with the harmless info and grant them permission 
> to that. Likewise, if you want to completely abstract it away, 
> create stored procedures in the database as the interface for 
> your app and grant them only permission to execute them.
>
>> Trusted_Connection=Yes    \
>
> Well, now I don't see what the problem you are trying to solve 
> is. You are doing as outlined above already.
>
> So what is the problem you are trying to solve?

'Trusted_Connection=Yes' is for local DB(127.0.0.1) ,but for 
network ,must have the username and password.
I have known how to do,but thank you.