unreasonable-expectations

How to reference one foreign key column with multiple primary key column

I am creating BOOK_Issue table which will contain id of person to whom the book is issued. i have a column name user_id witch will contain ids from tbl_student as well as tbl_faculty. so how to set user_id field of book_issue table with reference to two primary key columns. ...

How to inject code through C#.NET in a Exe created in C#.net

I have created a form in C#.net which ask for key and check validity (expiry date). i place this form as first running form in my application. first time it takes key and every next time loading it check for expiration policy which saved through key in registry. this form is working fine. but now i want to create a another application wh...