Yesterday I had asked a simple question SQL SERVER – Puzzle to Win Print Book – Write T-SQL Self Join Without Using LEAD and LAG with keeping two simple intention.
While I was creating question due to copy-paste error the question was not correctly created. In simple word – I made a mistake. This created some confusion and I feel bad about this. Here is what we will do. Please read the question again and attempt to answer the question which I have asked in the blog post.
Yesterday the give away was my SQL Server Interview Questions and Answers book. As the question was corrected after a while, the give away are now got sweeter.
Reference: Pinal Dave (http://blog.SQLAuthority.com)