@Sarvesh,

My recommendation at this point would be to rework the article so it doesn't have the data error with the postal code in the first line of test data and correct the table name error in the SELECT of that same block of code. I'd also recommend that you re-research the aggregate section of the article and write your own example instead of copying from a post... especially since folks have been correct in that area. The two pieces of code are really nothing alike. I know that Steve Jones has no problem posting corrections.