Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The general framework of a CTE containing N common tables that join N select statements. In each common table, a select statement determines the result set and previous common tables can be referenced in subsequent ones. The last SELECT statement dictates what the final result set will be.
