The EXCEPT operator returns all of the distinct rows from the query to the left of the EXCEPT operator when there are no matching rows in the right query. The EXCEPT operator is equivalent of the Left Anti Semi Join. EXCEPT operator works the same way NOT IN. EXCEPTS returns any distinct values from the query to the left of the EXCEPT operand that do not also return from the right query.
SQL Code Formatting is very important. Every SQL Server DBA has its own preference about formatting. I like to format all keywords to uppercase. Following are two online tools, which formats SQL Code very good. I tested following script with those tools and I found two of the tools worth mentioning here.
In this blog post we will see how we can convert ASCII to Decimal and Decimal to ASCII. In simple words, we will see the decimal and ASCII conversion.