T-SQL Variable Scoping

Bill Fellows points out an oddity of T-SQL variable declarations and scoping:

Crazy enough, the last two are correct. It seems that unlike every other language I’ve worked with, all variables are scoped to the same local scope regardless of where in the script they are defined. Demo the first

Wanna see something even more crazy? Check this version out

I should note that I wanted a submit button.

Related Posts

SQL Server Graph Database

The SQL Server team announces graph extensions in SQL Server 2017: Graph extensions are fully integrated in the SQL Server engine. Node and edge tables are just new types of tables in the database. The same storage engine, metadata, query processor, etc., is used to store and query graph data. All security and compliance features […]

Read More

Comparing Tables With Powershell

Shane O’Neill compares table columns with T-SQL and Powershell: That is not really going to work out for us… So I’m not liking the look of this, and going through the results, it seems to me that these results are just not useful. This isn’t the computers fault – it’s done exactly what I’ve told […]

Read More

Categories

March 2017
MTWTFSS
« Feb Apr »
 12345
6789101112
13141516171819
20212223242526
2728293031