SQL Server 2008 : Cannot Insert new column in the middle position and change data type

Question

My OS is Windows server 2008.

I\'ve already installed SQL Server Express 2008.

I have several problems:

1. I can\'t insert a new column in the mid

Answer 1

Column order doesn't matter either in the designer or in sys.columns.

The on disk storage will be the same regardless: Inside the Storage Engine - Anatomy of a record.

There is no performance benefit either.