SQL Server: Tips and Tricks

  1. How to Change a Column to Allow NULL in SQL Server

    If you have a column in a SQL Server table that does not allow NULL values and you need to change it to allow NULLs, here is how you do it.

  2. How to Check Case-Sensitivity in SQL Server

    SQL Server is, by default, case insensitive; however, it is possible to create a case-sensitive SQL Server database and even to make specific table columns case sensitive. The way to determine if a database or database object is to check its "COLLATION" property and look for "CI" or "CS" in the result.