Category: TSQL

Brief Intro to Indexes and INCLUDE – TSQL Tuesday #10!

Content rating: Beginner     This blog was originally posted on December 17, 2009. I’ve pulled it out of the closet for T-SQL Tuesday #10, with apologies for being too gosh-darn busy to write something new.  This is a companion blog to “Get Index Included Column Info“.  What are indexes for? We need to talk indexes […]

Tip: Use System Views to Compare Column Datatypes

Let’s say that you have a staging table, that then loads to a destination table in the same database.  If you have more than one person working on the process, data types can quickly get out of whack. So: what’s the easiest way to compare datatypes bewteen two “matching” tables? System views, my friends! Let’s create […]

SELECT, Deconstructed

Today let’s expand on the logical processing order of SELECT that I mentioned in last week’s N Things Worth Knowing About SELECT blog. We’re looking at the SELECT statement clauses in the order that the SQL engine logically processes them…we’ll even write it that way – it’ll look weird, but we’ll be reading it like […]