Checking For Temp Table Existence

Wayne Sheffield offers a clinic on temp tables:

I was recently reviewing a newly created T-SQL stored procedure. This procedure was verifying temporary table existence with the following code:

Seeing this takes me back to one of my favorite presentations, where I compare Temporary Tables and Table Variables. In this, I go over several of the methods that I have seen for how code found on the internet actually does this task… and I show why they are all doing it wrong.

Read on to understand why this isn’t the correct answer.

Related Posts

Testing Memory-Optimized tempdb

Erin Stellato wants to see how big a benefit using In-Memory OLTP for tempdb metadata objects really is: I have SQL Server 2019 CTP 3.2 installed on my virtual machine, which has 8GB of memory (max server memory set to 6 GB) and 4 vCPUs. I created four (4) tempdb data files, each sized to […]

Read More

Constructing Virtual Tables with VALUES

Kenneth Fisher shows how to use the VALUES clause to construct a virtual table: This has come up a few times recently, I find it rather fascinating and I can never seem to remember how to do it properly .. so in other words, it’s a perfect subject for a blog post. Basically, you can […]

Read More

Categories

April 2018
MTWTFSS
« Mar May »
 1
2345678
9101112131415
16171819202122
23242526272829
30