One of the most popular posts on my blog last year was where I pretty much suggested that people not use table variables:
This wasn’t new information when I wrote it, but bad performance due to the use of table variables remained such a common anti-pattern that I thought it was worth stressing again.
So, when I saw the above 2019 feature I thought I’d better investigate and update what I’m telling people.
TL;DR It looks like table variables are no longer a problem.
Read the whole thing. This has the potential of changing long-standing advice going back a decade regarding table variables.