This is more of a heads up for me / reminder regarding some of the caveats to using ONLINE / RESUMABLE index operations with SQL Server.
Don’t get me wrong, there’s a ton of advantages to using ONLINE and RESUMABLE which I will highlight below but here is the link to the Microsoft Learn page if you want more in depth information
Read on for the pros and cons. I do like the idea, though I personally haven’t used the feature.