Erik Darling is back with a new episode of office hours:
Do you know of any disadvantages of using a filtered index to filter NULL values? We have a very heavy transactional table, like 10k trans/sec, with a clustered index and one non-clustered index. We don’t have any queries that select rows with NULL values from this table. The DBA team said we should avoid using a filtered index without any proof. What do you think?
Click through for Erik’s answers in video form. I was workshopping a joke around how all of the evidence Erik has of me being mean to him are lies, but couldn’t make it work without riding the line of “Wait…is he serious?”
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