Hash Match Joins can join almost any data thrown at them. In this video learn about how the hash match join algorithm works and what seeing hash match joins in your execution plans means for performance of your queries.
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Related blog post about Hash Match Joins:
bertwagner.com/2019/01/02/vis...
Be sure to check out part 1 on nested loops joins: • The Importance of Nest...
And part 2 on merge joins: • Merge Join Internals i...
Going further in-depth with hash match joins:
sqlserverfast.com/epr/hash-ma...
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