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HP2-N36 · Question #15
What are the advantages of a merge join versus a hash join? (Select two.)
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Question
What are the advantages of a merge join versus a hash join? (Select two.)
Options
- ASometimes a merge join runs faster than a hash join.
- BA merge join uses memory more efficiently.
- CA merge join requires no optimization.
- DA merge join can spill to disk if the inner table is too large.
- EA merge join joins the data into a new projection.
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Topics
#Vertica#merge join#hash join#query optimization