Question: What is the difference between the hash join technique and the nested loop technique? When does the SQL Server Optimizer use the former and when

What is the difference between the hash join technique and the nested loop technique? When does the SQL Server Optimizer use the former and when the latter technique?

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Hash Join Technique In the hash join technique both input tables are scanned once to build hash tables based on the join keys The smaller table is loa... View full answer

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