Hash Match, the Operator

Dive deep into the intricacies of SQL Server's Hash Match operator in this comprehensive conference talk from PASS Data Community Summit. Explore the versatility of this unique execution plan operator, which can have one or two inputs, block, stream, or block partially, and contribute to the total memory grant of an execution plan. Gain a thorough understanding of how Hash Match performs and its exact functionality within SQL Server. Discover why it's considered the most interesting operator among SQL Server's execution plan operators. Learn about its various operational modes and its impact on query performance. This in-depth, black belt session provides advanced insights for database professionals looking to master execution plan analysis and optimization. Prepare for an intensive exploration of database internals that will enhance your SQL Server expertise.

Hash Match, the Operator - Hugo Kornelis