Methods for substituting a semi-join operator with alternative execution strategies and selection methods to choose the most efficient solution under different plans
Abstract:
The manner in which tables are joined can affect the outcome of the query and database performance. Example types of join operations include semi-join and inner-join. The techniques described herein are approaches that may be used to substitute a semi-join operator with an inner-join operator and may be used to transform and optimize representations of queries.
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