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Reusing existing query plans in a database system

Abstract(summary):

A system and method for executing query plans preprocesses a user's queries to identify and extract select parameters of the query, creates a skeletal query with reference to the extracted parameters, creates and compiles an executable version of the skeletal query, then executes the compiled version of the skeletal query using the particular parameters in the current query. The compiled version of the parameterized skeletal query is stored, and when another query is submitted that matches the skeletal query (but with potentially different parameters), the previously compiled skeleton query is executed with the parameters of this latter query.


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