Cantor Colburn LLP
Eigenvalue-based data query
Embodiments relate to an eigenvalue-based data query. An aspect includes receiving a query request that includes a query statement. Another aspect includes calculating eigenvalues of key component elements in the query statement. Another aspect includes matching eigenvalues of nodes in an execution plan of a historical query statement to the eigenvalues of the key component elements. Yet another aspect includes based on determining success of matching the eigenvalues of the key component elements to the eigenvalues of the nodes in an execution plan of the historical query statement, generating an execution plan of the query statement.
INTERNATIONAL BUSINESS MACHINES CORPORATION
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Sheng Chen Fu Fei Lei Jing Jing Guang Zhou Zan
Zhao Wang Xu Qiu Liu Zhang Zhou