International Business Machines Corporation
Complex query optimization

Abstract:

Disclosed is a computer implemented method and related system to improve the efficiency of querying remote databases. The method includes receiving, from a host, a query, wherein the query is configured to retrieve a set of data from a remote database. The method also includes, generating an access plan, the access plan comprising a plurality of nodes wherein each node of the plurality of nodes includes a command. The method further includes determining capabilities of the remote database. The method includes executing the query and returning the set of data to the host.