Patent ID: 6236997
Filing Date: 2001-05-22
Classification: G06F

Abstract:
A method for processing a statement from a client, comprising the steps of:receiving the statement at a local database server specifying an operation to be performed at a foreign database server;determining whether the operation specified to be performed at the foreign database server is not implemented by the foreign database server; andif the operation is determined to be not implemented by the foreign database server, then causing the local database server to perform the steps of:determining one or more first operations to be performed by the local database server and one or more second operations to be performed by the foreign database server to execute the statement;sending a request to the foreign database server to perform said one or more second operations and to retrieve data stored in the foreign database server and needed to process said one or more first operations; andcompleting execution of the statement by performing said one or more first operations in the local database server based on retrieval of the data stored in the foreign database server and needed to process said one or more first operations.