Method implementing scrollable cursors in a distributed...

Details Method implementing scrollable cursors in a distributed... Method implementing scrollable cursors in a distributed...

2005-06-06

2009-02-03

LeRoux, Etienne P (Department: 2161)

Data processing: database and file management or data structures

Database design

Data structure types

Reexamination Certificate

active

07487159

ABSTRACT:
Provided is a method for accessing data in a distributed database environment. A client program receives multiple requests for data from a database object satisfying specified search predicates from an application program. Each request includes a request for at least one row from the table. The client program transfers a database command and a rowset parameter indicating a maximum number of rows to return to a server program over a network if the requested row is not maintained by the client program. A data block is generated with the server program including rows from the database object satisfying the search predicates in response to the database command. The rows included in the data block do not exceed the rowset parameter. The server program transfers the data block to the client program. In turn, the client program returns at least one requested row from the received data block in response to one request for the at least one row of data from the application program.

REFERENCES:
patent: 6990477 (2006-01-01), Cotner et al.

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