Use of server processing of temporary results for stateless...

Data processing: database and file management or data structures – Database design – Database and data structure management

Reexamination Certificate

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Reexamination Certificate

active

07849109

ABSTRACT:
A query processor's capabilities may be employed to identify a range rows resulting from a user query to be returned. A server cursor may be declared, opened, fetched from and closed in a single batched request in order to avoid keeping state on a database server between requests. A single block fetch may be used within the batch to retrieve a requisite number of rows from a specified ordinal position. Where server cursors are not available, an intermediate table may be used to hold a subset of the rows resulting from the user query, and row numbers may be added to facilitate selecting the range of rows from that intermediate table. Intelligence within a query processor may be leveraged to support identifying the range of rows to be returned without maintaining state between client requests.

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