Synchronous/asynchronous client server access based upon database file record attribute
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United States of America Patent
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Jun 17, 1997
Issued Date -
N/A
app pub date -
Jan 3, 1996
filing date -
Nov 25, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is for increasing operational speed for appending or updating data in a remote database system of the client-server type. When an operational unit of a client node accesses a record file in a server node, and when an attribute associated with an item to be accessed is the likely source of error on accessing, to an output command to the record file in the server node, synchronous operation is performed where the client node waits for notification of an output completion result from the server node and then proceeds to the subsequent transactions. On the other hand, asynchronous operation is performed, when there is no possibility of error, where the client node proceeds to the subsequent transactions without waiting for notification of an output completion result from the server node.
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