Client/server database system with methods for providing clients with server-based bi-directional scrolling at the server
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United States of America Patent
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Jun 29, 1999
Grant Date -
N/A
app pub date -
Jul 26, 1995
filing date -
Jul 26, 1995
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Abstract
System and methods are described for integrating the navigational semantic model of PC DBMS environments into the set-oriented model of SQL database environments. More particularly, a Client/Server system of the present invention provides native navigational support on the Server side, without emulation through a multitude of SQL commands from the Client. The Database Server surfaces to the Client an API (Application Programming Interface) having calls corresponding to each verb taken from a navigational context. The Server, in turn, is modified to include knowledge of how to process each navigational verb. To support this functionality, the indexing of the Server is modified to provide bi-directional scrolling. In this manner, the system is able to provide more efficient, higher performance navigational support in an SQL database context.
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