Graphical query analyzer
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United States of America Patent
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Jun 1, 2004
Grant Date -
Sep 18, 2003
app pub date -
Jun 11, 2002
filing date -
Dec 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A user specifies one or more queries comprising a batch of SQL statements. Each query submitted is displayed and represented as a tree, with each operation in the execution plan for the query represented by a corresponding tree node. This representation intuitively conveys the DBMS execution strategy which would be used to process the queries. The tree nodes are displayed as icons, with a unique one of such icons corresponding respectively to each of the possible query operations. In addition, the computing cost of each operation (each node) as a percentage of overall query cost is displayed, as is the cost of each query as a percentage of the overall cost of the specified query batch. A user may select an operation (tree node) with a conventional mouse, whereupon a user interface will show more detailed cost statistics relating to the selected operation.
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Cited Art Landscape
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