Index sampled tablescan

Details Index sampled tablescan Index sampled tablescan

G - Physics

06

F

G06F 17/30 (2006.01)

Patent

CA 2363187

An optimized query processing system and method for a database system. The database system includes a table of data and an index correlated to both the query and to the table. The optimized query processing system includes an index accessing module adapted to access the index to determine if the table contains an entry satisfying a query predicate; and a tablescan module for scanning substantially the entire table and retrieving data satisfying the query. A method is also disclosed for generating database diagnostic data.

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