INCREMENTALLY UPDATED SAMPLE TABLES
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United States of America Patent
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N/A
Issued Date -
Nov 6, 2014
app pub date -
May 1, 2013
filing date -
May 1, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An example apparatus may include a processor and a memory device including computer program code. The memory device and the computer program code may be for, with the processor, causing the apparatus to delete, in a sample table, rows corresponding to a predicate, wherein rows in the sample table are representative of a random sample of rows in a base table of a database; generate sample rows representative of a random sample of rows in the base table corresponding to the predicate; and add the sample rows to the sample table to generate an incrementally updated sample table.
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