ALGORITHMIC COMPRESSION VIA USER-DEFINED FUNCTIONS
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Nov 11, 2010
filing date -
Sep 29, 2010
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Abstract
A method, apparatus, and article of manufacture for accessing data in a computer system. One or more user-defined functions (UDFs) implementing a desired compression or decompression algorithm are created, wherein the UDFs are associated with one or more columns of a table when the table is created or altered, in order to perform compression or decompression of data stored in the associated columns, such that the data is compressed by the UDF implementing the desired compression algorithm when the data is inserted or updated in the table, and the data is decompressed by the UDF implementing the desired decompression algorithm when the data is retrieved from the table.
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