Systems and methods for a large object infrastructure in a database system
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United States of America Patent
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Oct 14, 2008
Grant Date -
Aug 25, 2005
app pub date -
Feb 10, 2004
filing date -
Feb 10, 2004
priority date (Note) -
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Abstract
Various embodiments of the present invention are direct to the utilization of Blob Handles (BHs) which are an internal representation of a large value. BHs are immutable and stateless references to a large data object. The structure of a BH contains enough information to return an ILockBytes interface in order to provide access to the corresponding large data block, and a BH can also return information regarding its own lifetime description. A BH can be completely described using (a) a pointer to the beginning of BH data and (b) the byte-length of the BH.
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