Parallel execution of merge operations

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United States of America Patent

PATENT NO 10210207
APP PUB NO 20170193043A1
SERIAL NO

14985791

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Abstract

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Aspects include a method that includes receiving a structured query language (SQL) database command at a processing device configured to manage a table space of a relational database, the database command including a merge statement. The method also includes identifying a group of target records from the database command, and associating each target record with one of a plurality of portions of the table space, and in response to determining that the group of target records is associated with more than one portion of the table space, sorting the target records into a plurality of sub-groups, each sub-group associated with a different portion of the table space. The method further includes generating a sub-task associated with each sub-group, the sub-task prescribing aspects of performing the merge operation using an associated sub-group respective sub-group, and performing all of the sub-tasks on the memory space in parallel.

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Patent Owner(s)

  • IBM CORPORATION

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Li, Shuo Beijing, CN 319 801
Liang, Ping Beijing, CN 127 2178
Sun, Bing Qing Beijing, CN 3 7
Wang, Xiaobo Beijing, CN 323 5250
Yang, Xin Ying Beijing, CN 100 299

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