Invention Grant
US08972381B2 Techniques for three-step join processing on column partitioned tables
有权
在列分区表上进行三步连接处理的技术
- Patent Title: Techniques for three-step join processing on column partitioned tables
- Patent Title (中): 在列分区表上进行三步连接处理的技术
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Application No.: US13726967Application Date: 2012-12-26
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Publication No.: US08972381B2Publication Date: 2015-03-03
- Inventor: Mohammed Al-Kateb , Grace Kwan-On Au , Sanjay Sukumaran
- Applicant: Mohammed Al-Kateb , Grace Kwan-On Au , Sanjay Sukumaran
- Applicant Address: US OH Dayton
- Assignee: Teradata US, Inc.
- Current Assignee: Teradata US, Inc.
- Current Assignee Address: US OH Dayton
- Agency: Schwegman, Lundberg & Woessner, P.A.
- Main IPC: G06F17/00
- IPC: G06F17/00 ; G06F17/30
Abstract:
Techniques for processing joins on column partitioned tables are provided. A query includes a first-Column Partition (CP) table joined with a second-CP table. The query is decomposed into a three-step process and rewritten and processed.
Public/Granted literature
- US20140181077A1 TECHNIQUES FOR THREE-STEP JOIN PROCESSING ON COLUMN PARTITIONED TABLES Public/Granted day:2014-06-26
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