发明名称 |
METHOD, DATABASE SYSTEM AND COMPUTER PROGRAM FOR JOINING TEMPORAL DATABASE TABLES |
摘要 |
A method, database system and computer program are disclosed for performing a temporal join between two temporal database tables. The method includes determining a selected table intersection between a period of interest and a time period value for a selected table row, scanning an inner table for a row that matches the selected table on the join conditions and overlaps the selected table intersection, and determining the remainder time period values from the selected table intersection.
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申请公布号 |
US2010082601(A1) |
申请公布日期 |
2010.04.01 |
申请号 |
US20080239868 |
申请日期 |
2008.09.29 |
申请人 |
RAMESH BHASHYAM;KOPPURAVURI MANJULA;TEKUR CHANDRASEKHAR |
发明人 |
RAMESH BHASHYAM;KOPPURAVURI MANJULA;TEKUR CHANDRASEKHAR |
分类号 |
G06F7/06;G06F17/30 |
主分类号 |
G06F7/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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