Database indexes

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United States of America Patent

PATENT NO 10146819
APP PUB NO 20160110393A1
SERIAL NO

14881211

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Abstract

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A method and system for database indexing, wherein a database index comprises at least one index include. The method and system includes obtaining the number of executions of each of a plurality of Structured Query Language (SQL) statements within a certain time period, respectively, wherein the plurality of SQL statements use the database index. For each of the at least one index include, calculating a number of hits of the index include according to the number of executions of each of the plurality of SQL statements. Further, obtaining a length of the index include, and calculating a hit frequency of the index include by using the number of hits and the length of the index include. The hit frequency equals the number of hits divided by the length.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINE CORPORATION

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Song, Ge Beijing, CN 18 46
Wei, Ke Wei Beijing, CN 42 167
Yang, Xin Ying Beijing, CN 100 300

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