Performance analysis of a database
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United States of America Patent
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Mar 7, 2017
Grant Date -
Nov 21, 2013
app pub date -
May 6, 2013
filing date -
May 16, 2012
priority date (Note) -
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Abstract
A method and system are provided for performance analysis of a database. The method includes receiving a proposed data model, generating a hypothetical query workload using a plurality of sample query templates representing different query constructs for the proposed data model, generating hypothetical optimizer statistics using predefined generating rules that include a projected cardinality for the proposed data model and creating a sample empty database and database schema using the proposed data model. The method also includes applying the hypothetical optimizer statistics to the sample empty database, based on generating the hypothetical optimizer statistics, applying each query construct of the hypothetical query workload to the database schema and estimating a cost of the hypothetical query workload for the proposed data model.
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