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Abstract

A network system temporarily stores all data base access commands transmitted from a test server in a command storage section, is in the stand-by state until a data base access command execution time written in one of the data base access commands comes, and reads out the data base access command from the command storage section, when the data base access command execution time has come, for accessing data base servers 1a to 1n, and also the network system temporarily stores all performance evaluation data for the data base servers 1a to 1n in a performance evaluation data storage section, reads out performance evaluation data from the performance evaluation data storage section when it is determined that execution of all data base access commands has been finished, and transmits the read-out data to the test server.

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First Claim