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Test data generation and scale up for database testing using unique common factor sequencing

  • US 8,549,045 B2
  • Filed: 12/30/2010
  • Issued: 10/01/2013
  • Est. Priority Date: 12/30/2010
  • Status: Expired due to Fees
First Claim
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1. A test data generation data processing system comprising:

  • a host computer with at least one processor and memory;

    a test data generator configured to generate test data executing in the memory of the host computer; and

    a unique common factor sequencing module coupled to the test data generator, the module comprising program code configured to;

    select in a table loaded for test data generation in the test data generator, a column set of multiple columns in the table associated with a key to the table;

    assign different cardinality sequence values to the columns in the set, wherein the cardinality sequence values do not share a common factor except for unity;

    generate data for a specified number of rows of each column in the column set according to a formula currentRowValue=((row_number−

    1) % cardinality_value)+1;

    additionally generate random data for other columns of the table without regard to any particular cardinality sequence value; and

    persist the table for use in database testing.

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