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  • Find Differences in 2 similar tables

    • See how a table has changed over the week
    • QA for data entry effort (before and after)
    • Verify expected changes due to code mods
  • Compare the column names from MS-SQL and Oracle schemas

    • Or compare length of text columns
  • Analyze whether duplicate keys are duplicate rows (heavy hand on the “submit” button?)

  • See the results of modifying a query

    • Inner join vs outer join
    • Null predicate

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