During the design phase of an OLTP or ODS application, use I-Spy to analyze transactions. Do not use I-Spy in to trap transactions in a production application because its overhead degrades performance. However, as you design and test an OLTP or ODS application, I-Spy data can provide useful information about the efficiency of each transaction and query. Use this information to adjust the application code before you place the application in production.
For more information, refer to the IBM Informix: I-Spy User Manual.
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