Consider fragmenting your tables if improving at least one of the following is your goal:
Each of the preceding goals has its own implications for the fragmentation strategy that you ultimately implement. Your primary fragmentation goal determines, or at least influences, how you implement your fragmentation strategy. When you decide whether to use fragmentation to meet any of the preceding goals, keep in mind that fragmentation requires some additional administration and monitoring activity.
For more information about the preceding goals and how to plan a fragmentation strategy, see your IBM Informix: Performance Guide.
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