Answer / amar

1. Use local cache property set to NO.

2. Validate expression properly.

3. Use detail filters after auto aggregation instead of summarized filters.

4. Test with limited number of data.

5. minimize sql hard code.

6. Avoid Java script usage maximum.

7. Use sql having clause expressions.

8. Avoid usage of cognos functions Maximum.

I hope this is useful...
If am wrong let me know...

Thanks

Answer / ashok

To reduce the run time of a report is known as performance tuning. to reduce the run time we have follow some tricks like query optimization, remove unwanted filters.. etc..

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