Answer / always learner

performance tuning.......

Avoid the following things in ur abap code

1. Avoid using nested select statemtns
2. Avoid using global varaibales
3. Avoid using move-corresponding
4. Avoid using '*' in ur select query
5. use key fields in where calues
6. Avoid using query llooop

ok

Answer / sateesh

performance tuning is to improve the program performance
using some features.
using nested selects,
for all entries,
using view,
ST05 is Tcode for performance tuning.

Answer / ravi kanth

Refer This url.
http://saptechnical.com/Tutorials/ABAP/PerformanceCheckList.htm

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