Answer / rahul singh

1. Don't use the followings :-
a. loop within loop.
b. select endselct.
c. Occur (statements)
d. Move corresponding.
e. use of cluster tables.
f. use select * (all feilds)
g. use of OR statement in select statement.
h. use of negative conditions.

2. Use the following :-
a. loop with reads if needed to be read multiple time.
b. Use of IN statement in select statement instead of OR.
c. use of maxium key feilds with select statement.
d. use of function modules instead of select statement
if it is available.

Answer / muralitharan

Additional to above points,

In select query Use For All Entries while pulling data from
database.

Frequently don't use inner join in your program

While Looping create work area and process the record

These are some points to improve performance of program

Answer / jc

1. Clear understanding of requirement.
2. Construct the how-to before actual coding starts.
3. Avoid using multiple read to the same database table.
4. Make sure to use indexed field while reading to database table.

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