Microsoft Dynamics Axapta Technical,Functional Coverage

Performance points in axapta How you code access to your data has a major impact on the performance of your code and system; here is a list of rules to go by: • Unless you really need to and have tested the execution plan very well, don’t use hints in database statements; the database optimizer will do a better job, and a bad hint can really hurt performance. • Use table joins instead of using loops to walk through your data; this reduces the number of statements traveling around and the amount of data, plus it offloads processing of data to the database. • Use aggregate functions where appropriate instead of aggregating in code. • If you are deleting many rows that match specific criteria, use the delete_from statement instead of delete, as it performs better. • If you are updating many rows that match specific criteria, use the update_from statement instead of the update statement, as it performs better. • Think well about your indexes: lack of good indexes will lead to ful