Performance Tuning Guide > Tuning Customer Configurations for Performance > Best Practices for Business Objects Layer >

Guidelines for Using Calculated Fields


Calculated fields provide a convenient way to access and display data in the user interface that is not directly stored in a table. However, calculated fields have a cost associated with them. Consequently, it is important to use them appropriately to fulfill your requirements, and not to misuse them.

Each calculated field is evaluated whenever the business component is queried to provide a value for the field. Extensive use of calculated fields, or usage in certain contexts, may impact performance. Some guidelines are as follows:


 Performance Tuning Guide 
 Published: 24 October 2003