The following sections explain what you need to bear in mind if the data in the underlying InfoCube changes when using SAP NetWeaver BW Accelerator indexes.
For information about hierarchy/attribute change runs with SAP NetWeaver BW Accelerator indexes and special cases where it might be necessary to restructure a BW Accelerator index, see System Response When Data Changes: SAP NetWeaver BW Accelerator Index.
For information about optimizing the performance of frequently used BW Accelerator indexes, see Improving Efficiency Using BWA Delta Indexes.