and please explain data target administration contents as well,
Delete Index
Generate Index
Construct Database Statistics
Initial Fill of New Aggregates
Roll Up of Filled Aggregates/BIA Indexes
Initial Activation and Filling of BIA Indexes
Compression of the InfoCube
Activate DataStore Object Data
Complete Deletion of Data Target Contents
Delete Entire Content of Linked Transactional ODS
Archive Data from an InfoProvider
please give me a description for each and please explain how to use in SAP BI, as a beginner it will help me
Thank you