⟩ What is incremintal loading? What is batch processing? What is crass reference table? What is aggregate fact table?
Incremental loading means loading the ongoing changes in the OLTP.<br><br>Aggregate table contains the [measure] values ,aggregated /grouped/summed up to some level of hirarchy.<br>
Batch Processing means executing more than one session in single run at the same time. we can execute these session in 2 ways : <br>linear: exececuting one after another<br>parralel: executing more than one session at at time