Pages

Sunday, 31 March 2019

Full Load vs. Incremental Load in Datawarehousing

Full Load vs. Incremental Load



Full Load:
Truncates all rows and loads from scratch.
Requires more time.
Can easily be guaranteed
Can be lost.



Incremental Load:
New records and updated ones are loaded.
Requires less time.
Difficult. ETL must check for new/updated rows.
Retained.