If you were asked to explain what is the difference between
OLTP system and BI system, how would you do it?
Here how I did it in one of my presentations:
Here is how OLTP system looks like:
The OLTP system is just flow of raw data (Transactions).
And here how BI system looks like:
PS: Only real DBA can see the red women in the first picture:)
If you did not get it, I recommend you to see the Matrix movie