Question - What is the difference between OLTP and OLAP? 
          
        
        Answer - 
        
Followingare the differences between OLTP and OLAP:
   | OLTP | OLAP | 
   | Data is from  original data source | Data is from various  data sources | 
   | Simple queries by  users | Complex queries by  system | 
   | Normalized small  database | De-normalized Large  Database | 
   | Fundamental business  tasks | Multi-dimensional  business tasks |