The online analytical processing system OLAP operates on a large amount of data and requires a lot of data calculations, but its timeliness requirements are relatively low. The online transaction…

The online analytical processing system OLAP operates on a large amount of data and requires a lot of data calculations, but its timeliness requirements are relatively low. The online transaction processing system OLTP is mainly used to record the occurrence of certain types of business events and has very high requirements for data timeliness. Therefore, OLTP is more suitable for the use of the massively parallel processing architecture MPP.