Question
What is the difference between OLTP and a Data warehouse
Answers
Indexes − OLTP system has only few indexes while in an OLAP system there are many indexes for performance optimization.
Joins − In an OLTP system, large number of joins and data is normalized however in an OLAP system there are less joins and de-normalized.
Aggregation − In an OLTP system data is not aggregated while in an OLAP database more aggregations are used.   Your Comment




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