Both OLAP and OLTP are important phenomena of DBMS. They both are online processing systems. OLTP is an online database modifying method whereas, OLAP is an analytical processing system or online database query answering system. Let’s find out more differences between OLAP and OLTP in DBMS.
What is OLAP?
OLAP stands for Online analytical processing. It includes software tools that help in analyzing data mainly for business decisions. This particular OLAP system enables users to examine database reports from various database systems at one time.
What is OLTP?
OLTP stands for online transaction processing. It encourages transaction-oriented applications in a 3-tier architecture. It also helps in managing the day-to-day transactions of an organization. ATM center is a prominent example of OLTP.
Difference between OLAP and OLTP in DBMS
| S.No. | OLAP | OLTP |
| 1 | OLAP stands for Online analytical processing. | OLTP stands for online transaction processing. |
| 2 | It includes software tools that help in analyzing data mainly for business decisions. | It helps in managing online database modification. |
| 3 | It utilizes the data warehouse. | It utilizes traditional approaches of DBMS. |
| 4 | It is popular as an online database query management system. | It is popular as an online database modifying system. |
| 5 | OLAP employs the data warehouse. | OLTP employs traditional DBMS. |
| 6 | It holds old data from various Databases. | It holds current operational data. |
| 7 | Here the tables are not normalized. | Here, the tables are normalized. |
| 8 | It allows only read and hardly write operations. | It allows both read and write operations. |
| 9 | Here, the complex queries are involved. | Here, the queries are simple. |
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