Meaning of OLTP (Online Transaction Processing)

Simple definition

OLTP systems handle fast, real-time transactional data like payments and bookings.

How to use OLTP (Online Transaction Processing) in a professional context

They power day-to-day operations in finance, retail, and travel.

Concrete example of OLTP (Online Transaction Processing)

Amazon processes millions of orders using OLTP systems instantly.

How do you optimize OLTP performance?

With indexing, normalization, and partitioning.

Can OLTP and OLAP run on the same system?

Not ideally; mixing workloads can hurt performance, but hybrid systems exist.

What databases are used for OLTP?

MySQL, PostgreSQL, SQL Server, Oracle.
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