software

OLTP

Online Transaction Processing

Definition

OLTP databases are optimized for high-throughput, low-latency transactional workloads — inserting, updating, and querying individual records. Row-oriented storage and ACID transactions are hallmarks of OLTP systems like PostgreSQL, MySQL, and Oracle.

OLTP databases power application backends; ETL/ELT pipelines replicate their data to OLAP systems for analytics.

Related Terms

OLAP

Online Analytical Processing

ACID

Atomicity, Consistency, Isolation, Durability

ORM

Object-Relational Mapping

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