TechHacker Noonabout 6 hours ago
OLTP vs OLAP: App Databases vs Analytics
7 min read
PostgreSQL handles atomic transactions (OLTP) but struggles with analytical queries (OLAP) like aggregations over millions of rows. Analytical databases like ClickHouse use columnar storage, reading only needed columns, which cuts query time from minutes to seconds. OLTP and OLAP serve different workloads and are partners, not competitors.
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