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Data & Analytics · Intermediate

Time-Series Database (TSDB)

A database optimized for timestamped measurements, offering fast ingestion, time-based compression, retention and windowed aggregation.

Definition

Examples include InfluxDB, TimescaleDB, Prometheus and Azure Data Explorer / Fabric Eventhouse. TSDBs provide downsampling, retention policies and functions for rates and moving windows.

Exam tip

Metrics and sensor readings with time-window queries suit a time-series database.

Related terms