Time Series: Device Readings with Metadata

CrateDB supports effective time series analysis with enhanced features for fast aggregations.

What’s Inside

  • Rich data types for storing structured nested data (OBJECT) alongside time series data.

  • A rich set of built-in functions for aggregations.

  • Relational JOIN operations.

  • Common table expressions (CTEs).

Analyzing Device Readings with Metadata Integration
Time Series: Advanced SQL

CrateDB provides enhanced features for querying time series data.

What’s Inside

  • Run aggregations with gap filling / interpolation, using common table expressions (CTEs) and LAG / LEAD window functions.

  • Find maximum values using the MAX_BY aggregate function, returning the value from one column based on the maximum or minimum value of another column within a group.

Analyzing Weather Data