Data Preaggregation | Dagster Glossary

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Data Preaggregation

See 'aggregate'.

Data preaggregation definition

Preaggregation is a specific type of aggregation that occurs before data is stored, aimed at optimizing query performance and reducing computational resources.

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Other data engineering terms related to
‘Data Aggregation and Summarization’:
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Aggregate

Combine data from multiple sources into a single dataset.
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Anomaly Detection

Identify data points or events that deviate significantly from expected patterns or behaviors.
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Consolidate

Combine multiple datasets into one to create a more comprehensive view of the data.
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Downsample

Reduce the amount of data for analysis, storage, or processing.
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Feature Extraction

Identify and extract relevant features from raw data for use in analysis or modeling.
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Feature Selection

Identify and select the most relevant and informative features for analysis or modeling.
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Sample

Extract a subset of data for exploratory analysis or to reduce computational complexity.