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AWS Glue Crawler is a component that automatically scans data sources, infers schemas, and creates metadata tables in the AWS Glue Data Catalog.

Last Modified: August 29, 2025
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Details

Name
Crawler
Category
Analytics
Tags
data scan schema automation metadata AWS Glue

Key Features

  • Automatically scans data sources to detect schema and metadata.
  • Populates AWS Glue Data Catalog entries.
  • Supports incremental crawls for efficiency.
  • Integrates with Amazon S3, RDS, Redshift, and JDBC sources.

Common Use Cases

  • Automatically discovering and cataloging new datasets in S3
  • Updating schema changes in AWS Glue Data Catalog
  • Classifying data by file type and structure for ETL jobs
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