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What is a file geodatabase?

A file geodatabase is a collection of files in a folder on disk that can store, query, and manage both spatial and nonspatial data.

You create a file geodatabase in ArcGIS.

File geodatabases are made up of seven system tables plus user data. User data can be stored in the following types of datasets:

  • Feature class
  • Feature dataset
  • Mosaic dataset
  • Raster catalog
  • Raster dataset
  • Schematic dataset
  • Table (nonspatial)
  • Toolboxes

Feature datasets can contain feature classes as well as the following types of datasets:

  • Attachments
  • Feature-linked annotation
  • Geometric networks
  • Network datasets
  • Parcel fabrics
  • Relationship classes
  • Terrains
  • Topologies

The default maximum size of datasets in file geodatabases is 1 TB. The maximum size can be increased to 256 TB for large datasets (usually raster). This is controlled by a configuration keyword. See Configuration keywords for file geodatabases for more information.

File geodatabases can also contain subtypes and domains and participate in checkout/check-in replication and one-way replicas.

A file geodatabase can be accessed simultaneously by several users. If the users are editing, they must edit different datasets.

Related topics

  • Types of geodatabases
  • Use SQL for reporting and analysis on file geodatabases

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