The geodatabase is a collection of geographic datasets of various types used in ArcGIS and managed in either a file folder or a relational database. It is the native data source for ArcGIS and is used for editing and data automation in ArcGIS.
Types of geodatabases
- Personal geodatabase - Stored in Access. 2 GB size limit, but effective size is 250 to 500 MB per geodatabase. Windows only. Supports a single editor and a few readers. No versioning support.
- File geodatabase - Stored in a file folder. Up to 1 TB per dataset. Any platform. Supports a single editor and a few readers. No versioning support.
- ArcSDE geodatabase - Stored in a RDBMS (Oracle, SQL Server, DB2, Informix). Supports many editors and many readers. Uses ArcSDE. Provides versioning and multiuser support.
|File||MARIS 2010 MS Highways|
|File||MDEM 2007 Gulf Coast Region Vector Data|
|File||MDEM 2007 Gulf Coast Region Building Data|