Geodatabases

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.

Release of spatial data by MARIS is governed by the following legal policy:
The information contained on this website and data distributed by the Board of Trustees / Institutions of Higher Learning's MARIS Technical Center (MTC) is derived from a variety of public and private sector sources considered to be dependable, but the accuracy, completeness, and currency thereof are not guaranteed. The IHL/MTC makes no warranties, expressed or implied as to the accuracy, completeness, currency, reliability, or suitability for any particular purpose of information or data contained in or generated from the state geographic database. Additionally, the State of Mississippi, the Board of Trustees for IHL or any employee thereof assume no liability associated with the use of these data, and assume no responsibility to maintain them in any manner or form.