![]() ![]() A file geodatabase is a file folder that holds its dataset files.Īll the contents in each personal geodatabase are held in a single Microsoft Access file (.mdb). Concurrent use eventually degrades for large numbers of readers.Įach dataset is a separate file on disk. Single user and small workgroups with smaller datasets: some readers and one writer. ![]() ![]() Concurrent use of any specific file eventually degrades for large numbers of readers. Single user and small workgroups: many readers or one writer per feature dataset, stand-alone feature class, or table. Original data format for ArcGIS geodatabases stored and managed in Microsoft Access data files.(This is limited in size and tied to the Windows operating system.) ![]() (This is the recommended native data format for ArcGIS stored and managed in a file system folder.) Stored in a relational database using Oracle, Microsoft SQL Server, IBM Db2, IBM Informix, or PostgreSQL.Ĭomparing the three types of geodatabases Key characteristicsĪ collection of various types of GIS datasets held as tables in a relational database (This is the recommended native data format for ArcGIS stored and managed in a relational database.)Ī collection of various types of GIS datasets held in a file system folder.
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