At its most basic level, an ArcGIS geodatabase is a collection of geographic datasets of various types held in a common file system folder, or a multiuser relational database management system such as IBM Db2, Microsoft SQL Server, Oracle, PostgreSQL, or SAP HANA.

Various geodatabase elements are used to extend simple tables, features, and rasters to model spatial relationships, add rich behavior, improve data integrity, and extend the geodatabase's capabilities for data management.

A geodatabase is a container used to hold a collection of datasets. There are different types of geodatabases: File geodatabases—A file geodatabase is stored as multiple files in a folder with a .gdb extension. Each dataset is contained in a single file.

At its most basic level, an ArcGIS geodatabase is a collection of geographic datasets of various types held in a common file system folder, or a multiuser relational database management system (such as Oracle, Microsoft SQL Server, PostgreSQL, IBM Informix, or IBM Db2).

There are three types of geodatabases: File geodatabases—Stored as folders in a file system. Each dataset is held as a file that can scale up to 1 TB in size. The file geodatabase is recommended over personal geodatabases. Personal geodatabases—All datasets are stored within a Microsoft Access data file, which is limited in size to 2 GB.

There are three types of geodatabases supported in ArcGIS Pro: file, mobile, and enterprise geodatabases. The file geodatabase (.gdb) is the default geodatabase for your ArcGIS Pro projects. It exists as a collection of files in a folder on disk that store spatial and nonspatial data.

A geodatabase is a spatial data storage format that can contain multiple datasets of geographic features and non-spatial tabular data, as well as attachments, field domain definitions, and relationships between layers / tables.

There are many characteristics, or behaviors, of the data that can be included in a geodatabase using various techniques. As the data modeler, it is your job to explore the capabilities of ArcGIS to make the most eficient and flexible database possible.

At the end of 1999, Esri introduced the Geodatabase model as the native format used in its new ArcGIS software (branded Version 8.0 to maintain continuity with Arc/INFO). [7] Initially, it could be implemented as a multiuser geodatabase in ArcSDE on a …

In this tutorial, you will use ArcCatalog and ArcMap to create a geodatabase that models a water utility network. You will add behavior to the geodatabase by creating subtypes, validation rules, relationships, and a geometric network.