![]() You can make these associations in several ways, including by joining or relating tables temporarily in your map or by creating relationship classes in your geodatabase that maintain more permanent associations. Some fields, such as the unique identifier number ( Object ID) and Shape, are automatically added, populated, and maintained by ArcGIS.ĪrcGIS allows you to associate records in one table with records in another table through a common field, known as a key. These include the Shape field for point, line, and polygon feature classes and the BLOB field for annotation feature classes. Each field can store a specific type of data, such as a number, date, or piece of text.įeature classes are tables with special fields that contain information about the geometry of the features. ![]() In ArcGIS, rows are known as records and columns are fields. In the simplest terms, tables are made up of rows and columns, and all rows have the same columns. Tabular information is the basis of geographic features, allowing you to visualize, query, and analyze your data. ![]() ![]()
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