In this process, it is possible that the values will be stored in the database as a different type, applying different criteria to the data attribute. ![]() This process is referred to as data type mapping. The types are matched to the closest database data type available. If you store your data in a database or a geodatabase in a database, ArcGIS data types and the data types of the database management system (DBMS) may not match directly. The data types described in this topic include those available when creating a feature class or table with ArcGIS. Choosing the correct data type allows you to correctly store the data and facilitates your analysis, data management, and business needs. ![]() The available types include a variety of number types, text types, date types, binary large objects (BLOBs), and globally unique identifiers (GUIDs). When you create feature classes and tables, you select a data type for each field.
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