2.1 Geodatabases (file, enterprise) 2.2 Data models, schemas, domains, subtypes 2.3 Metadata standards Identification, Contact, Entity and Attribute, Temporal, Quality, Spatial Reference, Legal Geospatial Metadata Standards: Federal Geographic Data Committee (FGDC), ISO 19115, EPA, Esri, Inspire, and MEDIN 2.4 Data quality, accuracy, error handling 2.5 Spatial data acquisition and cleaning