ArcGIS – Joining and Relating Tables

(GIS_RD_02-36) In ArcGIS there are generally two types of tables: those associated with spatial data, such as a feature attribute table, and stand-alone tables that have no tie to map features (e.g., non-spatial statistical data).

The link address is: http://www.pop.psu.edu/gia-core/pdfs/gis_rd_02-36.pdf