Distinct molecules called agglutinogens (a type of antigen) are attached to the surface of red blood cells. There are two different types of agglutinogens, type A and type B. Each type has different properties.
MDB: Geodatabase. The geodatabase is a collection of geographic datasets of various types, with the most basic types being vector, raster, and tabular data. There are three types of geodatabases: file, personal, and ArcSDE. Geodatabases are the native data format for ESRI's ArcGIS.
ArcGIS does not support multiple geometry columns in a table. Tables with multiple SDO_GEOMETRY columns should be accessed through views that contain only one SDO_GEOMETRY column. To use data in an Oracle Spatial table that contains multiple spatial columns, create a spatial view using SQL. This view should only contain one spatial column.