dbOBJECT.define_table(" ", Field(" " , " ", length= , " ", notnull=True, default= None default=None , "reference " , unique=True ) , ) """ database class object creation (initialization) """ if request.env.web2py_runtime_gae: # if running on Google App Engine dbOBJECT = DAL('gae') # connect to Google BigTable session.connect(request, response, db=dbOBJECT) # and store sessions and tickets there else: # else use a normal relational database dbOBJECT = DAL("sqlite://dbOBJECT.db") """ Relations between tables (remove fields you don't need from requires) """ dbOBJECT. . .requires=IS_IN_DB( dbOBJECT, ' .id', ' %( )s ')