A few fixes to the access dialect
A few fixes to the access dialect

bootandy/sqlalchemy,graingert/sqlalchemy,epa/sqlalchemy,sandan/sqlalchemy,dstufft/sqlalchemy,elelianghh/sqlalchemy,ThiefMaster/sqlalchemy,halfcrazy/sqlalchemy,Cito/sqlalchemy,itkovian/sqlalchemy,Cito/sqlalchemy,Cito/sqlalchemy,wfxiang08/sqlalchemy,robin900/sqlalchemy,276361270/sqlalchemy,Akrog/sqlalchemy,davidfraser/sqlalchemy,itkovian/sqlalchemy,ThiefMaster/sqlalchemy,hsum/sqlalchemy,j5int/sqlalchemy,bdupharm/sqlalchemy,276361270/sqlalchemy,olemis/sqlalchemy,monetate/sqlalchemy,inspirehep/sqlalchemy,dstufft/sqlalchemy,halfcrazy/sqlalchemy,alex/sqlalchemy,pdufour/sqlalchemy,monetate/sqlalchemy,Akrog/sqlalchemy,sqlalchemy/sqlalchemy,brianv0/sqlalchemy,davidfraser/sqlalchemy,zzzeek/sqlalchemy,EvaSDK/sqlalchemy,alex/sqlalchemy,bootandy/sqlalchemy,j5int/sqlalchemy,brianv0/sqlalchemy,wfxiang08/sqlalchemy,olemis/sqlalchemy,EvaSDK/sqlalchemy,bdupharm/sqlalchemy,elelianghh/sqlalchemy,WinterNis/sqlalchemy,davidjb/sqlalchemy,davidjb/sqlalchemy,inspirehep/sqlalchemy,alex/sqlalchemy,wujuguang/sqlalchemy,graingert/sqlalchemy,pdufour/sqlalchemy,WinterNis/sqlalchemy,robin900/sqlalchemy,hsum/sqlalchemy,epa/sqlalchemy,wujuguang/sqlalchemy,sandan/sqlalchemy