ODBC
Standard Security
Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;Uid=Admin;Pwd=;
Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb
Workgroup
Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;SystemDB=C:/mydatabase.mdw;
Exclusive
Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;Exclusive=1;Uid=admin;Pwd=;
Enable admin statements
Driver={Microsoft Access Driver (*.mdb)};Dbq=C:/mydatabase.mdb;Uid=Admin;Pwd=;ExtendedAnsiSQL=1;
OLE DB, OleDbConnection (.NET)
Standard security
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/mydatabase.mdb;User Id=admin;Password=;
With database password
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/mydatabase.mdb;Jet OLEDB:Database Password=MyDbPassword;
Workgroup (system database)
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/mydatabase.mdb;Jet OLEDB:System Database=system.mdw;
Workgroup (system database) specifying username and password
Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/mydatabase.mdb;Jet OLEDB:System Database=system.mdw;User ID=myUsername;Password=myPassword;