*DEFAULT-DATABASE-TYPE* — The default database type to useVariable
The value of this variable is used in calls to
initialize-database-type
and
connect
as the default value of the
database-type
parameter.
If the value of this variable is NIL
,
then all calls to
initialize-database-type
or
connect
will have to specify the
database-type
to use, or a
general-purpose error will be signalled.