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N_XVIA()
Specify the default RDD

Syntax
N_XVIA([<cRDD>])

RDD Syntax
SET RDD TO [<cRDD>]

Argument
<cRDD> is the default RDD to be used for database commands and functions. 
Generally this is DBFNTX, but it is possible the make RQBRDD the default RDD 
and not link in DBFNTX.
N_XVIA("") or SET RDD TO will reset the default RDD to its startup value.

Returns
N_XVIA() with no parameters returns the current default RDD name.

Remarks
Allows you to specify the default RDD to be used for database commands and 
functions. The only command that currently allows an explicit override is 
the USE command.  In Clipper 5.2 N_XVIA optionally takes the place of the 
RDDSETDEFAULT function.  In Clipper 5.0x, N_XVIA must take the place of the  
DBSETDRIVER function since this built-in Clipper function does not work 
properly.

Works similarly to RDDSETDEFAULT  (Clipper 5.2 or later) or DBSETDRIVER 
(Clipper 5.0x).  However, since DBSETDRIVER has a bug in it, we recommend 
that you always use N_XVIA in Clipper 5.0x.