Enables External Database Access as defined in the Access external databases properties on the System Environmental Options screen. By default, the setting is EXT+ (enabled). Security is Controller.

:EXT displays current setting of External Database Access.

:EXT+ enables External Database Access.

:EXT- disables External Database Access.

The :EXT command takes the forms:

:EXT+ DB1 or DB2
:EXT- DB1 or DB2