After you have installed the Vertica client on your SQL Server database host you can create Linked Server this can be very useful.
Here is the syntax you can use to make this happen.
EXEC dbo.sp_addlinkedserver
@server = N'SRV_VERTICA',
@srvproduct=N'',
-- SQL Server driver
@provider=N'MSDASQL',
-- Connection string
@provstr=N'Driver=Vertica;
Servername=ServerName;
Port=5430;
Database=DatabaseName;
UserName=user;
Password=pass'
select * from OPENQUERY (SRV_VERTICA, 'SELECT getdate()')
getdate
---------------------------
2015-05-08 11:21:12.3058180
(1 row(s) affected)