CBOE Exchange Data In MS SQL 2008 R2 - Options on ETFs - SQL Query

SELECT dbo.DBC_CALLS$.id, dbo.DBC_PUTS$.id,  dbo.DBC_CALLS$.underlying_last, dbo.DBC_CALLS$.quotedate, dbo.DBC_CALLS$.symbol_root, dbo.DBC_CALLS$.strike, dbo.DBC_PUTS$.symbol_root, dbo.DBC_PUTS$.strike
FROM dbo.DBC_CALLS$
INNER JOIN dbo.DBC_PUTS$
ON dbo.DBC_CALLS$.quotedate=dbo.DBC_CALLS$.quotedate