SQL Query Syntax Error - Spaces in Field Names
SELECT * FROM 'OV2 BAS' AS bas
INNER JOIN 'OV2 RefID' AS ids ON 'bas.Ref ID' = 'ids.Ref ID'
WHERE ids.ENUM_H = 'TDischarge';

SELECT * FROM [OV2 BAS] AS bas INNER JOIN [OV2 RefID] AS ids ON bas.[Ref ID] = ids.[Ref ID] WHERE ids.ENUM_H = 'TDischarge';

SELECT * FROM [OV2 BAS] AS bas
INNER JOIN [OV2 RefID] AS ids ON bas.[Ref ID] = ids.[Ref ID]
WHERE ids.ENUM_H = 'TDischarge';

SELECT *
FROM [OV2 BAS] AS bas
     ^^^^^^^^^