$sql_obfuscate = qq {
SELECT *
FROM clinvest.dbf a,
     clinvpmt.dbf b,
     clinvchg.dbf c,
	 ernames.dbf d,
	 ercontct.dbf e
WHERE a.CID = b.INVESTID
and a.CID = c.INVESTID
and a.NAMEID = d.NAMEID
and a.NAMEID = e.NAMEID
};