Erro: [Microsoft][SQL Server Native Client 10.0]TCP Provider: The semaphore timeout period has expired.
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SELECT DISTINCT ATR.atr_ndx, ATR.atr_id, ATR.atr_dsc_prt, ATR.atr_vlr, ATR.atr_ficha, CID.catr_atr_vlr, EXT.ext_prt FROM sys_atrib ATR LEFT OUTER JOIN sys_cidades_atrib CID ON ATR.atr_id = CID.catr_atr_id AND CID.catr_cid_id = 4537 LEFT OUTER JOIN sys_cidades_atrib_ext EXT ON CID.catr_id = EXT.ext_catr_id WHERE ATR.atr_grp = 'C' AND ATR.atr_opt = 0 ORDER BY ATR.atr_ndx