
   IF NOT EXISTS (SELECT 1 FROM SYS.INDEXES WHERE NAME = 'IX_EST_NF_ENT_EST_NF_SAI_TRANSF_CD_EMP_CD_NF_ENT')
   BEGIN 
		CREATE NONCLUSTERED INDEX [IX_EST_NF_ENT_EST_NF_SAI_TRANSF_CD_EMP_CD_NF_ENT]
		ON [dbo].[EST_NF_ENT_EST_NF_SAI_TRANSF] ([CD_EMP],[CD_NF_ENT])
   END 