IF  NOT EXISTS (SELECT * FROM sys.indexes WHERE object_id = OBJECT_ID(N'[dbo].[RC_VD_CONV]') AND name = N'IDX_RC_VD_CONV_DT_VD')
BEGIN 
CREATE NONCLUSTERED INDEX IDX_RC_VD_CONV_DT_VD
ON [dbo].[RC_VD_CONV] ([DT_VD])
INCLUDE ([CD_EMP],[CD_CTR],[VLR_CONV])
END