I have a table called vendors which have two field ven_txt_CompanyName and ven_txt_VendorName.
I have always some value for ven_txt_VendorName but ven_txt_CompanyName sometimes has value as NULL ,
or it have no value or sometimes it has value.Something like this.
ven_txt_CompanyName ven_txt_VendorName
Gift Emporium Mcpartland, Sandy
NULL Nicholson, Don
Jacks Wholesale Varela, Jimmy
Goggins, Jerry
NULL Swinson, Billy
Dee, Teresa
NULL Olsen, Ysa
So what I have to do is if ven_txt_VendorName is null or it contains blank value replace it with corresponding
ven_txt_CompanyName value else ven_txt_CompanyName value will remain as it is.