If you want it really correct then first read this. That's what you'll have to implement. If you want to do that kind of validation I recommend you buy a data cleansing tool that's specifically designed for that purpose.
If you want it really correct then first read this. That's what you'll have to implement. If you want to do that kind of validation I recommend you buy a data cleansing tool that's specifically designed for that purpose.
Thank again for your reply, I am doing visualizations of data to soft-check data quality, this is user requriment and i am try to fill. They are using Qlikview 11 and want to manage some data quality in it, i know very well format validation in data is difficult and some not possible.
