I have nopcommerce 4.20 with netcore 2.2, i want to upgrade 4.30 with netcore 3.1 ,but its not work perfectly. I need clear setup with product,categories and tags. When i use export from 4.20 to excel and try import to 4.30 its have many issue(id's different).
So i need create sql bulk insert commands for Product,Categories,Tags. How to do it?
I have little(about 2-3 years experience) know sql and c# .net and netcore.
Important: I have good index on google when i try fresh install my old links gone and my seo is will be bad. I need copy old url to new shop.