So you are getting a product join then or is it a performance problem? You didn't explain what the problem is or what you want to accomplish.
I don't know exactly what you are trying to do, but I think you might need to normalize your tables to 3rd normal form.
There are many solutions. General solutions that come to mind:
1. Do nothing - does the NUPI cause a performance slowdown? If not then leave it.
2. Add another column to the NUPI to decrease skew. You didn't say what the other cols are but this might work if you add a NUSI on the original...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.