SharePoint Lists vs Database Tables performance

Question

1. We are looking to store transactional data in SharePoint lists. The lists will easily grow to 100,000+ items.
2. How would the query performance be compared with que

Answer 1

+1 No

SharePoint primarily function is collaboration. In your case you will just list the data as read-only. In your situation I would recommend to store the data into SQL DB, if you need to display it in SharePoint portal you can use BDC or something like Bamboo Data View web part. http://store.bamboosolutions.com/p-71-data-viewer-web-part.aspx