all of the tables used by PowerStore 3 are prefaced with ps3_. you should use the ps3_products table.
Once the products are in the table, you can edit them in the admin interface to assign them to categories.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.