WHERE 0=0 will do nothing, so you can probably remove it. Do you have a LIMIT in your query? It seems odd this would slow anything down.
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.