A fledgling unit of Microsoft will this week unveil the first fruits of its labor around a multi-year effort to knit together its collection of incompatible business management programs. The business unit, called <A HREF="http://news.zdnet.com/2100-3513_22-5600576.html?tag=zdnn.alert">Microsoft Business Solutions,</A> represents Microsoft's foray into the so-called enterprise resource planning, or ERP, software market in which Oracle and Germany's SAP are wrestling for global dominance. The programs from each company are designed to automate a broad set of corporate tasks, from fielding customer service calls to organizing assembly lines.