Alice Rischert, formerly chair of Columbia University�s Database Application Development and Design program, has taught classes in Oracle SQL, PL/SQL, and database design to hundreds of students. Ms. Rischert�s wide-ranging technology experience encompasses systems integration, database architecture, and project management for a number of companies in the United States, Europe, and Asia. Ms. Rischert has presented on SQL and PL/SQL topics at Oracle conferences and has worked with Oracle since version 5.