public WOComponent update() {
sql = "";
try {
EOAdaptor adaptor = EOAdaptor.adaptorWithModel(model);
EOSchemaGeneration synchronizationFactory = adaptor.synchronizationFactory();
NSArray array = synchronizationFactory.createTableStatementsForEntityGroup(new NSArray(selectedEntity));
sql = ((NSArray)array.valueForKeyPath("statement")).componentsJoinedByString(";\n");
} catch(Exception ex) {
sql = "" + ex;
}