"primary key(aid)",
"grouping foreign key (cid) references customer(cid)");
createIndex("schema", "customer", "idx_cname", "name");
createIndex("schema", "orders", "idx_osalesman", "salesman");
createIndex("schema", "address", "idx_aaddress", "address");
schema = new Schema(ais());
customerRowType = schema.tableRowType(table(customer));
orderRowType = schema.tableRowType(table(order));
itemRowType = schema.tableRowType(table(item));
addressRowType = schema.tableRowType(table(address));
customerNameIndexRowType = indexType(customer, "name");