listing 11-45.java

来自「手机游戏开发大全」· Java 代码 · 共 9 行

try {
  String query = new String ("UPDATE Customers " +
    "SET Discount = 0 " +
    "WHERE LastName IS NULL  ");
  DataRequest = Database.createStatement();
  DataRequest.executeUpdate (query);
  DataRequest.close();
}