Right now, there is basically no data available, and it's very difficult to have access to the data that exists.
他说：“目前基本上是没有数据可查，取得现有的数据非常困难。”
You can fetch values from the result set into the bound application variables by calling the SQLFetch repeatedly until there is no data available.
您可以通过重复调用SQLFetch函数，将结果集中的值读取到绑定的应用程序变量中，直到没有可用的数据为止。
In the traditional polling method, the client sends a request to the server and always either gets an immediate response if the server has any updated data, or a no-data-available response.
在传统的轮询方法中，客户机发送一个请求到服务器，然后总是可以收到一个即时响应(如果服务器有更新数据)或者一个“无可用数据”的响应。
In the traditional polling method, the client sends a request to the server and always either gets an immediate response if the server has any updated data, or a no-data-available response.
在传统的轮询方法中，客户机发送一个请求到服务器，然后总是可以收到一个即时响应(如果服务器有更新数据)或者一个“无可用数据”的响应。
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