Unless you have a small amount of data, this would slow runtime performance.
除非数据量不大，否则这样做会降低运行时性能。
This approach is advantageous if the amount of data to be retrieved is relatively small.
如果检索的数据量较小，这种方法比较有利。
This approach is advantageous if the amount of data to be retrieved is relatively small.
如果检索的数据量较小，这种方法比较有利。
应用推荐