udf user defined function造句

例句与造句

1. The solution for aggregation of timestamp durations is to use timestampdiff , a built - in udf user defined function that is included with db2 udb , as shown in the following example
   解决持续时间的聚合问题可以使用timestampdiff ，如下面的样本实例中所显示，它是使用db2 udb实现的嵌入式udf （用户定义的功能） 。
2. It's difficult to find udf user defined function in a sentence. 用udf user defined function造句挺难的