显然这并不像使用一个单一索引的有序列表那样简单,但是它可以做到。
Obviously, this is not as trivial as using a single index's ordered list, but it can be done.
定义参数化的查询,这种查询可以以有序列表形式接收参数(按索引号引用参数),也可以采用按名称引用的命名参数。
Definition of parameterized queries that can take parameters as an ordered list, referred to by index Numbers, or as named parameters referred to by name.
现在,如果最适合DB2用于避免数据排序的索引不是有序列表,而是随机的,会发生什么?
Now, what happens if the index that would have been ideal for DB2 to use to avoid a data sort is not an ordered list, but rather random?
应用推荐