Now that the view injects the filter predicate at the SQL level, DB2 can take advantage of the usual database techniques, that is index access.
现在，该视图在sql级注入过滤谓词，DB 2可以利用通常的数据库技术，即索引访问。
The index does not contain "price" elements at a deeper level, which may exist in the table and are potential matches for the predicate path $i//price.
索引没有包含更深层次的 “price” 元素，表中可能存在该元素且可能与谓词路径 $i//price 相匹配。
The inbound event is matched by the high-level monitor model according to the value of the correlation predicate.
高级监测模型根据关联谓词的值匹配入站事件。
应用推荐