In DB2 Net search Extender, limiting text search to specific elements or sub-trees of the XML documents is expressed by a fully qualified XPath.
在DB 2 Net Search Extender中，将文本搜索限制到XML文档的特定元素或子树是用一个完全限定的XPath表达的。
After starting Net search Extender, enable the DB2 database for text search operations.
在启动Net Search Extender之后，对DB 2数据库启用文本搜索操作。
Rather than sequentially searching through the text data using string matching, as done with the XQuery contains function, Net search Extender USES a text index.
Net Search Extender并不使用字符串匹配连续地搜索文本数据(就像XQuery contains函数所做的那样)，而是使用文本索引。
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