sql - 通过 SQL 查询 XML

Question

我有一个 XML 列：

<xmlList> 
   <XMLEntity> 
      <sug>ACHER</sug>
   </XMLEntity>

  <XMLEntity> 
      <sug>DOA</sug>
   </XMLEntity>
</xmlList>

sug只能容纳一个枚举成员（或ACHER）DOA。我想检查是否存在sug没有这些值之一。

通过这种方式，我只得到 sug 节点，它是枚举值之一：

SELECT XMLSERIALIZE(XMLQUERY ('//xmlList/XMLEntity/sug[.="ACHER"]' passing 
KTOVET ) as char large object) as XXX ,

XMLSERIALIZE(XMLQUERY ('//xmlList/XMLEntity/sug[.="DOA"]' passing 
KTOVET ) as char large object) as YYY   

FROM "TABLE" 

我想获取值不是枚举值之一的sug节点。可能的？如何获取其值为“ACHER”的 sug 节点？

Answer 1

SELECT XMLSERIALIZE(XMLQUERY ('//xmlList/XMLEntity/sug[.!="ACHER" and .!="DOA"]'  
passing KTOVET ) as char large object) as XXX

FROM "TABLE"