1
select extractvalue(SELECT CONCAT("'",(SELECT LCASE('<?xml version="1.0" encoding="utf-8" standalone="no"?>
<resp>
<dlrdtls>
<MessageId>43745973-737b-4c71-926f-797c0c9407a6</messageid>
<deliverystatus>failed</deliverystatus>
</dlrdtls>
</resp>')),"'"),'/resp/dlrdtls/messageid')
as id ;
我想提取標籤MessageId的值。mysql的ExtractValue函數不能正常工作
這是working.Thanks很多.. – user3612181