如何从包含值列表的字符串创建 XML

Question

如何创建 XML

<person>
    <item value="Emma"/>
    <item value="John"/>
</person>

来自类似

Emma;John

的字符串，使用 Oracle SQL 或 PL/SQL？

Answer 1

with strings(s) as (
    select 'Emma;John' from dual
)
select 
    xmlelement("person",
        xmlelement("item", xmlattributes( substr(s, 1, instr(s, ';')-1) as "value")),
        xmlelement("item", xmlattributes( substr(s, instr(s, ';')+1) as "value"))
)
from strings
;