EXTRACT
(a EXTRACTVALUE
) jsou zastaralé funkce. Měli byste použít XMLTABLE
místo toho:
with sample_data as (select xmltype('<film>
<title>Godfather, The</title>
<year>1972</year>
<directors>
<director>Francis Ford Coppola</director>
</directors>
<genres>
<genre>Crime</genre>
<genre>Drama</genre>
</genres>
<plot>Son of a mafia boss takes over when his father is critically wounded in a mob hit.</plot>
<cast>
<performer>
<actor>Marlon Brando</actor>
<role>Don Vito Corleone</role>
</performer>
<performer>
<actor>Al Pacino</actor>
<role>Michael Corleone</role>
</performer>
<performer>
<actor>Diane Keaton</actor>
<role>Kay Adams Corleone</role>
</performer>
<performer>
<actor>Robert Duvall</actor>
<role>Tom Hagen</role>
</performer>
<performer>
<actor>James Caan</actor>
<role>Sonny Corleone</role>
</performer>
</cast>
</film>') x from dual)
select x.*
from sample_data sd,
xmltable('/film[title="Godfather, The"]/cast/performer' passing sd.x
columns actor varchar2(50) path '//actor',
role varchar2(50) path '//role') x;
ACTOR ROLE
-------------------------------------------------- --------------------------------------------------
Marlon Brando Don Vito Corleone
Al Pacino Michael Corleone
Diane Keaton Kay Adams Corleone
Robert Duvall Tom Hagen
James Caan Sonny Corleone
(Sloupec role jsem zahrnul pouze pro další informace; tento sloupec byste pouze odstranili ze seznamu sloupců v XMLTABLE
část, pokud ji nepotřebujete vidět.)