select CategoryID, istopic from (
SELECT
CategoryID,
EXISTS (SELECT * from topics_equivalence te WHERE te.categoryid=acl.categoryid) as istopic
FROM
eZArticle_ArticleCategoryLink acl
WHERE
acl.ArticleID=58049
) as subquery
11.05.2002
Six international organisations have joined forces to create ItrainOnline, a technology resource centre for people who want to learn how to use the Internet effectively for social justice and sustainable development.
