Category "correlated-subquery"

Querying pivot table to return a list of referred rows

I have these 6 tables and query which returns everything I want, but I want to add a new pivot table, so I can get a list of rows linked to it. Query: SELECT DI

SQL ZOO List each continent and the name of the country that comes first alphabetically

Im confused why it could not be Select x.continent, x.name From world x Where x.name <= ALL (select y.name from world y where x.name=y.name) ORDER BY name