WHat is wring with the following three sentences?
SELECT p.name, p.gender, e.pizza FROM Person p, Eats e WHERE p.name =
e.name AND p.gender = 'female' AND (e.pizza = 'mushroom')
INTERSECT
SELECT p.name, p.gender, e.pizza FROM Person p, Eats e WHERE p.name =
e.name AND p.gender = 'female' AND
Hi,
EXISTS function provides a simple way to find intersection between tables
(INTERSECT operator from relational model).
If we have table1 and table2, both having id and value columns, the
intersection could be calculated like this:
SELECT * FROM table1 WHERE EXISTS(SELECT * FROM table2 WHERE
