SQLALL Keyword
ALL
TheALL command returns true if all of the subquery values meet the condition.
The following SQL statement returns TRUE and lists the productnames if ALL the records in the OrderDetails table has quantity = 10:
Example
SELECT ProductName
FROM Products
WHERE ProductID = ALL (SELECT ProductID FROM OrderDetails WHERE Quantity = 10);
Try it Yourself »FROM Products
WHERE ProductID = ALL (SELECT ProductID FROM OrderDetails WHERE Quantity = 10);

