command tests for the existence of any record in a subquery, and returns true if the subquery returns one or more records. The following SQL lists the suppliers with a product price less than 20:Example SELECT SupplierNameFROM SuppliersWHERE EXISTS (SELECT ProductName FROM Products WHERE Supplier...
Exercise? What does the SQL ALL operator do? Returns TRUE if all subquery values meet the condition Returns TRUE if any subquery value meets the condition Returns all columns from the table Returns only distinct rows from the tableSubmit Answer »...
SQL ALL Keyword❮ SQL Keywords ReferenceALLThe ALL 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:...