📅  最后修改于: 2022-03-11 15:05:25.691000             🧑  作者: Mango
Specifies which table to select or delete data from.
Example: Selects data from the users table.
SELECT area_manager
FROM area_managers
WHERE EXISTS (SELECT ProductName FROM Products WHERE
area_manager_id = deals.area_manager_id AND Price < 20);