FROM命令用于指定从哪个表中选择或删除数据。
以下SQL语句从“Customers”表中选择“CustomerName”和“City”列:
SELECT CustomerName, City FROM Customers;
以下SQL语句从“Customers”表中选择所有列:
SELECT * FROM Customers;
以下SQL语句从“Customers”表中删除客户“ Alfreds Futterkiste”:
DELETE FROM Customers WHERE CustomerName='Alfreds Futterkiste';