SQL SELECT INTO 关键字
SELECT INTO
SELECT INTO
命令从一个表复制数据并将其插入到新表中。
以下SQL语句创建Customers的备份副本:
SELECT * INTO CustomersBackup2017
FROM Customers;
以下SQL语句使用IN子句将表复制到另一个数据库中的新表中:
SELECT *INTO CustomersBackup2017 IN 'Backup.mdb'
FROM Customers;
以下SQL语句仅将几列复制到新表中:
SELECT CustomerName, ContactName INTO CustomersBackup2017
FROM Customers;
以下SQL语句仅将德语客户复制到新表中:
SELECT * INTO CustomersGermany
FROM Customers
WHERE Country = 'Germany';
以下SQL语句将多个表中的数据复制到新表中:
SELECT Customers.CustomerName, Orders.OrderID
INTO CustomersOrderBackup2017
FROM Customers
LEFT JOIN OrdersON Customers.CustomerID = Orders.CustomerID;