SQL SELECT INTO 关键字

SELECT INTO

SELECT INTO 命令从一个表中复制数据,并将其插入到一个新表中。

以下 SQL 语句创建了 Customers 的一个备份副本:

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 语句仅将几个列复制到新表中:

SELECT CustomerName, ContactName INTO CustomersBackup2017
FROM Customers;

以下 SQL 语句仅将德国客户复制到新表中:

SELECT * INTO CustomersGermany
FROM Customers
WHERE Country = 'Germany';

以下 SQL 语句从多个表中复制数据到新表中:

SELECT Customers.CustomerName, Orders.OrderID
INTO CustomersOrderBackup2017
FROM Customers
LEFT JOIN Orders ON Customers.CustomerID = Orders.CustomerID;