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;