sql中insert into table select 在SQL中，INSERT INTO ... SELECT语句用于将一个或多个记录从一个表复制到另一个表。这是一个非常强大的工具，尤其当你需要根据另一个表的数据来填充新的记录时。基本的语法是这样的：sql INSERTINTOtarget_table (column1, column2, column3, ...)SELECTcolumn1, column2, ...
-- insert a row in the Customers tableINSERTINTOCustomers(customer_id, first_name, last_name, age, country)VALUES(5,'Harry','Potter',31,'USA'); Run Code Here, the SQL command inserts a new row into theCustomerstable with the given values. Example: SQL Insert Into Note:If you want t...
INSERT INTO table_a (col1a, col2a, col3a, …) SELECT col1b, col2b, col3b, … FROM table_b WHERE table_b.col1 = x; Example: INSERT data of big orders from the table of total orders, where the total amount of money is larger than $10,000: INSERT INTO sales.big_orders (...
看完这篇文章你会学习到以下内容: 1. 在创建或者写复杂逻辑时,做好备份 两种方法介绍: 1)INSERT INTO Table SELECT * FROM TABLE 2)CREATE TABLE AS ... ... Select * from TABLE 两者区别: INSERT INTO …
在SQL中,INSERT语句用于向数据库表中插入新的行。INSERT语句的用法有以下几种: 插入全部列:INSERT INTO table_name VALUES (value1, value2, …); 例如:INSERT INTO customers VALUES (1, ‘John’, ‘Doe’, ‘john@example.com’); 插入指定列:INSERT INTO table_name (column1, column2, …) VALUES...
The following SQL statement inserts a new record in the "Customers" table: ExampleGet your own SQL Server INSERTINTOCustomers (CustomerName, ContactName, Address, City, PostalCode, Country) VALUES('Cardinal','Tom B. Erichsen','Skagen 21','Stavanger','4006','Norway'); ...
一、select into from 语句形式为:Insert into Table2(field1,field2,...) select value1,value2,... from Table1 应用场景:常用于创建表的备份复件或者用于对记录进行存档 example1: SELECT*INTOdbo.t_Category20190327FROMdbo.t_CategoryWHEREParentId=0 ...
Example -- copy data to an existing tableINSERTINTOOldCustomersSELECT*FROMCustomers; Run Code Here, the SQL command copies all records from theCustomerstable to theOldCustomerstable. INSERT INTO SELECT Syntax The syntax of the SQLINSERT INTO SELECTstatement is: ...
INSERT 语句始终完全记入日志,只有在将 OPENROWSET 函数与 BULK 关键字一起使用或者在使用 INSERT INTO <target_table> SELECT <columns> FROM <source_table> 时除外。 这些操作可进行最小日志记录。 有关详细信息,请参阅本主题前面的“大容量加载数据的最佳做法”一节。 安全性 在链接服务器的连接过程中,发送服...
INSERT INTO SELECT Syntax Copy all columns from one table to another table: INSERTINTOtable2 SELECT*FROMtable1 WHEREcondition; Copy only some columns from one table into another table: INSERTINTOtable2(column1,column2,column3, ...) SELECTcolumn1,column2,column3, ... ...