Home Database Mysql Tutorial INSERT INTO 与 SELECT INTO 的区别和使用

INSERT INTO 与 SELECT INTO 的区别和使用

Jun 07, 2016 pm 05:44 PM
insert select use the difference

SQL Server提供了两种快速复制表的方法,正好最近又用到了,记下: (1)INSERT INTO TableName1 SELECT columnNames FROM TableName2 WHERE TableName2.Column1 ='' and TableName2.Column2 ='' 这种方法适用于TableName1表 已经存在的情况下 ,把表TableNa

SQL Server提供了两种快速复制表的方法,正好最近又用到了,记下:

(1)INSERT INTO TableName1 SELECT columnNames FROM TableName2 WHERE TableName2.Column1 ='' and TableName2.Column2 =''

     这种方法适用于TableName1表已经存在的情况下,香港虚拟主机,服务器空间,把表TableName2中满足条件的记录追加到TableName1表中。

    

create table A ( Name nvarchar(10), Birthday date ) create table B ( Name nvarchar(10), Birthday date ) , ) , ) insert into B(Name,Birthday) ,服务器空间

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