sql 表内容复制 INSERT INTO Select语法

sql 表内容复制 insert into select语法

insert into 新表(字段1,字段2,.......) select 字段1,字段2,...... from 旧表

_connect("localhost","root","123456");
mysql_select_db("db_test");
mysql_query("set names 'utf8'");
$query = mysql_query("insert into test2(id,title,date) select id,title,date from test1");
if($query){
echo "ok";exit;
}

mssql 用法

--2.创建测试数据
insert into table1 values('赵','asds','90')
insert into table1 values('钱','asds','100')
insert into table1 values('孙','asds','80')
insert into table1 values('李','asds',null)
go

--3.select into from语句创建表table2并复制数据
select a,c into table2 from table1
go

--4.显示更新后的结果
select * from table2
go
--5.删除测试表