復(fù)制代碼 代碼如下:

--1.創(chuàng)建測試表
create TABLE Table1
(
a varchar(10),
b varchar(10),
c varchar(10),
CONSTRAINT [PK_Table1] PRIMARY KEY CLUSTERED
(
a ASC
)
) ON [PRIMARY]

create TABLE Table2
(
a varchar(10),
c varchar(10),
d int,
CONSTRAINT [PK_Table2] PRIMARY KEY CLUSTERED
(
a ASC
)
) ON [PRIMARY]
GO
--2.創(chuàng)建測試數(shù)據(jù)
Insert into Table1 values('趙','asds','90')
Insert into Table1 values('錢','asds','100')
Insert into Table1 values('孫','asds','80')
Insert into Table1 values('李','asds',null)
GO
select * from Table2

--3.INSERT INTO SELECT語句復(fù)制表數(shù)據(jù)
Insert into Table2(a, c, d) select a,c,5 from Table1
GO

--4.顯示更新后的結(jié)果
select * from Table2
GO
--5.刪除測試表
drop TABLE Table1
drop TABLE Table2

復(fù)制代碼 代碼如下:

--1.創(chuàng)建測試表
create TABLE Table1
(
a varchar(10),
b varchar(10),
c varchar(10),
CONSTRAINT [PK_Table1] PRIMARY KEY CLUSTERED
(
a ASC
)
) ON [PRIMARY]
GO

--2.創(chuàng)建測試數(shù)據(jù)
Insert into Table1 values('趙','asds','90')
Insert into Table1 values('錢','asds','100')
Insert into Table1 values('孫','asds','80')
Insert into Table1 values('李','asds',null)
GO

--3.SELECT INTO FROM語句創(chuàng)建表Table2并復(fù)制數(shù)據(jù)
select a,c INTO Table2 from Table1
GO

--4.顯示更新后的結(jié)果
select * from Table2
GO
--5.刪除測試表
drop TABLE Table1
drop TABLE Table2