SQL Server大数据量插入

SQL Server大数据插入方法比较多，下面我们先谈谈Bulk insert 方法。

首先，我们创建一张TABLE，如下面T-SQL脚本:

 create table TestTable2

  (id int,

  amount int check(amount >=1000 and amount<=5000))

假设有这样的文本数据 testdata.txt：

1    700

2    2000

3    870

4    4500

下面这个语句不检查约束:

1:  bulk insert TestTable2

2:  from 'D:\testdata\testdata.txt'

3:  with

4:  (fieldterminator=',',

5:  rowterminator='\n')

这个是启用约束的：

1:  bulk insert TestTable2

2:  from 'D:\testdata\testdata.txt'

3:  with 

4:  (fieldterminator=',', 

5:  rowterminator='\n',

6:  check_constraints)

7:  select * from test

还可以使用FIRSTROW和LASTROW限制行数。如下COPY前三行：

1:  bulk insert TestTable2

2:  from 'D:\testdata\testdata.txt'

3:  with

4:  (fieldterminator=',',

5:  rowterminator='\n',

6:  FIRSTROW =1,

7:  LASTROW=3)

使用ERRORFILE选项 错误处理，如下记录到d:\error.txt

1:  bulk insert test

2:  from 'D:\testdata\testdata.txt'

3:  with

4:  (fieldterminator=',',

5:  rowterminator='\',

6:  FIRSTROW =1,

7:  LASTROW=3,

8:  ERRORFILE ='F:\error.txt',

9:  check_constraints)