EXCEL 导入SQL SERVER存储过程
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER proc [dbo].[pr_xls_to_tb]
@path varchar(200),--EXCEL路径名
@tbName varchar(30),--表名
@stName varchar(30) --excel中要读的SHEET名
as
declare @sql varchar(500),--最后要执行的SQL
@stName_Real varchar(35),--真正的SHEET名
@drop_sql varchar(300) -- 如果表已存在，先删除
set @stName_Real = '[' + @stName + '$]'
--set @path = 'C:\Inetpub\wwwroot\CarStock_ExcelWeb\Upload\CarStock\国贸汽车库存表20090630.xls'
--set @tbName = 't32'
--set @stName = '[不良资产$]'
set @sql =
'SELECT *
into '+ @tbName +'
from OpenDataSource(' + char(39)+ 'Microsoft.Jet.OLEDB.4.0' + char(39)+', '
+ char(39) +'Data Source=' + @path +';User ID=Admin;Password=;Extended properties=Excel 5.0;' + char(39)+')...'+@stName_Real
set @drop_sql = '
if exists(select * from sysobjects where name = ' + char(39) +@tbName + char(39)+')
begin
drop table '+@tbName+'
end '
--print @drop_sql
exec (@drop_sql)--先删除表
exec (@sql)--再创建表
/*
exec sp_configure 'show advanced options',1
reconfigure
exec sp_configure 'Ad Hoc Distributed Queries',1
reconfigure
*/
调用:
exec pr_xls_to_tb 'C:\Tools\预算数据\ys_200908.xls' ,'ys_200908_new' ,'Source'
相关文档：
Group functions
SELECT [column,] group_function(column) ... from table [WHERE condition] [GROUP BY group_by_expression] [ORDER BY column];
e.g.:
SELECT department_id, job_id, SUM(salary), COUNT(employee_id) from employees GROUP BY department_id, job_id ;
SELECT [column,] group_function(column).. ......
(注:outer的意思就是"没有关联上的行"。)
1.cross join 全外连接(笛卡尔乘积)
SELECT A.*, B.* from A FULL OUTER JOIN B ON A.ID = B.ID
2.inner join 内连接(在笛卡尔乘积的结果集中去掉不符合连接条件的行)
SELECT A.* from A INNER JOIN B ON A.ID=B.ID
3.left outer join 左外连接(在inner join的结� ......
---附加数据库
sp_attach_db '数据库名','数据库全路径','数据库日志全路径'
---查看数据库逻辑文件名
RESTORE FILELISTONLY from disk = '备份文件'
---还原数据库
restore database hzrb from disk = '备份文件'
with move '主逻辑名' to '存放mdf路径' ......
in 的话， 如果是null 就不比较了，既不是in 也不是 not in
exists的话 因为用 = 加在条件里比较了，所以 null 是 not exists
select *
from pricetemp
where cast(商品コード as varchar(10))not in(
select shohin_cd
&nbs ......
首先要添加
using System.Data;
using System.Data.SqlClient;
接下来：
SqlConnection conn = new SqlConnection("server=QLPC\\SQL2005;uid=sa;pwd=（你的密码）;database=（你的数据表）"); &n ......
