vba 将excel插入sql数据库
Private Sub insert1_click()
Dim iCount As Integer
Dim cn
Set cn = CreateObject("ADODB.Connection")
cn.ConnectionString = "Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Password=8233;Initial Catalog=hskmis;Data Source=127.0.0.1"
cn.Open
cn.Execute ("delete temp9")
'计算该表有多少行
RowCount = Worksheets("FC").UsedRange.Rows.Count
'行循环
For irow = 1 To RowCount
strRecord = ""
'列循环,假设有五列,从第一列开始
For icol = 1 To 5
If icol <> 5 Then
strRecord = strRecord & "'" & Worksheets("FC").Cells(irow, icol).Value & "'" & ","
Else
strRecord = strRecord & "'" & Worksheets("FC").Cells(irow, icol).Value & "'"
End If
Next
MsgBox strRecord
Sql = cn.Execute("insert into temp9 values(" & strRecord & ")")
Next
MsgBox "插入完成"
End Sub
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Cross Apply使表可以和表值函数结果进行join，在下面的示例中建了两个表和一个表值函数，T_b的列a_ids中会存放a表的id用,分割的字符串连接；我们通过cross apply使T_a，T_b表通过splitIDs inner join 连接。请看示例：GO
if object_id('T_a','U') is not null
drop table T_a
GO
CREATE TABLE T_a( ......
1.先启用 xp_cmdshell 扩展存储过程：
Use Master
GO
Exec sp_configure 'show advanced options', 1
GO
Reconfigure;
GO
sp_configure 'xp_cmdshell', 1
GO
Reconfigure;
GO
(注：因为xp_cmdshell是高级选项，所以这里启动xp_cmdshell，需要先将 show advanced ......
--> Title : SQL Server 2005中的文件和文件组
--> Author : wufeng4552
--> Date : 2009-10-23
1、文件和文件组的含义与关系
每个数据库有一个主数据文件.和若干个从文件。文件是数据库的物理体现。 文件组可以包括分布在多个逻辑分区的文件，实现负载平衡。文件组允� ......
Distinct
SELECT DISTINCT "栏位"
from "表格名"
Where
SELECT "栏位"
from "表格名"
WHERE "condition"
And/Or
SELECT "栏位"
from "表格名"
WHERE "简单条件"
{[AND|OR] "简单条件"}+
In
SELECT "� ......
