发新话题
打印

获取access库中表的个数及表的名称[收藏]

获取access库中表的个数及表的名称[收藏]

'功能:获取access库中表的个数及表的名称
'用ado怎样实现
'工程--->引用--->Microsoft ActiveX Data Object 2.x(版本号)
'----------------------------------------------------------------------------
Private Sub Form_Load()
Dim adoCN   As New ADODB.Connection                '定义数据库的连接
Dim strCnn   As New ADODB.Recordset
Dim rstSchema As New ADODB.Recordset
Dim I As Integer
   str1 = "rovider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\Northwind.MDBersist Security Info=False"
   adoCN.Open str1
         
   Set rstSchema = adoCN.OpenSchema(adSchemaTables)
     
   Do Until rstSchema.EOF
        If rstSchema!TABLE_TYPE = "TABLE" Then
           out = out & "Table  name:  " & _
               rstSchema!TABLE_NAME & vbCr & _
               "Table  type:  " & rstSchema!TABLE_TYPE & vbCr
            I = I + 1
        End If
        rstSchema.MoveNext
   Loop
   MsgBox I
   rstSchema.Close
     
   adoCN.Close
Debug.Print out
End Sub  

方法二:
access 系统表 MsysObjects 包含了数据库对象列表。尽管未在文档中记载,你仍可通过查询它来获取你想要的。但是默认情况下无法操作系统表,必须手动设定权限收才能查询系统表。
请参考以下动画:如何获取对msysobject的操作权限
http://access911.net/eg/swf/msobject.swf
警告:不要修改任何access系统表,否则会出现不可意料的情况.
使用下列 SQL 语句来获取你想要的
查询:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)=5 ORDER BY MSysObjects.Name;

窗体:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)=-32768 ORDER BY MSysObjects.Name;

表:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (Left$([Name],4) <> "Msys") AND (MSysObjects.Type)=1 ORDER BY MSysObjects.Name;

报表:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)= -32764 ORDER BY MSysObjects.Name;

模块:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)= -32761 ORDER BY MSysObjects.Name;

宏:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)= -32766 ORDER BY MSysObjects.Name;

TOP

发新话题