Microsoft SQL Server和MySQL有一个我可以查询的INFORMATION_SCHEMA表。然而,在MS Access数据库中不存在该表。
是否有等价物可供使用?
Microsoft SQL Server和MySQL有一个我可以查询的INFORMATION_SCHEMA表。然而,在MS Access数据库中不存在该表。
是否有等价物可供使用?
基于Ilya的答案,尝试使用以下查询:
SELECT MSysObjects.Name AS table_name
FROM MSysObjects
WHERE (((Left([Name],1))<>"~")
AND ((Left([Name],4))<>"MSys")
AND ((MSysObjects.Type) In (1,4,6)))
order by MSysObjects.Name
(此代码可以在MDB中不做修改地使用)
ACCDB用户可能需要执行以下操作:
SELECT MSysObjects.Name AS table_name
FROM MSysObjects
WHERE (((Left([Name],1))<>"~")
AND ((Left([Name],4))<>"MSys")
AND ((MSysObjects.Type) In (1,4,6))
AND ((MSysObjects.Flags)=0))
order by MSysObjects.Name
由于包含了一个额外的表,它似乎是某种系统表。
在Access中,您可以使用模式。
Sub ListAccessTables2(strDBPath)
Dim cnnDB As ADODB.Connection
Dim rstList As ADODB.Recordset
Set cnnDB = New ADODB.Connection
' Open the connection.
With cnnDB
.Provider = "Microsoft.Jet.OLEDB.4.0"
.Open strDBPath
End With
' Open the tables schema rowset.
Set rstList = cnnDB.OpenSchema(adSchemaTables)
' Loop through the results and print the
' names and types in the Immediate pane.
With rstList
Do While Not .EOF
If .Fields("TABLE_TYPE") <> "VIEW" Then
Debug.Print .Fields("TABLE_NAME") & vbTab & _
.Fields("TABLE_TYPE")
End If
.MoveNext
Loop
End With
cnnDB.Close
Set cnnDB = Nothing
End Sub
来源: http://msdn.microsoft.com/en-us/library/aa165325(office.10).aspx
这是一个更新的答案,使用数据访问对象(DAO)在Access 2010 VBA中运行。表名存储在TableDef.Name中。所有表定义的集合存储在TableDefs中。以下是循环遍历表名的快速示例:
Dim db as Database
Dim td as TableDef
Set db = CurrentDb()
For Each td In db.TableDefs
YourSubTakingTableName(td.Name)
Next td
SELECT
Table_Name = Name,
FROM
MSysObjects
WHERE
(Left([Name],1)<>"~")
AND (Left([Name],4) <> "MSys")
AND ([Type] In (1, 4, 6))
ORDER BY
Name
SELECT
Name
FROM
MSysObjects
WHERE
(Left([Name],1)<>"~")
AND (Left([Name],4) <> "MSys")
AND ([Type] In (1, 4, 6))
ORDER BY
Name
我需要稍微修改BIBD发布的SQL(需要在from子句中添加sys.到MSysObjects以完全限定表名)。
String sqlString = "";
sqlString += "SELECT MSysObjects.Name AS table_name \n";
sqlString += "FROM sys.MSysObjects \n";
sqlString += "WHERE (((Left([Name],1))<>\"~\") \n";
sqlString += " AND ((Left([Name],4))<>\"MSys\") \n";
sqlString += " AND ((MSysObjects.Type) In (1,4,6)) \n";
sqlString += " AND ((MSysObjects.Flags)=0)) \n";
sqlString += "order by MSysObjects.Name \n";
CurrentDB.TableDefs
CurrentDB.QueryDefs
CurrentProject.AllForms
CurrentProject.AllReports
CurrentProject.AllMacros