asp 获取access系统表,查询等操作代码
编程学习 2021-07-05 10:58www.dzhlxh.cn编程入门
方法一:直接用ado的OpenSchema()方法打开adSchemaTables,建立一个schema记录集
Code:
<%
Const adSchemaTables = 20
adSchemaColumns = 4
dim Conn,db
dim ConnStr
db="temp.mdb" 'ACCESS数据库的文件名,请使用相对于网站根目录的的绝对路径
ConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(db)
Set conn = Server.CreateObject("ADODB.Connection")
conn.Open connstr
Dim rstSchema
Dim I
Set rstSchema = Conn.OpenSchema(adSchemaTables)
Do while not rstSchema.EOF
response.write("Table name: "& rstSchema("TABLE_NAME") & vbCr & _
"Table type: " & rstSchema("TABLE_TYPE") & vbCr)
response.write("<br/>")
I = I + 1
rstSchema.MoveNext
Loop
rstSchema.Close
conn.Close
%>
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://blog.iyi.cn/user/david/archives/IMAGES/msobject.swf
但是我在access2003中找不到这几个系统表,不知道是不是m$增强了access的安全性。
使用下列 SQL 语句来获取你想要的
Code:
查询:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)=5 ORDER BY MSysObjects.Name;
窗体:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)=-32768 ORDER BY MSysObjects.Name;
表:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (Left$([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;
Code:
<%
Const adSchemaTables = 20
adSchemaColumns = 4
dim Conn,db
dim ConnStr
db="temp.mdb" 'ACCESS数据库的文件名,请使用相对于网站根目录的的绝对路径
ConnStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath(db)
Set conn = Server.CreateObject("ADODB.Connection")
conn.Open connstr
Dim rstSchema
Dim I
Set rstSchema = Conn.OpenSchema(adSchemaTables)
Do while not rstSchema.EOF
response.write("Table name: "& rstSchema("TABLE_NAME") & vbCr & _
"Table type: " & rstSchema("TABLE_TYPE") & vbCr)
response.write("<br/>")
I = I + 1
rstSchema.MoveNext
Loop
rstSchema.Close
conn.Close
%>
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://blog.iyi.cn/user/david/archives/IMAGES/msobject.swf
但是我在access2003中找不到这几个系统表,不知道是不是m$增强了access的安全性。
使用下列 SQL 语句来获取你想要的
Code:
查询:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)=5 ORDER BY MSysObjects.Name;
窗体:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (MSysObjects.Type)=-32768 ORDER BY MSysObjects.Name;
表:
SELECT MSysObjects.Name FROM MsysObjects WHERE (Left([Name],1)<>"~") AND (Left$([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;
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