为什么SQL SERVER7.0的SA用户一加密码就不能连上数据库了?高分求救!!急急急!! 在设FILE DSN的过程中有没有测试成功?有没有用密码进入过数据库?最好把连接代码贴出来。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 FILE DSN连接SQL SERVER7.0?怎么个连法? 兄弟,加上密码以后你的数据库打开语句加上密码了吗?下面将简单介绍一下几种ADO连接方式:ODBC DSN,ODBC DSN-Less, OLE DB Provider,和"MS Remote" Provider.1。ODBC DSN连接I.DSN oConn.Open "DSN=AdvWorks;" & _ "UID=Admin;" & _ "PWD=;"注意:从MDAC2.1开始就不能够在使用这样的方式了,就是只把DSN文件名放在ConnectString中 你必须同时使用DSN,UID,PWD标志。例如下面的方式在MDAC 2.1中将会出错: oConn.Open "AdvWorks"II.File DSN oConn.Open "FILEDSN=\somepath\mydb.dsn;" & _ "UID=Admin;" & _ "PWD=;"III.ODBC DSN-Less Connectionsa)ODBC Text Driver oConn.Open _ "Driver={Microsoft Text Driver (*.txt; *.csv)};" & _ "Dbq=\somepath\;" & _ "Extensions=asc,csv,tab,txt;" & _ "Persist Security Info=False"注意:需要在SQL语句中指定使用到的文件名。例如: oRs.Open "Select * From customer.csv", _ oConn, adOpenStatic, adLockReadOnly, adCmdTextb)ODBC Driver for Access i)普通安全模式: oConn.Open _ "Driver={Microsoft Access Driver (*.mdb)};" & _ "Dbq=\somepath\mydb.mdb;" & _ "Uid=Admin;" & _ "Pwd=;" ii)如果使用了System database: oConn.Open _ "Driver={Microsoft Access Driver (*.mdb)};" & _ "Dbq=\somepath\mydb.mdb;" & _ "SystemDB=\somepath\mydb.mdw;", _ "admin", ""c)ODBC Driver for SQL Server i)普通安全模式 oConn.Open "Driver={SQL Server};" & _ "Server=carl2;" & _ "Database=pubs;" & _ "Uid=sa;" & _ "Pwd=;" ii)使用信任安全模式: oConn.Open "Driver={SQL Server};" & _ "Server=carl2;" & _ "Database=pubs;" & _ "Uid=;" & _ "Pwd=;" 注意:要使用空白的Uid和Pwd d)ODBC Driver for Oracle i)使用现有的Oracle ODBC Driver from Microsoft: oConn.Open _ "Driver={Microsoft ODBC for Oracle};" & _ "Server=OracleServer.world;" & _ "Uid=demo;" & _ "Pwd=demo;" ii)使用老版本的Oracle ODBC Driver from Microsoft: oConn.Open _ "Driver={Microsoft ODBC Driver for Oracle};" & _ "ConnectString=OracleServer.world;" & _ "Uid=demo;" & _ "Pwd=demo;"IIII)使用微软的OLE DB Data Link Connections方式Data Link File (UDL)a)使用绝对路径 oConn.Open "File Name=\somepath\pubs.udl;" b)使用相对路径 oConn.Open "File Name=pubs.udl;" V)OLE DB Provider Connections方式a)OLE DB Provider for ODBC Databases i)Access (Jet): oConn.Open _ "Provider=MSDASQL;" & _ "Driver={Microsoft Access Driver (*.mdb)};" & _ "Dbq=\somepath\mydb.mdb;" & _ "Uid=Admin;" & _ "Pwd=;" ii)SQL Server: oConn.Open _ "Provider=MSDASQL;" & _ "Driver={SQL Server};" & _ "Server=carl2;" & _ "Database=pubs;" & _ "Uid=sa;" & _ "Pwd=;"b)OLE DB Provider for Microsoft Jet (Access) i)普通安全模式: oConn.Open _ "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=\somepath\mydb.mdb;" & _ "User Id=admin;" & _ "Password=;" ii)如果使用了System database: oConn.Open _ "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=\somepath\mydb.mdb;" & _ "Jet OLEDB:System Database=system.mdw;", _ "admin", "" 注意:当使用OLE DB Provider4.0版本是,需要把MDB和MDW文件转换成4.0的数据库格式 iii)如果MDB需要一个数据库密码的话: oConn.Open _ "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=\somepath\mydb.mdb;" & _ "Jet OLEDB:Database Password=MyDbPassword;", _ "admin", ""c)OLE DB Provider for Excel Spreadsheet: oConn.Open _ "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=\somepath\expenses.xls;" & _ "Extended Properties=""Excel 8.0;HDR=Yes;"";" 注意: "HDR=Yes"表示在第一行中是行标题,在provider中将不把第一行包括入recordset中d)OLE DB Provider for SQL Server i)普通安全模式: oConn.Open "Provider=sqloledb;" & _ "Network Library=DBMSSOCN;" & _ "Data Source=carl2;" & _ "Initial Catalog=pubs;" & _ "User Id=sa;" & _ "Password=;" ii)使用信任安全模式: oConn.Open "Provider=sqloledb;" & _ Network Library=DBMSSOCN;" & _ "Data Source=carl2;" & _ "Initial Catalog=pubs;" & _ "Trusted_Connection=yes;" 注意:"Network Library=DBMSSOCN"声明OLE DB使用TCP/IP替代Named Pipes.e)OLE DB Provider for Oracle oConn.Open "Provider=msdaora;" & _ "Data Source=OracleServer.world;" & _ "User Id=sa;" & _ "Password=;"(VI)Remote OLE DB Provider Connections方式(就是我一直在研究的RDS方式哦,呵呵。):a)MS Remote - Access (Jet) i)ODBC DSN: oConn.Open "Remote Server=http://carl2;" & _ "Remote Provider=MSDASQL;" & _ "DSN=AdvWorks;" & _ "Uid=admin" & _ "Pwd=;" ii)OLE DB Provider: oConn.Open "Provider=MS Remote;" & _ "Remote Server=http://carl2;" & _ "Remote Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=\somepath\mydb.mdb;", _ "admin", "" iii)OLE DB Provider自定义事务对象 oConn.Open "Provider=MS Remote;" & _ "Remote Server=http://carl2;" & _ "Handler=MSDFMAP.Handler;" & _ "Data Source=MyAdvworksOLEDBConnectTag;"b)MS Remote - SQL Server i)ODBC DSN: oConn.Open "Remote Server=http://carl2;" & _ "Remote Provider=MSDASQL;" & _ "Network Library=DBMSSOCN;" & _ "DSN=Pubs;" & _ "Uid=sa" & _ "Pwd=;" ii)OLE DB Provider oConn.Open "Provider=MS Remote;" & _ "Remote Server=http://carl2;" & _ "Remote Provider=SQLOLEDB;" & _ "Network Library=DBMSSOCN;" & _ "Data Source=carl2;" & _ "Initial Catalog=pubs;" & _ "User ID=sa;" & _ "Password=;" 求一Sql 语句 我的Microsoft SQL 2005 Server 第一次安装出错后,重新安装为什么没有了Microsoft SQL Native Client组件 关于SQL SELECT 查询 高手帮忙!! 有用sql report server看下。邮件问题! 急。急。急。SQL拼接问题 求 SQL 语句 请问如何设置一个存储过程每个小时执行一次。 请各位朋友帮帮忙:sql server 7.0 registation SQL 语句问题 SQL Server有没有模糊查询语句 关于范式。 对于异构数据库的设计问题
下面将简单介绍一下几种ADO连接方式:ODBC DSN,ODBC DSN-Less,
OLE DB Provider,和"MS Remote" Provider.
1。ODBC DSN连接
I.DSN
oConn.Open "DSN=AdvWorks;" & _
"UID=Admin;" & _
"PWD=;"
注意:从MDAC2.1开始就不能够在使用这样的方式了,就是只把DSN文件名放在ConnectString中
你必须同时使用DSN,UID,PWD标志。例如下面的方式在MDAC 2.1中将会出错:
oConn.Open "AdvWorks"II.File DSN
oConn.Open "FILEDSN=\somepath\mydb.dsn;" & _
"UID=Admin;" & _
"PWD=;"
III.ODBC DSN-Less Connections
a)ODBC Text Driver
oConn.Open _
"Driver={Microsoft Text Driver (*.txt; *.csv)};" & _
"Dbq=\somepath\;" & _
"Extensions=asc,csv,tab,txt;" & _
"Persist Security Info=False"
注意:需要在SQL语句中指定使用到的文件名。例如:
oRs.Open "Select * From customer.csv", _
oConn, adOpenStatic, adLockReadOnly, adCmdText
b)ODBC Driver for Access
i)普通安全模式:
oConn.Open _
"Driver={Microsoft Access Driver (*.mdb)};" & _
"Dbq=\somepath\mydb.mdb;" & _
"Uid=Admin;" & _
"Pwd=;"
ii)如果使用了System database:
oConn.Open _
"Driver={Microsoft Access Driver (*.mdb)};" & _
"Dbq=\somepath\mydb.mdb;" & _
"SystemDB=\somepath\mydb.mdw;", _
"admin", ""
c)ODBC Driver for SQL Server
i)普通安全模式
oConn.Open "Driver={SQL Server};" & _
"Server=carl2;" & _
"Database=pubs;" & _
"Uid=sa;" & _
"Pwd=;"
ii)使用信任安全模式:
oConn.Open "Driver={SQL Server};" & _
"Server=carl2;" & _
"Database=pubs;" & _
"Uid=;" & _
"Pwd=;"
注意:要使用空白的Uid和Pwd
d)ODBC Driver for Oracle
i)使用现有的Oracle ODBC Driver from Microsoft:
oConn.Open _
"Driver={Microsoft ODBC for Oracle};" & _
"Server=OracleServer.world;" & _
"Uid=demo;" & _
"Pwd=demo;"
ii)使用老版本的Oracle ODBC Driver from Microsoft:
oConn.Open _
"Driver={Microsoft ODBC Driver for Oracle};" & _
"ConnectString=OracleServer.world;" & _
"Uid=demo;" & _
"Pwd=demo;"
IIII)使用微软的OLE DB Data Link Connections方式Data Link File (UDL)
a)使用绝对路径
oConn.Open "File Name=\somepath\pubs.udl;"
b)使用相对路径
oConn.Open "File Name=pubs.udl;"
V)OLE DB Provider Connections方式
a)OLE DB Provider for ODBC Databases
i)Access (Jet):
oConn.Open _
"Provider=MSDASQL;" & _
"Driver={Microsoft Access Driver (*.mdb)};" & _
"Dbq=\somepath\mydb.mdb;" & _
"Uid=Admin;" & _
"Pwd=;"
ii)SQL Server:
oConn.Open _
"Provider=MSDASQL;" & _
"Driver={SQL Server};" & _
"Server=carl2;" & _
"Database=pubs;" & _
"Uid=sa;" & _
"Pwd=;"
b)OLE DB Provider for Microsoft Jet (Access)
i)普通安全模式:
oConn.Open _
"Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=\somepath\mydb.mdb;" & _
"User Id=admin;" & _
"Password=;"
ii)如果使用了System database:
oConn.Open _
"Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=\somepath\mydb.mdb;" & _
"Jet OLEDB:System Database=system.mdw;", _
"admin", ""
注意:当使用OLE DB Provider4.0版本是,需要把MDB和MDW文件转换成4.0的数据库格式
iii)如果MDB需要一个数据库密码的话:
oConn.Open _
"Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=\somepath\mydb.mdb;" & _
"Jet OLEDB:Database Password=MyDbPassword;", _
"admin", ""
c)OLE DB Provider for Excel Spreadsheet:
oConn.Open _
"Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=\somepath\expenses.xls;" & _
"Extended Properties=""Excel 8.0;HDR=Yes;"";"
注意: "HDR=Yes"表示在第一行中是行标题,在provider中将不把第一行包括入recordset中
d)OLE DB Provider for SQL Server
i)普通安全模式:
oConn.Open "Provider=sqloledb;" & _
"Network Library=DBMSSOCN;" & _
"Data Source=carl2;" & _
"Initial Catalog=pubs;" & _
"User Id=sa;" & _
"Password=;"
ii)使用信任安全模式:
oConn.Open "Provider=sqloledb;" & _
Network Library=DBMSSOCN;" & _
"Data Source=carl2;" & _
"Initial Catalog=pubs;" & _
"Trusted_Connection=yes;"
注意:"Network Library=DBMSSOCN"声明OLE DB使用TCP/IP替代Named Pipes.
e)OLE DB Provider for Oracle
oConn.Open "Provider=msdaora;" & _
"Data Source=OracleServer.world;" & _
"User Id=sa;" & _
"Password=;"
(VI)Remote OLE DB Provider Connections方式(就是我一直在研究的RDS方式哦,呵呵。):
a)MS Remote - Access (Jet)
i)ODBC DSN:
oConn.Open "Remote Server=http://carl2;" & _
"Remote Provider=MSDASQL;" & _
"DSN=AdvWorks;" & _
"Uid=admin" & _
"Pwd=;"
ii)OLE DB Provider:
oConn.Open "Provider=MS Remote;" & _
"Remote Server=http://carl2;" & _
"Remote Provider=Microsoft.Jet.OLEDB.4.0;" & _
"Data Source=\somepath\mydb.mdb;", _
"admin", ""
iii)OLE DB Provider自定义事务对象
oConn.Open "Provider=MS Remote;" & _
"Remote Server=http://carl2;" & _
"Handler=MSDFMAP.Handler;" & _
"Data Source=MyAdvworksOLEDBConnectTag;"
b)MS Remote - SQL Server
i)ODBC DSN:
oConn.Open "Remote Server=http://carl2;" & _
"Remote Provider=MSDASQL;" & _
"Network Library=DBMSSOCN;" & _
"DSN=Pubs;" & _
"Uid=sa" & _
"Pwd=;"
ii)OLE DB Provider
oConn.Open "Provider=MS Remote;" & _
"Remote Server=http://carl2;" & _
"Remote Provider=SQLOLEDB;" & _
"Network Library=DBMSSOCN;" & _
"Data Source=carl2;" & _
"Initial Catalog=pubs;" & _
"User ID=sa;" & _
"Password=;"