ADO连接数据库字符串大全
2011-05-25 10:48
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在VB环境中用ADO方式连接数据库的字符串格式,其中包括ODBC DSN/DSN-Less,OLE DB Providers 第一部分:DSN连接方式 ODBC DSN Connections DSN File DSN 第二部分:ODBC连接方式 ODBC Driver for Access ODBC Driver for dBASE ODBC Driver for Excel ODBC Driver for MySQL ODBC Driver for Oracle ODBC Driver for SQL Server ODBC Driver for Sybase ODBC Driver for Sybase SQL Anywhere ODBC Driver for Text ODBC Driver for Visual FoxPro 第三部分:OLE DB Provider连接方式 OLE DB Provider for DB2 OLE DB Provider for Microsoft Jet OLE DB Provider for ODBC Databases OLE DB Provider for Oracle (From Microsoft) OLE DB Provider for Oracle (From Oracle) OLE DB Provider for SQL Server ================================ 第一部分:DSN连接方式 ================================ 使用 ODBC DSN 连接数据库有两种方式,一种为SYSTEM DSN、一种为DSN文件,因此在使用DSN连接方式之前必段创建一个SYSTEM DSN或DSN FILE. 1、ODBC - DSN oConn.Open "DSN=AdvWorks;" & _ "Uid=Admin;" & _ "Pwd=; 2、ODBC - File DSN oConn.Open "FILEDSN=c:/somepath/mydb.dsn;" & _ "Uid=Admin;" & _ "Pwd=;" ================================= 第二部分:ODBC连接方式 ================================ 1、ODBC Driver for Access 连接 ---标准连接: oConn.Open "Driver={Microsoft Access Driver (*.mdb)};" & _ "Dbq=c:/somepath/mydb.mdb;" & _ "Uid=Admin;" & _ "Pwd=;" ---如果MDB文件在本地共享网络上: oConn.Open "Driver={Microsoft Access Driver (*.mdb)};" & _ "Dbq=//myServer/myShare/myPath/myDb.mdb;" 2、ODBC Driver for dBASE 连接 oConn.Open "Driver={Microsoft dBASE Driver (*.dbf)};" & _ "DriverID=277;" & _ "Dbq=c:/somepath;" Note: Specify the filename in the SQL statement. For example: oRs.Open "Select * From user.dbf", oConn, , ,adCmdText Note: MDAC 2.1 (or greater) requires the Borland Database Engine (BDE) to update dBase DBF files. 3、ODBC Driver for Excel 连接 oConn.Open "Driver={Microsoft Excel Driver (*.xls)};" & _ "DriverId=790;" & _ "Dbq=c:/somepath/mySpreadsheet.xls;" & _ "DefaultDir=c:/somepath;" 4、ODBC Driver for MySQL (via MyODBC) ---连接一个本地数据库 oConn.Open "Driver={mySQL};" & _ "Server=MyServerName;" & _ "Option=16834;" & _ "Database=mydb;" ---连接一个远程数据库 oConn.Open "Driver={mySQL};" & _ "Server=db1.database.com;" & _ "Port=3306;" & _ "Option=131072;" & _ "Stmt=;" & _ "Database=mydb;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" 5、ODBC Driver for Oracle 连接 ---For the current Oracle ODBC Driver from Microsoft: oConn.Open "Driver={Microsoft ODBC for Oracle};" & _ "Server=OracleServer.world;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" ---For the older Oracle ODBC Driver from Microsoft: oConn.Open "Driver={Microsoft ODBC Driver for Oracle};" & _ "ConnectString=OracleServer.world;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" 6、ODBC Driver for SQL Server 连接 ---For Standard Security: oConn.Open "Driver={SQL Server};" & _ "Server=MyServerName;" & _ "Database=myDatabaseName;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" ---For Trusted Connection security: oConn.Open "Driver={SQL Server};" & _ "Server=MyServerName;" & _ "Database=myDatabaseName;" & _ "Uid=;" & _ "Pwd=;" 或 oConn.Open "Driver={SQL Server};" & _ "Server=MyServerName;" & _ "Database=myDatabaseName;" & _ "Trusted_Connection=yes;" 7、ODBC Driver for Sybase 连接 ---If using the Sybase System 11 ODBC Driver: oConn.Open "Driver={SYBASE SYSTEM 11};" & _ "Srvr=myServerName;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" ---If using the Intersolv 3.10 Sybase ODBC Driver: oConn.Open "Driver={INTERSOLV 3.10 32-BIT Sybase};" & _ "Srvr=myServerName;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" 8、ODBC Driver for Sybase SQL Anywhere 连接 oConn.Open "ODBC; Driver=Sybase SQL Anywhere 5.0;" & _ "DefaultDir=c:/dbpath/;" & _ "Dbf=c:/sqlany50/mydb.db;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" "Dsn="""";" Note: Including the DSN tag with a null string is absolutely critical or else you get the dreaded -7778 error. 9、ODBC Driver for Text 连接 oConn.Open "Driver={Microsoft Text Driver (*.txt; *.csv)};" & _ "Dbq=c:/somepath/;" & _ "Extensions=asc,csv,tab,txt;" & _ "Persist Security Info=False" Note: Specify the filename in the SQL statement. For example: oRs.Open "Select * From customer.csv", _ oConn, adOpenStatic, adLockReadOnly, adCmdText 10、ODBC Driver for Visual FoxPro 连接 ---With a database container: oConn.Open "Driver={Microsoft Visual FoxPro Driver};" & _ "SourceType=DBC;" & _ "SourceDB=c:/somepath/mySourceDb.dbc;" & _ "Exclusive=No;" ---Without a database container (Free Table Directory): oConn.Open "Driver={Microsoft Visual FoxPro Driver};" & _ "SourceType=DBF;" & _ "SourceDB=c:/somepath/mySourceDbFolder;" & _ "Exclusive=No;" ================================== 第三部分:OLE DB Provider连接方式 ================================= 1、OLE DB Provider for DB2 连接 oConn.Open = "Provider=DB2OLEDB;" & "Network Transport Library=TCPIP;" & "Network Address=MyServer;" & _ "Package Collection=MyPackage;" & "Host CCSID=1142" "Initial Catalog=MyDB;" & "User ID=MyUsername;" & _ "Password=MyPassword;" 2、OLE DB Provider for Microsoft Jet 连接 ---For standard security: oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=c:/somepath/myDb.mdb;" & _ "User Id=admin;" & _ "Password=;" ---If MDB has a database password: oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=c:/somepath/mydb.mdb;" & _ "Jet OLEDB:Database Password=MyDbPassword;", _ "admin", "" ---If MDB is located on a network share: oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=//myServer/myShare/myPath/myDb.mdb; ---If want to open up the Access database exclusively: oConn.Mode = adModeShareExclusive oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=c:/somepath/myDb.mdb;" & _ "User Id=admin;" & _ "Password=;" ---You can also open an Excel Spreadsheet using the "OLE DB Provider for Microsoft Jet" oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=c:/somepath/myExcelSpreadsheet.xls;" & _ "Extended Properties=""Excel 8.0;HDR=Yes;"";" Where "HDR=Yes" means that there is a header row in the cell range (or named range), so the provider will not include the first row of the selection into the recordset. If "HDR=No", then the provider will include the first row of the cell range (or named ranged) into the recordset. ---You can also open a Text File using the "OLE DB Provider for Microsoft Jet" oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _ "Data Source=c:/somepath/;" & _ "Extended Properties=""text;HDR=Yes;FMT=Delimited;"";" ' Then open a recordset based on a select on the actual file oRs.Open "Select * From MyTextFile.txt", oConn, adOpenStatic, adLockReadOnly, adCmdText 3、OLE DB Provider for ODBC Databases 连接 ---For Access (Jet): oConn.Open "Provider=MSDASQL;" & _ "Driver={Microsoft Access Driver (*.mdb)};" & _ "Dbq=c:/somepath/mydb.mdb;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" ---For SQL Server: oConn.Open "Provider=MSDASQL;" & _ "Driver={SQL Server};" & _ "Server=myServerName;" & _ "Database=myDatabaseName;" & _ "Uid=myUsername;" & _ "Pwd=myPassword;" 4、OLE DB Provider for Oracle (from Microsoft) 连接 oConn.Open "Provider=msdaora;" & _ "Data Source=MyOracleDB;" & _ "User Id=myUsername;" & _ "Password=myPassword;" 5、OLE DB Provider for Oracle (from Oracle) 连接 ---For Standard Security: oConn.Open "Provider=OraOLEDB.Oracle;" & _ "Data Source=MyOracleDB;" & _ "User Id=myUsername;" & _ "Password=myPassword;" ---For a Trusted Connection: oConn.Open "Provider=OraOLEDB.Oracle;" & _ "Data Source=MyOracleDB;" & _ "User Id=/;" & _ "Password=;" ' 或 oConn.Open "Provider=OraOLEDB.Oracle;" & _ "Data Source=MyOracleDB;" & _ "OSAuthent=1;" Note: "Data Source=" must be set to the appropriate Net8 name which is known to the naming method in use. For example, for Local Naming, it is the alias in the tnsnames.ora file; for Oracle Names, it is the Net8 Service Name. (Note, if you get a Logon dialog, then click Cancel, then perform a one-time free signup with Oracle's TechNet system) 6、OLE DB Provider for SQL Server 连接 ---For Standard Security: oConn.Open "Provider=sqloledb;" & _ "Data Source=myServerName;" & _ "Initial Catalog=myDatabaseName;" & _ "User Id=myUsername;" & _ "Password=myPassword;" ---For a Trusted Connection: oConn.Open "Provider=sqloledb;" & _ "Data Source=myServerName;" & _ "Initial Catalog=myDatabaseName;" & _ "Integrated Security=SSPI;" ---To connect to a "Named Instance" (SQL Server 2000) oConn.Open "Provider=sqloledb;" & _ "Data Source=myServerName/Inst2;" & _ "Initial Catalog=myDatabaseName;" & _ "User Id=myUsername;" & _ "Password=myPassword;" ---To Prompt user for username and password: oConn.Provider = "sqloledb" oConn.Properties("Prompt") = adPromptAlways oConn.Open "Data Source=myServerName;" & _ "Initial Catalog=myDatabaseName;" ---To connect via an IP address: oConn.Open "Provider=sqloledb;" & _ "Data Source=xxx.xxx.xxx.xxx,1433;" & _ "Network Library=DBMSSOCN;" & _ "Initial Catalog=myDatabaseName;" & _ "User ID=myUsername;" & _ "Password=myPassword;" Note: - xxx.xxx.xxx.xxx is an IP address - "Network Library=DBMSSOCN" tells OLE DB to use TCP/IP rather than Named Pipes) - 1433 is the default port number for SQL Server - You can also add "Encrypt=yes" for encryption |
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