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  • 数据库连接字符串大全

    SQL Server
    •  ODBC

      •  Standard Security:
        "Driver={SQL Server};Server=Aron1;Database=pubs;Uid=sa;Pwd=asdasd;"


      •  Trusted connection:
        "Driver={SQL Server};Server=Aron1;Database=pubs;Trusted_Connection=yes;"


      •  Prompt for username and password:
        oConn.Properties("Prompt") = adPromptAlways
        oConn.Open "Driver={SQL Server};Server=Aron1;DataBase=pubs;"


    •  OLE DB, OleDbConnection (.NET)

      •  Standard Security:
        "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;User Id=sa;Password=asdasd;"


      •  Trusted Connection:
        "Provider=sqloledb;Data Source=Aron1;Initial Catalog=pubs;Integrated Security=SSPI;"
        (use serverName\instanceName as Data Source to use an specifik SQLServer instance, only SQLServer2000)
      •  Prompt for username and password:
        oConn.Provider = "sqloledb"
        oConn.Properties("Prompt") = adPromptAlways
        oConn.Open "Data Source=Aron1;Initial Catalog=pubs;"


      •  Connect via an IP address:
        "Provider=sqloledb;Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog= pubs;UserID=sa;Password=asdasd;"
        (DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default))
    •  SqlConnection (.NET)

      •  Standard Security:
        "Data Source=Aron1;Initial Catalog= pubs;UserId=sa;Password=asdasd;"
           - or -
        "Server=Aron1;Database=pubs;UserID=sa;Password=asdasd;Trusted_Connection=False"
           (booth connection strings produces the same result)


      •  Trusted Connection:
        "Data Source=Aron1;Initial Catalog=pubs;Integrated Security=SSPI;"
           - or -< BR>"Server=Aron1;Database=pubs;Trusted_Connection=True;"
           (booth connection strings produces the same result)
        (use serverName\instanceName as Data Source to use an specifik SQLServer instance, only SQLServer2000)
      •  Connect via an IP address:
        "Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog= pubs;UserID=sa;Password=asdasd;"
        (DBMSSOCN=TCP/IP instead of Named Pipes, at the end of the Data Source is the port to use (1433 is the default))
      •  Declare the SqlConnection:
        C#:
        using System.Data.SqlClient;
        SqlConnection oSQLConn = new SqlConnection();
        oSQLConn.ConnectionString="my connectionstring";
        oSQLConn.Open();


     

  •  Read more

    •  How to define wich network protocol to use

      • Example:
        "Provider=sqloledb;Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog= pubs;UserID=sa;Password=asdasd;"

        Name Network library
        dbnmpntw Win32 Named Pipes
        dbmssocn Win32 Winsock TCP/IP
        dbmsspxn Win32 SPX/IPX
        dbmsvinn Win32 Banyan Vines
        dbmsrpcn Win32 Multi-Protocol (Windows RPC)


        Important note!
        When connecting through the SQLOLEDB provider use the syntax Network Library=dbmssocn
        and when connecting through MSDASQL provider use the syntax Network=dbmssocn

    •  All SqlConnection connectionstring properties

      • This table shows all connectionstring properties for the ADO.NET SqlConnection object. Most of the properties are also used in ADO. All properties and descriptions is from msdn.

        Name Default Description
        Application Name   The name of the application, or '.Net SqlClient Data Provider' if no application name is provided.
        AttachDBFilename
        -or-
        extended properties
        -or-
        Initial File Name        		   The name of the primary file, including the full path name, of an attachable database. The database name must be specified with the keyword 'database'.
        Connect Timeout
        -or-
        Connection Timeout        		 15 The length of time (in seconds) to wait for a connection to the server before terminating the attempt and generating an error.
        Connection Lifetime 0 When a connection is returned to the pool, its creation time is compared with the current time, and the connection is destroyed if that time span (in seconds) exceeds the value specified by connection lifetime. Useful in clustered configurations to force load balancing between a running server and a server just brought on-line.
        Connection Reset 'true' Determines whether the database connection is reset when being removed from the pool. Setting to 'false' avoids making an additional server round-trip when obtaining a connection, but the programmer must be aware that the connection state is not being reset.
        Current Language   The SQL Server Language record name.
        Data Source
        -or-
        Server
        -or-
        Address
        -or-
        Addr
        -or-
        Network Address        		   The name or network address of the instance of SQL Server to which to connect.
        Enlist 'true' When true, the pooler automatically enlists the connection in the creation thread's current transaction context.
        Initial Catalog
        -or-
        Database        		   The name of the database.
        Integrated Security
        -or-
        Trusted_Connection        		 'false' Whether the connection is to be a secure connection or not. Recognized values are 'true', 'false', and 'sspi', which is equivalent to 'true'.
        Max Pool Size 100 The maximum number of connections allowed in the pool.
        Min Pool Size 0 The minimum number of connections allowed in the pool.
        Network Library
        -or-
        Net        		 'dbmssocn' The network library used to establish a connection to an instance of SQL Server. Supported values include dbnmpntw (Named Pipes), dbmsrpcn (Multiprotocol), dbmsadsn (Apple Talk), dbmsgnet (VIA), dbmsipcn (Shared Memory) and dbmsspxn (IPX/SPX), and dbmssocn (TCP/IP).
        The corresponding network DLL must be installed on the system to which you connect. If you do not specify a network and you use a local server (for example, "." or "(local)"), shared memory is used.
        Packet Size 8192 Size in bytes of the network packets used to communicate with an instance of SQL Server.
        Password
        -or-
        Pwd        		   The password for the SQL Server account logging on.
        Persist Security Info 'false' When set to 'false', security-sensitive information, such as the password, is not returned as part of the connection if the connection is open or has ever been in an open state. Resetting the connection string resets all connection string values including the password.
        Pooling 'true' When true, the SQLConnection object is drawn from the appropriate pool, or if necessary, is created and added to the appropriate pool.
        User ID   The SQL Server login account.
        Workstation ID the local computer name The name of the workstation connecting to SQL Server.


        Note
        Use ; to separate each property.
        If a name occurs more than once, the value from the last one in the connectionstring will be used.
        If you are building your connectionstring in your app using values from user input fields, make sure the user can't change the connectionstring by inserting an additional property with another value within the user value.
  •  Access
    •  ODBC

      •  Standard Security:
        "Driver={Microsoft Access Driver (*.mdb)};Dbq=C:\mydatabase.mdb;Uid=Admin;Pwd=;"


      •  Workgroup:
        "Driver={Microsoft Access Driver (*.mdb)};Dbq=C:\mydatabase.mdb;SystemDB=C:\mydatabase.mdw;"


      •  Exclusive:
        "Driver={Microsoft Access Driver (*.mdb)};Dbq=C:\mydatabase.mdb;Exclusive=1;Uid=admin;Pwd="


    •  OLE DB, OleDbConnection (.NET)

      •  Standard security:
        "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;User Id=admin;Password=;"


      •  Workgroup (system database):
        "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;Jet OLEDB:System Database=system.mdw;"


      •  With password:
        "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=\somepath\mydb.mdb;Jet OLEDB:Database Password=MyDbPassword;"


  •  Oracle
    •  ODBC

      •  New version:
        "Driver={Microsoft ODBC for Oracle};Server=OracleServer.world;Uid=Username;Pwd=asdasd;"


      •  Old version:
        "Driver={Microsoft ODBC Driver for Oracle};ConnectString=OracleServer.world;Uid=myUsername;Pwd=myPassword;"


    •  OLE DB, OleDbConnection (.NET)

      •  Standard security:
        "Provider=msdaora;Data Source= MyOracleDB;UserId=UserName;Password=asdasd;"
        This one's from Microsoft, the following are from Oracle
      •  Standard Security:
        "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;User Id=Username;Password=asdasd;"


      •  Trusted Connection:
        "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;OSAuthent=1;"


    •  OracleConnection (.NET)

      •  Standard:
        "Data Source=Oracle8i;Integrated Security=yes";
        This one works only with Oracle 8i release 3 or later
      •  Declare the OracleConnection:
        C#:
        using System.Data.OracleClient;
        OracleConnection oOracleConn = new OracleConnection();
        oOracleConn.ConnectionString = "my connectionstring";
        oOracleConn.Open();


        VB.NET:
        Imports System.Data.OracleClient
        Dim oOracleConn As OracleConnection = New OracleConnection()
        oOracleConn.ConnectionString = "my connectionstring"
        oOracleConn.Open()


    •  Core Labs OraDirect (.NET)

      •  Standard:
        "User ID=scott; Password=tiger; Host=ora; Pooling=true; Min Pool Size=0;Max Pool Size=100; Connection Lifetime=0"
        Read more at Core Lab and the product page.
    •  Data Shape

      •  MS Data Shape:
        "Provider=MSDataShape.1;Persist Security Info=False;Data Provider=MSDAORA;Data Source= orac;userid=username;password=mypw"
        Want to learn data shaping? Check out 4GuyfFromRolla's great article about Data Shaping >>
  •  MySQL
    •  ODBC

      •  Local database:
        "Driver={mySQL};Server=mySrvName;Option=16834;Database=mydatabase;"


      •  Remote database:
        "Driver={mySQL};Server=data.domain.com;Port=3306;Option=131072;Stmt=;Database=my-database;Uid=username;Pwd=password;"


    •  OLE DB, OleDbConnection (.NET)

      •  Standard:
        "Provider=MySQLProv;Data Source=mydb;User Id=UserName;Password=asdasd;"
    •  MySqlConnection (.NET)

      •  eInfoDesigns.dbProvider:
        "DataSource=server;Database= mydb;UserID=username;Password=pwd;Command Logging=false"
        This one is used with eInfoDesigns dbProvider, an add-on to .NET
      •  Declare the MySqlConnection:
        C#:
        using eInfoDesigns.dbProvider.MySqlClient;
        MySqlConnection oMySqlConn = new MySqlConnection();
        oMySqlConn.ConnectionString = "my connectionstring";
        oMySqlConn.Open(); 
      •  SevenObjects MySqlClient (.NET)

        •  Standard:
          "Host=server; UserName= myusername;Password=mypassword;Database=mydb;"
          This is a freeware ADO.Net data provider from SevenObjects
      •  Core Labs MySQLDirect (.NET)

        •  Standard:
          "User ID=root; Password=pwd; Host=localhost; Port= 3306;Database=test;Direct=true; Protocol=TCP; Compress=false; Pooling=true; Min Pool Size=0;Max Pool Size=100; Connection Lifetime=0"
          Read more at Core Lab and the product page.
作者：不老神仙
本文版权归作者和博客园共有，欢迎转载，但未经作者同意必须保留此段声明，且在文章页面明显位置给出原文连接，否则保留追究法律责任的权利。
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  • 原文地址：https://www.cnblogs.com/allanbolt/p/1489726.html
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