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数据库连接字符串大全

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 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();


    VB.NET:
    Imports System.Data.SqlClient
    Dim oSQLConn As SqlConnection = New SqlConnection()
    oSQLConn.ConnectionString="my connectionstring"
    oSQLConn.Open() 

 Data Shape 

  •  MS Data Shape
    "Provider=MSDataShape;Data Provider=SQLOLEDB;Data Source=Aron1;Initial Catalog= pubs;UserID=sa;Password=asdasd;"
    Want to learn data shaping? Check out 4GuyfFromRolla's great article about Data Shaping >>
 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();


    VB.NET:
    Imports eInfoDesigns.dbProvider.MySqlClient
    Dim oMySqlConn As MySqlConnection = 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.
 Interbase  ODBC, Easysoft 

  •  Local computer:
    "Driver={Easysoft IB6 ODBC};Server=localhost;Database=localhost:C:\mydatabase.gdb;Uid=username;Pwd=password"


  •  Remote Computer:
    < DIV> "Driver={EasysoftIB6ODBC};Server=ComputerName;Database=ComputerName:C:\mydatabase.gdb;Uid=username;Pwd=password"
    Read more about this driver: Easysoft ODBC-Interbase driver >>
 ODBC, Intersolv 

  •  Local computer:
    "Driver={INTERSOLV InterBase ODBC Driver (*.gdb)};Server=localhost;Database=localhost:C:\mydatabase.gdb;Uid=username;Pwd=password"


  •  Remote Computer:
    "Driver= {INTERSOLV InterBaseODBCDriver(*.gdb)};Server=ComputerName;Database=ComputerName:C:\mydatabase.gdb;Uid=username;Pwd=password"
    This driver are provided by DataDirect Technologies >> (formerly Intersolv)


 OLE DB, SIBPROvider 

  •  Standard:
    "provider=sibprovider;location=localhost:;data source=c:\databases\gdbs\mygdb.gdb;user id=SYSDBA;password=masterkey"


  •  Specifying character set:
    "provider=sibprovider;location=localhost:;data source=c:\databases\gdbs\mygdb.gdb;user id=SYSDBA;password=masterkey;character set=ISO8859_1"


  •  Specifying role:
    "provider=sibprovider;location=localhost:;data source=c:\databases\gdbs\mygdb.gdb;userid=SYSDBA;password=masterkey;role=DIGITADORES"
    Read more about SIBPROvider >>



Read more about connecting to Interbase in this Borland Developer Network article http://community.borland.com/article/0,1410,27152,00.html 

 IBM DB2  OLE DB, OleDbConnection (.NET) from ms 

  •  TCP/IP:
    "Provider=DB2OLEDB;Network Transport Library=TCPIP;Network Address=XXX.XXX.XXX.XXX;Initial Catalog=MyCtlg;Package Collection=MyPkgCol;Default Schema=Schema;User ID=MyUser;Password=MyPW"


  •  APPC:
    "Provider=DB2OLEDB;APPC Local LU Alias=MyAlias;APPC Remote LU Alias=MyRemote;Initial Catalog=MyCtlg;Package Collection=MyPkgCol;Default Schema=Schema;User ID=MyUser;Password=MyPW"


 Sybase  ODBC 

  •  Standard Sybase System 12 (or 12.5) Enterprise Open Client:
    "Driver={SYBASE ASE ODBC Driver};Srvr=Aron1;Uid=username;Pwd=password"


  •  Standard Sybase System 11:
    "Driver= {SYBASESYSTEM11};Srvr=Aron1;Uid=username;Pwd=password;"
    Do you know a userguide for Sybase System 11, 12, 12.5? E-mail the URL to connectionstrings.com now!! >>
  •  Intersolv 3.10:
    "Driver={INTERSOLV 3.10 32-BIT Sybase};Srvr=Aron1;Uid=username;Pwd=password;"


  •  Sybase SQL Anywhere (former Watcom SQL ODBC driver):
    "ODBC; Driver= SybaseSQLAnywhere5.0;DefaultDir=c:\dbfolder\;Dbf=c:\mydatabase.db;Uid=username;Pwd=password;Dsn="""""
    Note! The two double quota following the DSN parameter at the end are escaped quotas (VB syntax), you may have to change this to your language specific escape syntax. The empty DSN parameter is indeed critical as not including it will result in error 7778.


    Read more in the Sybase SQL Anywhere User Guide >>
 OLE DB 

  •  Adaptive Server Anywhere (ASA):
    "Provider=ASAProv;Data source=myASA"
    Read more in the ASA User Guide >>
  •  Adaptive Server Enterprise (ASE) with Data Source .IDS file:
    "Provider=Sybase ASE OLE DB Provider; Data source=myASE"
    Note that you must create a Data Source .IDS file using the Sybase Data Administrator. These .IDS files resemble ODBC DSNs.
  •  Adaptive Server Enterprise (ASE):
    < DIV>"Provider=Sybase.ASEOLEDBProvider;Srvr=myASEserver,5000;Catalog= myDBname;UserId=username;Password=password" 
       - some reports on problem using the above one, try the following as an alternative -

    "Provider=Sybase.ASEOLEDBProvider;Server Name=myASEserver,5000;Initial Catalog= myDBname;UserId=username;Password=password"
    This one works only from Open Client 12.5 where the server port number feature works,燼llowing fully qualified connection strings to be used without defining燼ny .IDS Data Source files.
 Informix  ODBC 

  •  Informix 3.30:
    "Dsn='';Driver={INFORMIX 3.30 32 BIT};Host=hostname;Server=myserver;Service=service-name;Protocol=olsoctcp;Database=mydb;UID=username;PWD=myPwd


  •  Informix-CLI 2.5:
    "Driver={Informix-CLI 2.5 (32 Bit)};Server=myserver;Database=mydb;Uid=username;Pwd=myPwd"


 OLE DB 

  •  IBM Informix OLE DB Provider:
    "Provider=Ifxoledbc.2;password=myPw;User ID=myUser;Data Source=dbName@serverName;Persist Security Info=true"


 Mimer SQL  ODBC 

  •  Standard Security:
    "Driver={MIMER};Database=mydb;Uid=myuser;Pwd=mypw;"


  •  Prompt for username and password:
    "Driver={MIMER};Database=mydb;"


 PostgreSQL  Core Labs PostgreSQLDirect (.NET) 

  •  Standard:
    "User ID=root; Password=pwd; Host=localhost; Port= 5432;Database=testdb;Pooling=true; Min Pool Size=0; Max Pool Size=100; Connection Lifetime=0"
    Read more at Core Lab and the product page.


 DSN  ODBC 

  •  DSN:
    "DSN=myDsn;Uid=username;Pwd=;"


  •  File DSN:
    "FILEDSN=c:\myData.dsn;Uid=username;Pwd=;"


 Excel  ODBC 

  •  Standard:
    "Driver={Microsoft Excel Driver (*.xls)};DriverId=790;Dbq=C:\MyExcel.xls;DefaultDir=c:\mypath;"


 OLE DB 

  •  Standard:
    "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\MyExcel.xls;Extended Properties=""Excel 8.0;HDR=Yes;IMEX=1"""
    "HDR=Yes;" indicates that the first row contains columnnames, not data
    "IMEX=1;" tells the driver to always read "intermixed" data columns as text
    TIP! SQL syntax: "SELECT * FROM [sheet1$]" - i.e. worksheet name followed by a "$" and wrapped in "[" "]" brackets.
 Text  ODBC 

  •  Standard:
    "Driver={Microsoft Text Driver (*.txt; *.csv)};Dbq=c:\txtFilesFolder\;Extensions=asc,csv,tab,txt;"


 OLE DB 

  •  Standard:
    < DIV> "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\txtFilesFolder\;ExtendedProperties=""text;HDR=Yes;FMT=Delimited"""
    "HDR=Yes;" indicates that the first row contains columnnames, not data
 DBF / FoxPro  ODBC 

  •  standard:
    "Driver={Microsoft dBASE Driver (*.dbf)};DriverID=277;Dbq=c:\mydbpath;"


 OLE DB, OleDbConnection (.NET) 

  •  standard:
    "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\folder;Extended Properties=dBASE IV;User ID=Admin;Password="


 Visual FoxPro  OLE DB, OleDbConnection (.NET) 

  •  Database container (.DBC):
    "Provider=vfpoledb.1;Data Source=C:\MyDbFolder\MyDbContainer.dbc;Password=MyPassWord;Collating Sequence=machine"


  •  Free table directory:
    "Provider=vfpoledb.1;Data Source=C:\MyDataDirectory\;Password=MyPassWord;Collating Sequence=general"
    Read more (Microsoft msdn) >>
 ODBC 

  •  Database container (.DBC):
    "Driver={Microsoft Visual FoxPro Driver};SourceType=DBC;SourceDB=c:\myvfpdb.dbc;Exclusive=No;Collate=Machine;"


  •  Free Table directory:
    "Driver= {MicrosoftVisualFoxProDriver};SourceType=DBF;SourceDB=c:\myvfpdbfolder;Exclusive=No;Collate=Machine;"
    "Collate=Machine" is the default setting, for other settings check the list of supported collating sequences >>

Microsoft Visual Foxpro site: http://msdn.microsoft.com/vfoxpro 

 Pervasive  ODBC 

 OLE DB 

 UDL  UDL 

  •  UDL:
    "File Name=c:\myDataLink.udl;"

本文转自tiasys博客园博客,原文链接:http://www.cnblogs.com/tiasys/archive/2008/07/23/1249879.html,如需转载请自行联系原作者

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