•  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;User ID=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;User Id=sa;Password=asdasd;"
           - or -
        "Server=Aron1;Database=pubs;User ID=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 -
        "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;User ID=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;User ID=sa;Password=asdasd;"
        Want to learn data shaping? Check out 4GuyfFromRolla's great article about Data Shaping >>
    •  Read more

    •  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;User Id=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;user id=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:
          "Data Source=server;Database=mydb;User ID=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:
          "Driver={Easysoft IB6 ODBC};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 InterBase ODBC Driver (*.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;user id=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={SYBASE SYSTEM 11};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=Sybase SQL Anywhere 5.0; 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):
          "Provider=Sybase.ASEOLEDBProvider;Srvr=myASEserver,5000;Catalog=myDBname;User Id=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;User Id=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:
          "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\txtFilesFolder\;Extended Properties=""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={Microsoft Visual FoxPro Driver};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
    •  UDL
      •  UDL

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