•  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;"
  
  
  

•  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;"
  
  
  

•  Standard:
  
  "Data Source=MyOracleDB;Integrated Security=yes;"

  This one works only with Oracle 8i release 3 or later

•  Specifying username and password:
  
  "Data Source=MyOracleDB;User Id=username;Password=passwd;Integrated Security=no;"

  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()

  
  
  

  Missing the System.Data.OracleClient namespace? Download .NET Managed Provider for Oracle >>

  Great article! "Features of Oracle Data Provider for .NET" by Rama Mohan G. at C# Corner

  
  
  

•  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.

•  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 >> 

原文章出處  http://www.connectionstrings.com/