1）使用OleDB组件是通过Oracle OleDB驱动程序（OraOLEDB.dll）连接和访问Oracle数据库2）使用System.Data.OracleClient.dll组件（ADO.Net组件）OleDbConnection模式:<add key="ConnectionString" value="Provider=OraOLEDB.Oracle.1;Data Source=o
使用数据源为System.Data.Oledb,Provider为Oracle Provider For .Net 没用OracleClient,因为这个只能用在Oracle Provider要改为Oracle Proider form Net,默认的MS Oledb For Oracle不支持高版本Oracle(8.0以上) ConnectionString如下: Provider=OraOLEDB.Oracle.1;Password=“”;Persist Security Info=True;User ID=“”...
Oracle OLEDB连接池和无效连接 、、、 我们使用ADO访问Oracle 10g release 2,Oledb provider for Oracle 10g。我们正面临一些关于连接池的问题。数据库驻留在远程计算机上,并且连接池正在如期发生。但是,如果远程计算机由于某种原因而关闭,则连接将从池中返回,并且对该连接的查询将失败。当此连接关闭时,它将返回到池中...
For example: "FetchSize=100;CacheType=Memory;OSAuthent=0;PLSQLRSet=1;" OraOLEDB-specific Connection String Attributes for Data Source Objects The OSAuthent attribute specifies whether OS authentication will be used when connecting to an Oracle database. Valid values are 0 (disabled) and 1 (...
Connection string ThisOracle Provider for OLE DBconnection string can be used for connections toOracle. Provider=OraOLEDB.Oracle; Data Source=(DESCRIPTION=(CID=GTU_APP)(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=myHost)(PORT=myPort)))(CONNECT_DATA=(SID=MyOracleSID)(SERVER=DEDICATED))); ...
Oracle OLEDB不支持sys以sysdba方式登陆 Oracle OLEDB常见的connection string如下: "Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;User Id=Username;Password=asdasd;" 其中,User Id可以写system,可以登陆成功。但如果写成sys,会有错误消息:sys必须以sysdba方式登陆。但是Oracle OLEDB并不支持下列方式:...
OracleODBCNew 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;"OLEDB, OleDbConnection (.NET)Standard security:"Provider=...
您可以使用ConnectionString屬性來連線到各種數據源。 下列範例說明數個可能的連接字串。 "Provider=MSDAORA; Data Source=ORACLE8i7;Persist Security Info=False;Integrated Security=Yes" "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=c:\bin\LocalAccess40.mdb" "Provider=SQLOLEDB;Data Source=(local);Integrate...
OleDbCommand属于DBcommand(还包括odbcCommand\OracleCommand\SqlCommand)类派生,DBcommand的作用是: 当建立与数据源的连接后,可以使用 DBCommand 对象来执行命令并从数据源中返回结果; OleDbCommand就是在建立OleDBConnection之后,可以从数据源中返回数据结果,如sql查询结果,具体见下面说明...
Connection string ThisOracle Provider for OLE DBconnection string can be used for connections toOracle. This one specifies the number of rows the provider will fetch at a time (fetch array). Provider=OraOLEDB.Oracle;Data Source=MyOracleDB;User Id=myUsername; ...