// C# public OracleRef(OracleConnectioncon, stringudtTypeName, stringobjTabName); Parameters con AnOracleConnectioninstance. udtTypeName A user-defined type name. objTabName An object table name. Exceptions ArgumentException- The object type name or the object table name is not valid. ...
//p1作为参数stringsql="insert into 表名(id,strValue) values(1,:p1)";stringdata="你的大字符串"; OracleConnection conn=newOracleConnection('连接字符串'); OracleCommand cmd=newOracleCommand(sql, conn); OracleParameter p1=newOracleParameter("p1", OracleDbType.Clob); p1.Value=data; cmd.Para...
OracleCommand command=newOracleCommand(queryString, connection); command.CommandText="SELECT * FROM Emp WHERE Job = :pJob AND Sal = :pSal";for(intj =0; j < myParamArray.Length; j++) command.Parameters.Add(myParamArray[j]);stringmessage ="";for(inti =0; i < command.Parameters.Count; i...
This constructor instantiates a new instance of the OracleConnection class with the provided connection string. Declaration Copy // C# public OracleConnection(string connectionString); Parameters connectionString The connection information used to connect to the Oracle database. Remarks The Connectio...
stringqueryString ="SELECT * FROM Table1 WHERE Field1 LIKE ?"; OleDbCommand command =newOleDbCommand(queryString, connection); command.Parameters.Add("@p1", OleDbType.Char,3).Value ="a"; OleDbDataReader reader = command.ExecuteReader(); ...
stringqueryString ="SELECT * FROM Table1 WHERE Field1 LIKE ?"; OleDbCommand command =newOleDbCommand(queryString, connection); command.Parameters.Add("@p1", OleDbType.Char,3).Value ="a"; OleDbDataReader reader = command.ExecuteReader(); ...
publicSystem.Data.OracleClient.OracleParameterCollection Parameters {get; } 属性值 OracleParameterCollection SQL 语句或存储过程的参数。 默认值为空集合。 示例 以下示例创建 并OracleCommand显示其参数。 为此,向 方法传递了一个 、一个OracleConnection作为 SQL SELECT 语句的OracleParameter查询字符串和一个对象数组...
1、Web.config配置文件中节点<connectionStrings><add name="ConnectionString" connectionString="Data Source=jde;Persist Security Info=True;User ID=jde;Password=jde;Unicode=True" providerName="System.Data.OracleClient"/></connectionStrings>以上是oracle数据库的连接字符串name:连接字 2、符串名connectionString...
To enable or disable connection pooling, open ODBC Data Source Administrator in the Administrative Tools folder of Control Panel. The Connection Pooling tab allows you to specify connection pooling parameters for each ODBC driver installed. Connection pooling changes for a specific ODBC driver affect al...
(sys.argv)==1:print"%s: error:%s\n"%(sys.argv[0],"No command options given")parser.print_help()sys.exit(3)#Usage parameters for spatial database connectiondatabase_type=options.Database_type.upper()instance=options.Instanceaccount_authentication=options.account_authentication.upper()passwor...