zoukankan      html  css  js  c++  java
  • oracle获取clob调优

    引用Oracle.DataAccess.dll,,在oracle 安装目录下的D:oracleproduct10.2.0db_1ODP.NETin1.xOracle.DataAccess.dll
     public static void GetFirstData(string connectionString, string commandString,out string xml,out string last_update_dtime,
                 params OracleParameter[] parameters)
            {
                using (Oracle.DataAccess.Client.OracleConnection myConnection = new Oracle.DataAccess.Client.OracleConnection(connectionString))
                {
                    try
                    {
                        xml = "";
                        last_update_dtime = "";
                        Oracle.DataAccess.Client.OracleCommand myORACCommand = myConnection.CreateCommand();
    
                        myORACCommand.CommandText = commandString;
    
                        myConnection.Open();
    
                        Oracle.DataAccess.Client.OracleDataReader myDataReader = myORACCommand.ExecuteReader();
                        myDataReader.Read();
                        xml = myDataReader.GetValue(1).ToString();
                        last_update_dtime = myDataReader.GetValue(0).ToString();
                        myDataReader.Close();
                        myConnection.Close();
                       
                    }
                    catch (Exception ex)
                    {
                        xml = "";
                        last_update_dtime = "";                 
                    }
                };
    
            }
    

      

  • 相关阅读:
    表格标签
    常用标签
    标签笔记
    基础标签与格式
    态度!
    如何修改数据 练习
    增删查练习
    登陆注册练习
    PHP 数据访问
    PHP 基础知识测试题 答案分析
  • 原文地址:https://www.cnblogs.com/wdw31210/p/6479804.html
Copyright © 2011-2022 走看看