Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C#»·¾³ÏÂÍùoracleÖеÄblob×ֶβåÈëÎļþ

Ìí¼ÓÒýÓà           
using System.Data.OracleClient;
Ö÷ÒªÓõ½ÁËÁ½¸öÀà
System.Data.OracleClient.OracleConnection ±íʾһ¸öµ½Êý¾Ý¿âµÄÁ¬½Ó¡£´ËÀàÎÞ·¨¼Ì³Ð¡£
System.Data.OracleClient.OracleCommand   ±íʾÕë¶ÔÊý¾Ý¿âÖ´ÐÐµÄ SQL Óï¾ä»ò´æ´¢¹ý³Ì¡£´ËÀàÎÞ·¨¼Ì³Ð¡£
m_pathΪÒѾ­»ñÈ¡µÄÎļþÃû(full name)
±íFJ_SÖж¨ÒåÁËÈý¸ö×Ö¶ÎXM_ID(varchar(50)),XM_NAME(varchar(50),FJ_FILE(blob)
        private bool InputRecordToOracle(string sFilePath
        {
            if (m_Path == null)
            {
                return false;
            }
            //»ñµÃÎļþÁ÷
            System.IO.FileStream pFS = new System.IO.FileStream(m_Path, FileMode.Open, FileAccess.Read);
            Byte[] pBuffer = new Byte[pFS.Length];//°ÑÎļþת³ÉByteÐͶþ½øÖÆÁ÷
            pFS.Read(pBuffer, 0, pBuffer.Length);//°Ñ¶þ½øÖÆÁ÷¶ÁÈ뻺³åÇø
            pFS.Close();
            try
            {
                string sConnecStr = "Data Source=*;User ID=*;Password=*";
                OracleConnection pConn = new OracleConnection(sConnecStr);
          &n


Ïà¹ØÎĵµ£º

Oracle Tuning

¡¡     ¹ØÓÚOracleµÄÐÔÄܵ÷Õû£¬Ò»°ã°üÀ¨Á½¸ö·½Ã棬һÊÇÖ¸OracleÊý¾Ý¿â±¾ÉíµÄµ÷Õû£¬±ÈÈçSGA¡¢PGAµÄÓÅ»¯ÉèÖ㬶þÊÇÁ¬½ÓOracleµÄÓ¦ÓóÌÐòÒÔ¼°SQLÓï¾äµÄÓÅ»¯¡£×öºÃÕâÁ½¸ö·½ÃæµÄÓÅ»¯£¬¾Í¿ÉÒÔʹһÌ×ÍêÕûµÄOracleÓ¦ÓÃϵͳ´¦ÓÚÁ¼ºÃµÄÔËÐÐ״̬¡£
¡¡¡¡ ±¾ÎÄÖ÷ÒªÊǰÑһЩOracle TuningµÄÎÄÕÂ×÷ÁËÒ»¸ö¼òµ¥µÄ×ܽᣬ ......

ÈçºÎÔÚORACLEÖе¼Èëµ¼³ödmpÎļþ£¿

OracleÊý¾Ýµ¼Èëµ¼³öimp/exp¾ÍÏ൱ÓÚoracleÊý¾Ý»¹Ô­Ó뱸·Ý¡£expÃüÁî¿ÉÒÔ°ÑÊý¾Ý´ÓÔ¶³ÌÊý¾Ý¿â·þÎñÆ÷µ¼³öµ½±¾µØµÄdmpÎļþ£¬impÃüÁî¿ÉÒÔ°ÑdmpÎļþ´Ó±¾µØµ¼Èëµ½Ô¶´¦µÄÊý¾Ý¿â·þÎñÆ÷ÖС£ ÀûÓÃÕâ¸ö¹¦ÄÜ¿ÉÒÔ¹¹½¨Á½¸öÏàͬµÄÊý¾Ý¿â£¬Ò»¸öÓÃÀ´²âÊÔ£¬Ò»¸öÓÃÀ´ÕýʽʹÓá£
Ö´Ðл·¾³£º¿ÉÒÔÔÚSQLPLUS.EXE»òÕßDOS£¨ÃüÁîÐУ©ÖÐÖ´ÐУ¬
DOSÖп ......

(Oracle£©rownumÓ÷¨Ïê½â

(Oracle£©rownumÓ÷¨Ïê½â
2008-08-06 15:41
¶ÔÓÚrownumÀ´ËµËüÊÇoracleϵͳ˳Ðò·ÖÅäΪ´Ó²éѯ·µ»ØµÄÐеıàºÅ£¬·µ»ØµÄµÚÒ»ÐзÖÅäµÄÊÇ1£¬µÚ¶þÐÐÊÇ2£¬ÒÀ´ËÀàÍÆ£¬Õâ¸öα×ֶοÉÒÔÓÃÓÚÏÞÖÆ²éѯ·µ»ØµÄ×ÜÐÐÊý£¬ÇÒrownum²»ÄÜÒÔÈκαíµÄÃû³Æ×÷Ϊǰ׺¡£
(1) rownum ¶ÔÓÚµÈÓÚijֵµÄ²éѯÌõ¼þ
Èç¹ûÏ£ÍûÕÒµ½Ñ§Éú±íÖеÚÒ»ÌõѧÉúµÄÐÅÏ¢£¬¿É ......

Oracle Ìåϵ½á¹¹ ORA

Linux/UnixÉÏ£¬OracleÊǶà¸ö½ø³ÌʵÏֵģ¬Ã¿Ò»¸öÖ÷Òªº¯Êý¶¼ÊÇÒ»¸ö½ø³Ì£»ÔÚWindowsÉÏ£¬ÔòÊÇÒ»¸öµ¥Ò»½ø³Ì£¬½ø³ÌÖаüº¬¶à¸öÏ̡߳£
Oracle°ÑһϵÁÐÎïÀíÎļþ£¬ÈçÊý¾ÝÎļþ(Data file)¡¢¿ØÖÆÎļþ(Control file)¡¢Áª»úÈÕÖ¾(Redo log file)¡¢²ÎÊýÎļþ(spfile or pfile)µÈÎïÀí½á¹¹¼°ÓëÖ®¶ÔÓ¦µÄÂß¼­½á¹¹£¬Èç±í¿Õ¼ä(Tablespace)¡¢¶Î(Seg ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ