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

C#´¦Àíoracle lobµÄÀý×Ó

  protected void BindData1()
    {
        OracleConnection orcn = new OracleConnection("User ID=wesoftwcp; Password=wesoft; Data Source=oradb");
        orcn.Open();
        string MyData = "";
        StreamReader rs = new StreamReader(@"c:\1.txt");
        MyData = rs.ReadToEnd();
        rs.Close();
        //OracleConnection orcn = new OracleConnection("User ID=wesoftwcp; Password=wesoft; Data Source=oradb");
        //orcn.Open();
        OracleType lobtype = OracleType.Clob; //Èç¹ûÊÇblobÕâÀï¸Ä³ÉOracleType.blob
        string CreateTempBlob = "DECLARE A " + lobtype + "; " +
            "BEGIN " +
            "DBMS_LOB.CREATETEMPORARY(A, FALSE); " +
            ":LOC := A; " +
            "END;";
        OracleTransaction transaction = orcn.BeginTransaction();
        OracleParameter[] param = new OracleParameter[1];
        param[0] = new OracleParameter("LOC", OracleType.Clob);
        //OracleHelper.CacheParameter(CreateTempBlob,param);
        OracleCommand cmdTemp = new OracleCommand(CreateTempBlob, orcn);
        param[0].Direction = ParameterDirection.Output;
        //OracleHelper.ExecuteNonQuery(transaction


Ïà¹ØÎĵµ£º

oracleµÄÊý¾ÝÀàÐÍ

ÔÚORACLE8Öж¨ÒåÁË£º±êÁ¿(Scalar)¡¢¸´ºÏ(COMPOSITE)¡¢ÒýÓÃ(REFERENCE)ºÍLOBËÄÖÖÊý¾ÝÀàÐÍ¡£
£¨Ò»£©±êÁ¿(Scalar)
    ±êÁ¿ÀàÐÍÓëÊý¾Ý¿âµÄÁÐËùʹÓõÄÀàÐÍÏàͬ£¬´ËÍâËü»¹ÓÐһЩÀ©Õ¹¡£
    ËüÓÖ·ÖΪÆß¸ö×飺Êý×Ö¡¢×Ö·û¡¢ÐС¢ÈÕÆÚ¡¢Ðбêʶ¡¢²¼¶ûºÍ¿ÉÐÅ¡£
¢ÙÊý×Ö
¡¡
    ÓÐÈ ......

ÓÃORACLE½¨Á¢Êý¾Ý¿â£¨Ïê½â£©


Êý¾Ý¿â½á¹¹ºÍ¿Õ¼ä¹ÜÀí£¨Êý¾ÝÎļþ¡¢ÈÕÖ¾Îļþ¡¢±í¿Õ¼ä¡¢¶Î¡¢Ä£Ê½ºÍģʽ¶ÔÏó£©
   Ò»¸öORACLEÊý¾Ý¿âÊÇÊý¾ÝµÄ¼¯ºÏ,±»´¦Àí³ÉÒ»¸öµ¥Î»¡£Ò»¸öORACLEÊý¾Ý¿âÓÐÒ»¸öÎïÀí½á¹¹ºÍÒ»¸öÂß¼­½á¹¹¡£
   ORACLEÂß¼­Êý¾Ý¿â½á¹¹ÊÇÓû§ËùÉæ¼°µÄÊý¾Ý¿â½á¹¹¡£Ò»¸öORACLEÊý¾Ý¿âµÄÂß¼­½á¹¹ÓÉÏÂÁÐÒòËØ¾ö¶¨:
  &nb ......

MD5¼ÓÃܵÄÒ»°ã·½·¨(ASP.NET / C#2005)

  /// <summary>
/// ·½·¨Ò»:ͨ¹ýʹÓà new ÔËËã·û´´½¨¶ÔÏó
/// </summary>
/// <param name="strSource">ÐèÒª¼ÓÃܵÄÃ÷ÎÄ</param>
/// <returns>·µ»Ø16λ¼ÓÃܽá¹û£¬¸Ã½á¹ûÈ¡32λ¼ÓÃܽá¹ûµÄµÚ9λµ½25λ</returns>
public string Get_MD5_Method1(strin ......

oracle³£Óþ­µäSQL²éѯ£¨×ªÔØ£©

³£ÓÃSQL²éѯ£º
1¡¢²é¿´±í¿Õ¼äµÄÃû³Æ¼°´óС
select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_size
from dba_tablespaces t, dba_data_files d
where t.tablespace_name = d.tablespace_name
group by t.tablespace_name;
2¡¢²é¿´±í¿Õ¼äÎïÀíÎļþµÄÃû³Æ¼°´óС
select tablespace_name, file_id, ......

½âËø±í(oracle)

µ±Ê¹ÓÃ'for update' Ôì³É±íËø×¡ÁË.¿ÉÒÔÓÃDBAµÇ½°´ÕÕÏÂÃæ²½Öè:
1.²é¿´Äĸö±í±»Ëø:
select b.owner,b.object_name,l.session_id,l.locked_mode
from v$locked_object l, dba_objects b
where b.object_id=l.object_id;
2.²é¿´±»Ëø±íµÄsid ºÍserial# :
select t2.username,t2.sid,t2.serial#,t2.logon_time
from v$lo ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ