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

oracle ÄÜ´æÕâÑùµÄÈÕÆÚÂð£¿

OracleÄÜ´æ²»´øÄêÔÂÈÕ  ±ÈÈç10:12:00ÕâÑùµÄÈÕÆÚÂð£¿ÏÈлÁË
SQL code:
µ±È»¿ÉÒÔÁË!

select to_char(sysdate,'hh24:mi:ss') from dual


ÊÔÊÔ
select to_date('15:13:55','hh24:mi:ss') from dual
date×ֶΰüº¬ÄêÔÂÈÕʱ·ÖÃ룬Èç¹ûÖ»´æÊ±·ÖÃ룬¿ÉÒÔ¿´µ½£¬ÄêÔÂÈÕ²¿·Ö»áÒÔ±¾ÔµĵÚÒ»ÌìÀ´²¹³ä
²éѯµÄʱºò¿ÉÒÔto_char(datetime1,'hh24:mi:ss')Ö»ÏÔʾʱ·ÖÃ벿·Ö»òÕ߸ù¾ÝÕⲿ·ÖÀ´ÅжÏ

ºÃµÄ лÁ˰¡


¿ÉÒÔ´æÓÃto_charºÍto_date¸ñʽ»¯¾Í¿ÉÒÔÁË£¬Â¥ÉÏ˵ÁË£¬°³¾Í²»ËµÁË£¬ºÙºÙ

ÒýÓÃ
OracleÄÜ´æ²»´øÄêÔÂÈÕ  ±ÈÈç10:12:00ÕâÑùµÄÈÕÆÚÂð£¿ÏÈлÁË

oracle²»ÄÜ´æ´¢ÕâÑùµÄÈÕÆÚ£¬²»¹ý¿ÉÒÔselect to_char(sysdate,'hh24:mi:ss') from dual¶Ôʱ¼ä½øÐÐÏàÓ¦´¦Àí£¬À´Âú×ãÄãµÄÐèÇó ºÇºÇ

ÒýÓÃ
OracleÄÜ´æ²»´øÄêÔÂÈÕ  ±ÈÈç10:12:00ÕâÑùµÄÈÕÆÚÂð£¿ÏÈлÁË


10:12:00²»ÊÇÈÕÆÚÁË£¬µ±×Ö·û´®´æ

Èç¹ûÊÇÈÕÆÚµÄ»°£¬²»ÐèÒª¹Ü´æµÄ¸ñʽ£¬¸ñʽÏÔʾµÄʱºòÓÃto_char(datefield, 'hh24:mi:ss')ת»»Ò»Ï¾ͿÉÒÔÁË


Ïà¹ØÎÊ´ð£º

oracleÈëÃÅÅäÖÃ

oracleÁ¬½ÓɶÕâô¸´ÔÓ°¡.
oracle 10g
ÓÃps/sql devÔõôҲÁ¬²»ÉÏ.
ÓÃsqlplus¿ÉÒԵǽ.net manager֮ǰ²âÊÔÁ¬½ÓÁ˳ɹ¦µÄ.ÏÖÔÚ¸ãµÃÒ²Á¬½Ó²»ÁË.
listener.ora:
SID_LIST_LISTENER =
  (SID_LIST =
  ......

adoÁ¬½ÓoracleµÄ¹ÖÎÊÌâ

ÒÔǰ³ÌÐòºÃºÃµÄ,ÄܽøÐÐÈκβÙ×÷
µ«´Ó×òÌ쿪ʼͻȻÁ¬½ÓÊý¾Ý¿âʧ°Ü,´úÂëÈçÏÂ:
try
{
        ::CoInitialize(NULL);
        hr=m_pConnection.Creat ......

ÊÇoracleµÄbugô£¿É¢·ÖÁË£¡ - Oracle / »ù´¡ºÍ¹ÜÀí

±¾À´ÒªÐ´¸öupdateÓï¾ä
update table_a A
  set A.flag=1
  where A.id in (select B.id from table_b B)
½á¹ûÎóд³É
update table_a A
  set A.flag=1
  where ......

oracle·þÎñ״̬ÏÔʾ ¡°Í£Ö¹¡±

ÎÒÊÇÓÃÔ¶³Ì×ÀÃæÁ¬²Ù×÷·þÎñÆ÷ÉϵÄÊý¾Ý¿â¡£
ÔÚ´´½¨Ò»¸öÓû§Ö®ºó£¬ÔÙÓÃPLSQLµÇ¼£¬ÔòPLSQLËÀµôÁË¡£
ÎҹصôPLSQLÖ®ºó£¬ÓÃÆäËûÓû§Ò²²»ÄܵǼ¡£

ÎÒ°ÑoracleµÄ·þÎñÍ£Ö¹£¬½á¹û¾ÍÊÇoracleµÄ·þÎñ״̬¾ÍÍ£ÁôÔÚ¡°Í ......

¹ØÓÚoracle 10gµÄsqlplus

ÏÖÔÚÎÒ±¾µØÃ»Óа²×°oracle, µ«plsqldevÐèÒªsqlplus.exeµÈ£¬ÇëÎÊoracle10gÔÚwindowsÐèÒª
ÄÄЩexeÎļþ£¬ÄÄλ´ó¸çÄÜ˳±ãÌṩһÏÂQQ£º190565390

×°oracleµÄʱºò¿ÉÒÔÑ¡ÔñÖ»×°¿Í»§¶ËµÄ

×îÆðÂëҪװoracle£¬ÄãÖ»Ðè×°¿ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ