Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ORACLEÌåϵ½á¹¹ ÄÚ´æ½á¹¹

ORACLEÊý¾Ý¿âÆô¶¯Ê±·ÖÅäÒ»´ó¿é·Ç³£´óµÄÄÚ´æÇøÓò¡£ORACLEÔËÐйý³ÌÖÐËùÓеIJÙ×÷¶¼ÔÚÕâÀï½øÐС£
ORACLEÄÚ´æ=SGA+PGA¡£
SGA=Êý¾Ý¸ßËÙ»º³åÇø+ÈÕÖ¾»º³åÇø+¹²Ïí³Ø+´ó³Ø+Java³Ø¡£
Êý¾Ý¸ßËÙ»º³åÇø£ºÊý¾Ý¸ßËÙ»º³åÇøÊÇ×î½ü´ÓÊý¾ÝÎļþÖмìË÷³öÀ´µÄÊý¾Ý£¬»º´æÆðÀ´¹©ËùÓÐÓû§¹²Ïí¡£
ÈÕÖ¾»º³åÇø£º»º´æÓû§¶ÔÊý¾Ý¿âÖ´Ðеĸ÷Àà²Ù×÷µÄÖØ×ö¼Ç¼¡£
¹²Ïí³Ø£º»º´æ×î½üÖ´ÐйýµÄSQLÃüÁî¡¢PL/SQL³ÌÐò¡¢Êý¾Ý×ֵ䡣ÊǶÔSQL¡¢PL/SQL½øÐзÖÎö¡¢±àÒë¡¢Ö´ÐеÄÇøÓò¡£
¹²Ïí³Ø=¿â»º´æ£¨SQL¹¤×÷Çø+PL/SQL¹¤×÷Çø£©+Êý¾Ý×ֵ仺´æ
´ó³Ø£ºÕâÊÇÒ»¸ö¿ÉÑ¡µÄÄÚ´æÅäÖÃÏÖ÷ҪΪORACLE¶àÏ̷߳þÎñÆ÷¡¢·þÎñÆ÷I/O½ø³Ì¡¢Êý¾Ý¿â±¸·ÝºÍ»Ö¸´²Ù×÷¡¢Ö´ÐоßÓдóÁ¿ÅÅÐò²Ù×÷µÄSQLÓï¾äµÈÐèÒª´óÁ¿»º´æʱÌṩÄÚ´æ¿Õ¼ä¡£
Java³Ø£ºÌá¸ß¶ÔJava³ÌÐò¿ª·¢µÄÖ§³Ö£¬ÓÃÓÚ´æ´¢Java³ÌÐò¡¢JavaÓï·¨·ÖÎö±í¡¢JavaÓï¾äµÄÖ´Ðз½°¸ºÍJava³ÌÐò¿ª·¢
PGA=ÅÅÐòÇø+»á»°Çø+ÓαêÇø+¶ÑÕ»Çø
ÅÅÐòÇø£ºÓÃÓÚ´æ·ÅÅÅÐò²Ù×÷Ëù²úÉúµÄÁÙʱÊý¾Ý
»á»°Çø£º´æ´¢µ±Ç°»á»°µÄÐÅÏ¢£¬Óû§Ãû¡¢¿ÚÁȨÏÞ¡¢½ÇÉ«µÈÐÅÏ¢
ÓαêÇø£º´æ·ÅÓαê²Ù×÷ʱ²úÉúµÄÊý¾Ý
¶ÑÕ»Çø£ºÓÃÓÚ±£´æ»á»°¹ý³ÌÖеıäÁ¿


Ïà¹ØÎĵµ£º

oracleÊý¾Ý¿âÎļþÔÚ´ÅÅÌÖеÄÒƶ¯

1¡¢¹Ø±ÕÊý¾Ý¿â >>shutdown immediate;
2¡¢¿½±´Îļþ£¨*.dbf)µ½Ä¿µÄÎļþ¼Ð;
3¡¢Æô¶¯Êý¾Ý¿â >>startup mount;
4¡¢¸ü¸Ä·¾¶
>>alter database rename file 'C:\oracle\oradata\global\USERS01.DBF' to 'D:\oracle\USERS01.DBF';
>>alter database rename file 'C:\oracle\oradata\global\UNDOTBS ......

oracleѧϰ£¨´´½¨±í£©

ÎÒÏë×î³õѧϰÊý¾Ý¿âʱ¶¼ÊÇÒÔstudent±í¡¢course±íºÍsc±íΪÀýµÄ°É
Ê×ÏÈ´´½¨ÕâÈýÕÅ±í£º±ØҪʱ¿ÉÖØд´½¨Óû§¼°ÃÜÂë²¢µÇ½
»·¾³£ºoracle 10g
declare
  vcnt number;
begin
  select count(*) into vcnt from user_tables where table_name='SC';
  If vcnt = 1 Then
    Execute immedi ......

PHP ÖÐʹÓÃoracle »·¾³ÅäÖÃ

http://www.oracle.com/technology/global/cn/pub/notes/technote_php_instant.html
Ϊ Linux ºÍ Windows °²×° PHP ºÍ Oracle 10g Instant Client
×÷ÕߣºChristopher Jones£¬¼×¹ÇÎĹ«Ë¾µÄ×Éѯ¼¼ÊõÈËÔ±
·¢²¼ÈÕÆÚ£º2004 Äê 12 ÔÂ
Oracle 10g Instant Client£¨Ãâ·ÑÏÂÔØ£©ÊÇPHP ÓëÔ¶³Ì Oracle Êý¾Ý¿âÁ¬½ÓµÄ×î¼òµ¥·½Ê½£¬Ëü ......

×öoracle¸ß¼¶¸´ÖÆʱ³öÏÖORA 23375±¨´íµÄ½â¾ö°ì·¨

½ñÌì×ö¸ß¼¶¸´ÖÆʵÑ飬ִÐе½Ìí¼Ómaster siteʱÓöµ½´ËÎÊÌ⣬ÉÏÍøËÑÁËËÑ£¬ÓÐÈçϼ¸ÖÖÒâ¼û£º
1.ÊÚȨ¹ý³Ì²»¶Ô——Çë×Ðϸ°´ÕÕÎĵµÉϵÄ˵Ã÷½øÐС£
2.°æ±¾ÎÊÌâ——¿É²é¿´v$optionÊÓͼÖÐÏà¹Ø²ÎÊýÊÇ·ñΪtrue¡£
3.°æ±¾ÎÊÌâ——ÓиöתÌùmetalinkµÄÎÄÕÂÉÏ˵ֻÓÐoracleÆóÒµ°æÖ§³Ö¸ß¼¶¸´ÖÆ¡£
¶¼Ã»Óн⾠......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ