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

OracleËùÓа汾»ã×Ü

ÕÒµ½Ò»¸ö½éÉÜoracle°æ±¾µÄÎÄÕ¡£
http://wapedia.mobi/en/Oracle_Database#3. 
¡ö1979: Larry Ellison and friends founded Software Development Laboratories. 
¡ö1979: SDL changed its company-name to "Relational Software, Inc." (RSI) and introduced its product Oracle V2 as an early commercially-available relational database system. The version did not support transactions, but implemented the basic SQL functionality of queries and joins. (RSI never released a version 1 - instead calling the first version version 2 as a marketing gimmick.)[23] 
¡ö1982: RSI in its turn changed its name, becoming known as "Oracle Corporation",[24] to align itself more closely with its flagship product. 
¡ö1983: The company released Oracle version 3, which it had re-written using the C programming language and which supported COMMIT and ROLLBACK functionality for transactions. Version 3 extended platform support from the existing Digital VAX/VMS systems to include Unix environments.[24] 
¡ö1984: Oracle Corporation released Oracle version 4, which supported read-consistency. 
¡ö1985: Oracle Corporation released Oracle version 5, which supported the client-server model — a sign of networks becoming more widely available in the mid-1980s. 
¡ö1986: Oracle version 5.1 started supporting distributed queries. 
¡ö1988: Oracle RDBMS version 6 came out with support for PL/SQL embedded within Oracle Forms v3 (version 6 could not store PL/SQL in the database proper), row-level locking and hot backups.[25] 
¡ö1989: Oracle Corporation entered the application products market and developed its ERP product, (later to become part of the Oracle E-Business Suite), based on the Oracle relational database. 
¡ö1990: the release of Oracle Applications release 8[24] 
¡ö1992: Oracle version 7 appeared with support for referential integrity, stored procedures and triggers. 
¡ö1997: Oracle Corporation released version 8, which supported object-


Ïà¹ØÎĵµ£º

ORACLE ÓαêºÍÓαê±äÁ¿µÄÇø±ð

ÈçºÎ¶¨ÒåÓαêÀàÐÍ
TYPE ref_type_name IS REF CURSOR [RETURN return_type];
ÉùÃ÷Óαê±äÁ¿
cursor_name ref_type_name;
´Ó¼¼Êõµ×²ã¿´£¬Á½ÕßÊÇÏàͬµÄ¡£ÆÕͨplsql cursorÔÚ¶¨ÒåʱÊÇ“¾²Ì¬”µÄ¡£¶øRef cursors¿ÉÒÔ¶¯Ì¬´ò¿ª¡£
ÀýÈçÏÂÃæÀý×Ó£º
Declare
type rc is ref cursor;
cursor c is select * from dual ......

С²¼ÀÏʦoracleÊÓƵ½²×ù±Ê¼Ç£¨¶þ£©

Oracle Process Structure
Oracle takes advantage of various types of processes:
¡¡—User process: Started at the time a database user requests connection to the Oracle server
  —Server process: Connects to the Oracle instance and is started when a user establishes a session
& ......

Oracle Åú´¦ÀíÆô¶¯¹Ø±Õ·þÎñ

 OracleÔÚ×Ô¼º»úÆ÷ÉÏ×°Ò»¸öÓбØÒªµÄ£¬±Ï¾¹ÓÐʱºòÐèÒª×Ô¼ºÔÚ¼ÒѧϰһÏ£¬µ«µçÄÔ²»ÊÇ×Ô¼ºÓõģ¬»¹ÊÇд¸öÅú´¦Àí½â¾öһϣ¬ÐèÒªµÄʱºòµã»÷Ò»ÏÂÆô¶¯£¬²»ÐèÒª¾ÍÍ£Ö¹£¬ºÜ·½±ã¡£ÕâÀォ½Å±¾¸ø´ó¼Òдһ¸ö£¬»¶Ó­´ó¼ÒÕ³Ìù¿½±´¡£
Ê×ÏÈ£¬×Ô¼ºÏȽ«×Ô¼ºµÄ×Ô¶¯Æô¶¯·þÎñ¹Ø±Õ£¬²¢¼Ç¼һÏ£¬È»ºóÌæ»»½Å±¾ÖÐÏàÓ¦µÄ·þÎñÃû³Æ¼´¿É¡£×Ô¼ºÕ³Ìù³ö ......

Oracle¶àÐмǼºÏ²¢/Á¬½Ó/¾ÛºÏ×Ö·û´®µÄ¼¸ÖÖ·½·¨

 ¡¾ÒýÓá¿http://tangshd.blog.sohu.com/96035768.html
Oracle¶àÐмǼºÏ²¢/Á¬½Ó/¾ÛºÏ×Ö·û´®µÄ¼¸ÖÖ·½·¨
 
  ÔõôºÏ²¢¶àÐмǼµÄ×Ö·û´®£¬Ò»Ö±ÊÇoracleÐÂÊÖϲ»¶ÎʵÄSQLÎÊÌâÖ®Ò»£¬¹ØÓÚÕâ¸öÎÊÌâµÄÌû×ÓÎÒ¿´¹ý²»ÏÂ30¸öÁË£¬ÏÖÔھͶÔÕâ¸öÎÊÌ⣬½øÐÐÒ»¸ö×ܽᡣ
   ʲôÊǺϲ¢¶àÐÐ×Ö·û´®£¨Á¬½Ó×Ö·û´®£©Ä ......

OracleÃÜÂëÎļþµÄ×÷ÓúÍ˵Ã÷


ÔÚÊý¾Ý¿âδÆô¶¯Ö®Ç°µÇ½´Ó¶øÆô¶¯Êý¾Ý¿âÈç¹ûûÓпÚÁîÎļþ£¬ÔÚÊý¾Ý¿âδÆô¶¯Ö®Ç°¾ÍÖ»ÄÜͨ¹ý²Ù×÷ϵͳÈÏÖ¤.ʹÓÃRman£¬ºÜ¶àʱºòÐèÒªÔÚnomount,mountµÈ״̬¶ÔÊý¾Ý¿â½øÐд¦Àí¡£ËùÒÔͨ³£ÒªÇósysdbaȨÏÞÈç¹ûÊôÓÚ±¾µØDBA×飬¿ÉÒÔͨ¹ý²Ù×÷ϵͳÈÏÖ¤µÇ½Èç¹ûÊÇÔ¶³ÌsysdbaµÇ½£¬ÐèҪͨ¹ýpasswordfileÈÏÖ¤¡£
1.remote_login_passwordfile ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ