MS SQL 2005Á´½Ó·þÎñÆ÷Á¬½ÓÔ¶³ÌORACLEÈ«¹ý³Ì
µÚÒ»²½:ÏÂÔØ°²×°Oracle 10g Release 2 ¿Í»§¶ËÈí¼þ,ÏÂÔØÁ¬½ÓÊÇ:
http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.zip
ÏÂÔØºó°²×°
µÚ¶þ²½:ÏÂÔØ°²×°Oracle ODAC,ÏÂÔØÁ¬½ÓÊÇ:
http://download.oracle.com/otn/other/ole-oo4o/ODAC1020221.exe
µÚÈý²½: ÖØÆôMS SQL 2005ºó, ʹÓÃSQL Server Management StudioÁ¬½ÓÊý¾Ý¿â, Õ¹¿ªÄ¿Â¼,·þÎñÆ÷¶ÔÏó->Á´½Ó·þÎñÆ÷->·ÃÎʽӿÚ,
ÕÒµ½OraOLEDB.Oracle,ÓÒ¼ü->ÊôÐÔ,Ñ¡ÖÐÑ¡Ïî"ÔÊÐí½ø³ÌÄÚ" .
µÚËIJ½:Éú³ÉOracleµÄ·þÎñÃüÃû:
µÚÎå²½: ÅäÖÃÁ´½Ó·þÎñÆ÷
ÖÁ´Ë, ´ó¹¦¸æ³É!
Ïà¹ØÎĵµ£º
ѧϰOracle DBAÒ²°ë¸ö¶àѧÆÚÁË£¬½ñÌìÃÍÈ»²Å·¢ÏÖ£¬ÔÀ´ÎÒµÄÊ黹ÊǺÜеģ¬ÉϿβÙ×÷ʱºòÒ²Ö»ÊÇÖªµÀ´ó¸ÅÔõô×ö£¬µ«ÊÇÒªÕæµÄÈ«²¿×Ô¼º×ö£¬¶ø²»È¥·Ê黹ÊÇÓÐÒ»¶¨µÄÄѶȵģ¬ËùÒÔÄØ£¬½ñÌ쿪ʼ½«DBA´ÓÍ·¸´Ï°Ò»±é£¬Í¬Ê±ÔÙ²Ù×÷Ò»±é¡£
µÚÒ»Õ£¬Ñ§µÄÊÇOracleµÄÌåϵ½á¹¹£ ......
SQLÊÇÓÃÓÚ·ÃÎÊORACLEÊý¾Ý¿âµÄÓïÑÔ£¬PL/SQLÀ©Õ¹ºÍ¼ÓÇ¿ÁËSQLµÄ¹¦ÄÜ£¬Ëü ͬʱÒýÈëÁ˸üÇ¿µÄ³ÌÐòÂß¼¡£ PL/SQLÖ§³ÖDMLÃüÁîºÍSQLµÄÊÂÎñ¿ØÖÆÓï¾ä¡£DDLÔÚPL/SQLÖв»±»Ö§³Ö£¬Õâ¾ÍÒâζ×÷ÔÚPL/SQL³ÌÐò¿éÖв»ÄÜ´´½¨±í»òÆäËûÈκζÔÏ󡣽Ϻà µÄPL/SQL³ÌÐòÉè¼ÆÊÇÔÚPL/SQL¿éÖÐʹÓÃÏóDBMS_SQLÕâÑùµÄÄÚ½¨°ü»òÖ´ÐÐEXECUTE IMMEDIATEÃüÁÁ¢¶¯Ì ......
½éÉÜto_char(Êý×Ö, ‘¸ñʽ’)£¬±È½Ï³£Óõĸñʽ
9 ±íʾÓÐЧλÊý
0 ÓÃ0²¹×ãλÊý
B Óÿոñ²¹×ãλÊý
ÔÊýµÄλÖÃÓÐʵ¼ÊÊý×ÖռλµÄʱºò£¬0ºÍ9µÄЧ¹ûÊÇÒ»ÑùµÄ¡£
0ºÍ9µÄÇø±ðÔÚÓÚ¸ñʽÖеÄÄÇһλÖÃʵ¼ÊÊý×ÖûÓÐվλµÄÇé¿öÏ¡£
select to_char(0.45,'0.99'); ½á¹ûÊÇ0.45
select ......
¼ÙÉèÊý¾Ý¿âµÄÓµÓÐÕßΪoracle£¬Êý¾Ý¿âµÄÓû§Îªscott£¬Æä¿ÚÁîΪtrigger£¬
OracleÊý¾Ý¿âµÄ²ÎÊý$ORACLE_HOMEΪ/usr/oracle£¬$ORACLE_SIDΪoracle1£¬ÔòʵÏÖ²½ÖèÈçÏ£º
1¡¢½¨Á¢ÊµÏÖ±¸·ÝµÄshell
ÔÚ/usr/oracleÖÐÓÃviÃüÁÁ¢Îļþbackup.sh£¬ÆäÄÚÈÝΪ:
ORACLE_HOME=/usr/oracle; <br>export ORACLE_HOME;
ORACLE_SID= ......
ÔÚSQLÓÅ»¯¹ý³ÌÖг£¼ûOracle HINTµÄÓ÷¨£º
1. /*+ALL_ROWS*/
±íÃ÷¶ÔÓï¾ä¿éÑ¡Ôñ»ùÓÚ¿ªÏúµÄÓÅ»¯·½·¨,²¢»ñµÃ×î¼ÑÍÌÍÂÁ¿,ʹ×ÊÔ´ÏûºÄ×îС»¯.
ÀýÈç:
SELECT /*+ALL+_ROWS*/ EMP_NO,EMP_NAM,DAT_IN from BSEMPMS WHERE EMP_NO='SCOTT';
2. /*+FIRST_ROW ......