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 ×îÐÂÎÄÕ : Oracle

ORACLE ÐÐÁÐת»»Í¨Óô洢¹ý³Ì£¬ÒѾ­×ª»»µÄMSSQL°æ±¾

ÏÂÃæÊÇORACLEÐÐÁÐת»»Í¨Óô洢¹ý³Ì£º
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Function Fun_Split_Str(p_Str Varchar2, p_Division Varchar2, p_Seq Int)
    Return Varchar2 Is
    v_First Int;
    v_Last  Int;
  Begin
    If p_Seq < 1 Then
      Return Null;
    End If;
    If p_Seq = 1 Then
      If Instr(p_Str, p_Division, 1, p_Seq) = 0 Then
        Return p_Str;
      Else
        Return Substr(p_Str, 1, Instr(p_Str, p_Division, 1) - 1);
      End If;
    Else
      v_First := Instr(p_Str, p_Division, 1, p_Seq - 1);
      v_Last  := Instr(p_Str, p_Division, 1, p_Seq);
      If (v_Last = 0) Then
        If (v_F ......

ORACLE ÐÐÁÐת»»Í¨Óô洢¹ý³Ì£¬ÒѾ­×ª»»µÄMSSQL°æ±¾

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1¡¢
Function Fun_Split_Str(p_Str Varchar2, p_Division Varchar2, p_Seq Int)
    Return Varchar2 Is
    v_First Int;
    v_Last  Int;
  Begin
    If p_Seq < 1 Then
      Return Null;
    End If;
    If p_Seq = 1 Then
      If Instr(p_Str, p_Division, 1, p_Seq) = 0 Then
        Return p_Str;
      Else
        Return Substr(p_Str, 1, Instr(p_Str, p_Division, 1) - 1);
      End If;
    Else
      v_First := Instr(p_Str, p_Division, 1, p_Seq - 1);
      v_Last  := Instr(p_Str, p_Division, 1, p_Seq);
      If (v_Last = 0) Then
        If (v_F ......

oracle RACµÄ½ø³ÌÃÇ

GSD global services daemon (GSD)
ÓëracµÄ¹ÜÀí¹¤¾ßdbca srvctl
oem½øÐн»»¥£¬ÓÃÀ´Íê³ÉʵÀýµÄÆô¶¯¹Ø±ÕµÈ¹ÜÀíÈÎÎñ¡£
ΪÁ˱£Ö¤ÕâЩ¹ÜÀí¹¤¾ßÔËÐÐÕý³£±ØÐëÔÚËùÓеĽڵãÉÏÏÈstart
gsd,²¢ÇÒÒ»¸öGSD½ø³ÌÖ§³ÖÔÚ
Ò»¸ö½ÚµãµÄ¶à¸örac.gsd½ø³ÌλÓÚ$ORACLE_HOME/binĿ¼Ï£¬ÆälogÎļþ
Ϊ$oracle_home
/srvm/log/gsdaemon.log
ÀýÈ磺
¼ÙÉèʹÓÃoem¹¤¾ßÀ´Æô¶¯Ò»¸öʵÀý£¬oem°Ñ¸Ã
ÈÎÎñ´«µÝ¸øÏàÓ¦µÄÖÇÄÜÒýÇæ£¬¸ÃÖÇÄÜÒýÇæÉú³É
Ò»¸ö°üº¬SRVCTLÃüÁîµÄ½Å±¾Îļþ£¬GSD½ø³Ì¶ÁÈ¡¸Ã½Å±¾Îļþ²¢ÇÒÖ´Ðиýű¾£¬×îºóGSD°Ñ
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Ðнá¹û·µ»Ø¸øÖÇÄÜÒýÇæ,½ü¶øÖÇÄÜÒýÇæ·µ»Ø¸øOEM.
ÓÖÀýÈç¼ÙÉèʹÓÃsrvctl¹¤¾ß¹Ø±ÕËùÓеÄʵÀý£¬GSD½ø³Ì½ÓÊÜÀ´×ÔSRVCTL¹¤¾ß·¢³öµÄÇë
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ÔÚ±¾µØ½ÚµãÉÏÖ´ÐиÃÇëÇó£¬È»ºó°ÑÖ´Ðнá¹û·µ»Ø¸øSRVCTL»á»°¡£
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MONITORLMON
Ö÷Òª¼à²âȺ¼¯ÄÚµÄÈ«¾Ö¶ÓÁкÍÈ«¾Ö×ÊÔ´£¬¹ÜÀíʵÀýºÍ´¦ÀíÒì³£²¢ÏàÓ¦µÄȺ¼¯¶ÓÁнøÐлָ´²Ù×÷¡£
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ENQUEUE SERVICE DAEMONLMD½ø³Ì
Ö÷Òª¹ÜÀí¶ÔÈ«¾Ö¶ÓÁкÍ×ÊÔ´µÄ·ÃÎÊ£¬²¢¸üÐÂÏàÓ¦¶ÓÁеÄ״̬£¬´¦ÀíÀ´×ÔÓÚÆäËûʵÀý
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Çó¡£Ã¿Ò»¸öÈ«¾Ö¶ÓÁеĵ±Ç°×´Ì¬´æ´¢ÔÚÏàÓ¦µÄʵÀý¹²ÏíÄÚ´æÖУ¬¸Ã״̬±íÃ÷¸ÃʵÀý
¾ßÓÐÏàÓ¦µÄȨ ......

OracleÄÚ´æ½á¹¹ÓëʵÀý¼°Æä¹ÜÀí

OracleÄÚ´æ½á¹¹ÓëʵÀý¼°Æä¹ÜÀí
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ÿ¸öOracleÊý¾Ý¿â¶¼ÊÇÓÉOracle Instance£¨ÊµÀý£©ÓëÊý¾Ý¿â£¨Êý¾ÝÎļþ£¬¿ØÖÆÎļþ¡¢ÖØ×öÈÕÖ¾Îļþ£©×é³É£¬ÆäÖÐËùνʵÀý¾ÍÊÇÓû§Í¬Êý¾Ý¿â½»»¥µÄý½é£¬Óû§Í¨¹ýÓÚÒ»¸öʵÀýÏàÁ¬À´²Ù×÷Êý¾Ý¿â¡£¶øÊµÀýÓÖÊÇÓÉͳһµÄÄÚ´æ½á¹¹£¨SGA£¬PGA£¬UGA£©ºÍÒ»ÅúÄÚ´æ×¤Áô½ø³Ì×é³É¡£ÊµÀýÔÚ²Ù×÷ϵͳÖÐÓÃORACLE_SIDÀ´±êʶ£¬ÔÚOracleÖÐÓòÎÊýINSTANCE_NAMEÀ´±êʶ£¬ ËüÃÇÁ½¸öµÄÖµÊÇÏàͬµÄ¡£Êý¾Ý¿âÆô¶¯Ê±£¬ÏµÍ³Ê×ÏÈÔÚ·þÎñÆ÷ÄÚ´æÖзÖÅäϵͳȫ¾ÖÇø£¨SGA£©£¬ ¹¹³ÉÁËOracleµÄÄÚ´æ½á¹¹£¬È»ºóÆô¶¯Èô¸É¸ö³£×¤ÄÚ´æµÄ²Ù×÷ϵͳ½ø³Ì£¬¼´×é³ÉÁËOracleµÄ ½ø³Ì½á¹¹£¬ÄÚ´æÇøÓòºÍºǫ́½ø³ÌºÏ³ÆÎªÒ»¸öOracleʵÀý¡£
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1.1ÄÚ´æ¶ÔÊý¾Ý¿âµÄÓ°Ï죺
ÄÚ´æÊÇÓ°ÏìÊý¾Ý¿âÐÔÄܵÄÖØÒªÒòËØ£¬Oracle8iʹÓþ²Ì¬ÄÚ´æ¹ÜÀí£¬Oracle 10gʹÓö¯Ì¬  ÄÚ´æ¹ÜÀí¡£Ëùν¾²Ì¬ÄÚ´æ¹ÜÀí£¬¾ÍÊÇÔÚÊý¾Ý¿âϵͳÖУ¬ÎÞÂÛÊÇ·ñÓÐÓû§Á¬½Ó£¬Ò²ÎÞÂÛ²¢·¢Óà Á¿´óС£¬Ö»ÒªÊý¾Ý¿â·þÎñÔÚÔËÐУ¬¾Í»á·ÖÅä¹Ì¶¨´óСµÄÄڴ棻¶¯Ì¬ÄÚ´æ¹ÜÀíÔÊÐíÔÚÊý¾Ý¿â·þ  ÎñÔËÐÐʱ¶ÔÄÚ´æµÄ´óС½øÐÐÐ޸쬶ÁÈ¡´óÊý¾Ý¿éʱʹÓôóÄڴ棬СÊý¾Ý¿éʱʹÓÃСÄڴ棬¶Á  È¡±ê ......

³£¼ûOracle HINTµÄÓ÷¨

¡¡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_ROWS*/
¡¡¡¡±íÃ÷¶ÔÓï¾ä¿éÑ¡Ôñ»ùÓÚ¿ªÏúµÄÓÅ»¯·½·¨,²¢»ñµÃ×î¼ÑÏìӦʱ¼ä,ʹ×ÊÔ´ÏûºÄ×îС»¯.
¡¡¡¡ÀýÈç:
¡¡¡¡SELECT /*+FIRST_ROWS*/ EMP_NO,EMP_NAM,DAT_IN from BSEMPMS WHERE EMP_NO='SCOTT';
¡¡¡¡3. /*+CHOOSE*/
¡¡¡¡±íÃ÷Èç¹ûÊý¾Ý×ÖµäÖÐÓзÃÎʱíµÄͳ¼ÆÐÅÏ¢,½«»ùÓÚ¿ªÏúµÄÓÅ»¯·½·¨,²¢»ñµÃ×î¼ÑµÄÍÌÍÂÁ¿;
¡¡¡¡±íÃ÷Èç¹ûÊý¾Ý×ÖµäÖÐûÓзÃÎʱíµÄͳ¼ÆÐÅÏ¢,½«»ùÓÚ¹æÔò¿ªÏúµÄÓÅ»¯·½·¨;
¡¡¡¡ÀýÈç:
¡¡¡¡SELECT /*+CHOOSE*/ EMP_NO,EMP_NAM,DAT_IN from BSEMPMS WHERE EMP_NO='SCOTT';
¡¡¡¡4. /*+RULE*/
¡¡¡¡±íÃ÷¶ÔÓï¾ä¿éÑ¡Ôñ»ùÓÚ¹æÔòµÄÓÅ»¯·½·¨.
¡¡¡¡ÀýÈç:
¡¡¡¡SELECT /*+ RULE */ EMP_NO,EMP_NAM,DAT_IN from BSEMPMS WHERE EMP_NO='SCOTT';
¡¡¡¡5. /*+FULL(TABLE)*/
¡¡¡¡±íÃ÷¶Ô±íÑ¡ÔñÈ«¾ÖɨÃèµÄ·½·¨.
¡¡¡¡ÀýÈç:
¡¡¡¡SELECT /*+FULL(A)*/ EMP_NO,EMP_NAM from BSEMPMS A WHERE EMP_NO='SCOTT';
¡¡¡¡6. /*+ROWID(TABLE)*/
¡¡¡¡ÌáʾÃ÷È·±íÃ÷¶ÔÖ¸¶¨± ......

Oracle Óû§¼°½ÇÉ« ½éÉÜ

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1.1
½¨Á¢Óû§£¨Êý¾Ý¿âÑéÖ¤£©
    
CREATE
 
USER
  
DAVE  
IDENTIFIED 
BY
  
pwd
    
DEFAULT
TABLESPACE 
users
    
TEMPORARY
  
TABLESPACE 
temp
    
QUOTA 
5m 
ON
 
users;
 
1.2
ÐÞ¸ÄÓû§
ALTER

USER
DAVE QUOTA 0
ON
SYSTEM;
 
1.3
ɾ³ýÓû§
DROP

USER
DAVE;
DROP

USER
DAVE
CASCADE
;
 
1.4
ÏÔʾÓû§ÐÅÏ¢
SELECT
*
from
DBA_USERS
SELECT
*
from
DBA_TS_QUOTAS
 
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CREATE SESSION
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½¨±í
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½¨Á¢±í¿Õ¼ä
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CREATE SEQUENCE
½¨Á¢ÐòÁÐ
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½¨Á¢Óû§
 
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2.1
ÊÚÓèϵͳȨÏÞ
GRANT

CREATE

SES ......

Oracle ·þÎñ½ø³Ì ¼òµ¥½éÉÜ

Oracle ·þÎñ½ø³Ì-¼òµ¥½éÉÜ
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1¡¢OracleCSService
  ½ø³Ì£ºocssd.exe
½éÉÜ£ºCluster Synchronization Services (CSS)—Manages the cluster configuration by controlling which nodes are members of the cluster and by notifying members when a node joins or leaves the cluster. If you are using third-party clusterware, then the css process interfaces with your clusterware to manage node membership information.
 Google·­Ò룺¼¯ÈºÍ¬²½·þÎñ£¨css£©-¹ÜÀí¼¯ÈºÅäÖã¬Í¨¹ý¿ØÖƽڵ㣬ÆäÖеijÉÔ±¼¯ÈººÍ֪ͨ³ÉÔ±µ±Ò»¸ö½Úµã¼ÓÈë»òÀ뿪¼¯Èº¡£Èç¹ûÄúÕýÔÚʹÓõÚÈý·½µ³clusterware£¬ÄÇôcssµÄ¹ý³ÌÖеĽçÃæÓëÄúclusterware¹ÜÀí½Úµã³ÉÔ±µÄÐÅÏ¢¡£
 
2¡¢OracleDBConsoleorcl
½ø³Ì£ºnmesrvc.exe
½éÉÜ£ºoem¿ØÖÆÌ¨·þÎñ½ø³Ì£¬dbaÓá£Oracle Enterprise Manager(OracleÆóÒµ¹ÜÀíÆ÷,¼ò³ÆOEM)ÊÇͨ¹ýÒ»×éOracle³ÌÐò£¬Îª¹ÜÀí·Ö²¼Ê½»·¾³ÌṩÁ˹ÜÀí·þÎñ¡£OEM°üÀ¨ÁËÒ»×éDBA¹¤¾ß£¬Ò»¸örepository£¬ÒÔ¼°Ò»¸öͼÐλ¯ÏÔʾµÄ¿ØÖÆÌ¨¡£OEM¿ØÖÆÌ¨Óëÿһ¸ö·þÎñÆ÷ÉϵÄÖÇÄÜ»¯´úÀí ......
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