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oracle ÈçºÎµ¼³öÊý¾Ý×Öµä

-- ²éѯij±íµÄÊý¾Ý×Öµä
 SELECT  A.TABLE_NAME AS "±íÃû",A.COLUMN_NAME AS "×Ö¶ÎÃû",
 DECODE(A.CHAR_LENGTH,0,DECODE(A.DATA_SCALE,NULL,A.DATA_TYPE,A.DATA_TYPE||'('||A.DATA_PRECISION||','||A.DATA_SCALE||')'),
 A.DATA_TYPE||'('||A.CHAR_LENGTH||')') as "×Ö¶ÎÀàÐÍ1",A.DATA_TYPE AS "×Ö¶ÎÀàÐÍ",A.DATA_PRECISION AS "ÓÐЧλ",A.DATA_SCALE AS "¾«¶ÈÖµ",
A.CHAR_LENGTH AS "×ֶ㤶È",A.NULLABLE AS "ÄÜ·ñΪ¿Õ"
 from sys.user_tab_columns A where A.table_name = 'TAM_ADDRESS'
 
--  ¾ßÓÐdbaȨÏÞÓû§µ¼³öÊý¾Ý×Öµä
 SELECT  A.TABLE_NAME AS "±íÃû",A.COLUMN_NAME AS "×Ö¶ÎÃû",
 DECODE(A.CHAR_LENGTH,0,DECODE(A.DATA_SCALE,NULL,A.DATA_TYPE,A.DATA_TYPE||'('||A.DATA_PRECISION||','||A.DATA_SCALE||')'),
 A.DATA_TYPE||'('||A.CHAR_LENGTH||')') as "×Ö¶ÎÀàÐÍ",A.DATA_DEFAULT AS "ĬÈÏÖµ",
A.NULLABLE AS "ÄÜ·ñΪ¿Õ",B.comments AS "±¸×¢"
from sys.all_tab_columns A,sys.DBA_COL_COMMENTS B
WHERE A.owner=B.owner AND A.table_name=B.table_name  AND A.COLUMN_NAME=B.COLUMN_ ......

oracleС¼Ç1 5ºÅ

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a¡¢  CRUD²Ù×÷ create read update delete
b¡¢  Êý¾Ý¿â¶ÔÏó
c¡¢  Êý¾Ý¿âÉè¼Æ
d¡¢  Êý¾Ý¿â½á¹¹ÌåϵÓÅ»¯£¨DBA£©
oracleÖдæÔÚËÄÕÅÁ·Ï°±í emp dept slmgad bonus ÕâËÄÕÅ±í£¬»¹ÓÐÒ»ÕÅdual±íÁ·Ï°±í±íÖÐÖ»ÓÐÒ»¸ö×Ö¶ÎÒ»¸öÊý¾Ý¡£
¶þ¡¢          select×Ö¶ÎÖеÄһЩ³£ÓÃ×Ö¶Î
1¡¢  distinct ɾ³ýÖØ¸´×Ö¶Î
select distinct job from emp;
2¡¢  between ÔÚÖ®¼ä
   select * from emp where sal between 1000 and 2000;
   in ºÍ not inºÍbetween ÓеãÀàËÆ
                  select * from emp where sal in(1000,2000);
         select * from emp where sal not in(1000,2000);
3¡¢  order by ÅÅÐòascÉýÐò£¨Ä¬ÈÏ£© desc½µÐò
   select * from emp order by ename desc,sal;
4¡¢  like×Ö¶ÎÄ£ºýÕÒµ½ not likeÈ¡·ñ
   ......

LinuxÏÂOracle9i RMAN±¸·Ý¼°»Ö¸´²½Öè½éÉÜ

1¡¢×ª»»·þÎñÆ÷¹éµµÄ£Ê½£¬Èç¹ûÒÑÊǹ鵵ģʽ¿ÉÌø¹ý´Ë²½£º
  ¡¡%sqlplus /nolog (Æô¶¯sqlplus)
¡¡¡¡SQL> conn / as sysdba (ÒÔDBAÉí·ÝÁ¬½ÓÊý¾Ý¿â)
¡¡¡¡SQL> shutdown immediate; (¼´Ê±¹Ø±ÕÊý¾Ý¿â)
¡¡¡¡SQL> startup mount (Æô¶¯ÊµÀý²¢¼ÓÔØÊý¾Ý¿â£¬µ«²»´ò¿ª)
¡¡¡¡SQL> alter database archivelog; (¸ü¸ÄÊý¾Ý¿âΪ¹éµµÄ£Ê½)
¡¡¡¡SQL> alter database open; (´ò¿ªÊý¾Ý¿â)
¡¡¡¡SQL> alter system archive log start; (ÆôÓÃ×Ô¶¯¹éµµ)
¡¡¡¡SQL> exit (Í˳ö)
¡¡¡¡2¡¢Á¬½Ó£º
¡¡¡¡[root@dbser1 orabak]# rman target=rman/rman@mydb(Æô¶¯»Ö¸´¹ÜÀíÆ÷)
¡¡¡¡3¡¢»ù±¾ÉèÖãº
¡¡¡¡RMAN> configure default device type to disk; (ÉèÖÃĬÈϵı¸·ÝÉ豸Ϊ´ÅÅÌ)
¡¡¡¡RMAN> configure device type disk parallelism 2; (ÉèÖñ¸·ÝµÄ²¢Ðм¶±ð£¬Í¨µÀÊý)
¡¡¡¡RMAN> configure channel 1 device type disk fromat "/backup1/backup_%U"; (ÉèÖñ¸·ÝµÄÎļþ¸ñʽ£¬Ö»ÊÊÓÃÓÚ´ÅÅÌÉ豸)
¡¡¡¡RMAN> configure channel 2 device type disk fromat "/backup2/backup_%U"; (ÉèÖñ¸·ÝµÄÎļþ¸ñʽ£¬Ö»ÊÊÓÃÓÚ´ÅÅÌÉ豸)
¡¡¡¡RMAN> configure controlfile autoback ......

LinuxÏÂOracle9i RMAN±¸·Ý¼°»Ö¸´²½Öè½éÉÜ

1¡¢×ª»»·þÎñÆ÷¹éµµÄ£Ê½£¬Èç¹ûÒÑÊǹ鵵ģʽ¿ÉÌø¹ý´Ë²½£º
  ¡¡%sqlplus /nolog (Æô¶¯sqlplus)
¡¡¡¡SQL> conn / as sysdba (ÒÔDBAÉí·ÝÁ¬½ÓÊý¾Ý¿â)
¡¡¡¡SQL> shutdown immediate; (¼´Ê±¹Ø±ÕÊý¾Ý¿â)
¡¡¡¡SQL> startup mount (Æô¶¯ÊµÀý²¢¼ÓÔØÊý¾Ý¿â£¬µ«²»´ò¿ª)
¡¡¡¡SQL> alter database archivelog; (¸ü¸ÄÊý¾Ý¿âΪ¹éµµÄ£Ê½)
¡¡¡¡SQL> alter database open; (´ò¿ªÊý¾Ý¿â)
¡¡¡¡SQL> alter system archive log start; (ÆôÓÃ×Ô¶¯¹éµµ)
¡¡¡¡SQL> exit (Í˳ö)
¡¡¡¡2¡¢Á¬½Ó£º
¡¡¡¡[root@dbser1 orabak]# rman target=rman/rman@mydb(Æô¶¯»Ö¸´¹ÜÀíÆ÷)
¡¡¡¡3¡¢»ù±¾ÉèÖãº
¡¡¡¡RMAN> configure default device type to disk; (ÉèÖÃĬÈϵı¸·ÝÉ豸Ϊ´ÅÅÌ)
¡¡¡¡RMAN> configure device type disk parallelism 2; (ÉèÖñ¸·ÝµÄ²¢Ðм¶±ð£¬Í¨µÀÊý)
¡¡¡¡RMAN> configure channel 1 device type disk fromat "/backup1/backup_%U"; (ÉèÖñ¸·ÝµÄÎļþ¸ñʽ£¬Ö»ÊÊÓÃÓÚ´ÅÅÌÉ豸)
¡¡¡¡RMAN> configure channel 2 device type disk fromat "/backup2/backup_%U"; (ÉèÖñ¸·ÝµÄÎļþ¸ñʽ£¬Ö»ÊÊÓÃÓÚ´ÅÅÌÉ豸)
¡¡¡¡RMAN> configure controlfile autoback ......

Oracle PL/SQLÓïÑÔÈëÃÅ

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¡¡¡¡½á¹¹»¯²éѯÓïÑÔ(Structured Query Language£¬¼ò³ÆSQL)ÊÇÓÃÀ´·ÃÎʹØÏµÐÍÊý¾Ý¿âÒ»ÖÖͨÓÃÓïÑÔ£¬ÊôÓÚµÚËÄ´úÓïÑÔ£¨4GL£©£¬ÆäÖ´ÐÐÌØµãÊǷǹý³Ì»¯£¬¼´²»ÓÃÖ¸Ã÷Ö´ÐеľßÌå·½·¨ºÍ;¾¶£¬¶øÊǼòµ¥µØµ÷ÓÃÏàÓ¦Óï¾äÀ´Ö±½ÓÈ¡µÃ½á¹û¼´¿É¡£ÏÔÈ»£¬ÕâÖÖ²»¹Ø×¢ÈκÎʵÏÖϸ½ÚµÄÓïÑÔ¶ÔÓÚ¿ª·¢ÕßÀ´ËµÓÐ׿«´óµÄ±ãÀû¡£È»¶ø£¬ÓÐЩ¸´ÔÓµÄÒµÎñÁ÷³ÌÒªÇóÏàÓ¦µÄ³ÌÐòÀ´ÃèÊö£¬ÕâÖÖÇé¿öÏÂ4GL¾ÍÓÐЩÎÞÄÜΪÁ¦ÁË¡£PL/SQLµÄ³öÏÖÕýÊÇΪÁ˽â¾öÕâÒ»ÎÊÌ⣬PL/SQLÊÇÒ»ÖÖ¹ý³Ì»¯ÓïÑÔ£¬ÊôÓÚµÚÈý´úÓïÑÔ£¬ËüÓëC¡¢C++¡¢JavaµÈÓïÑÔÒ»Ñù¹Ø×¢ÓÚ´¦Àíϸ½Ú£¬¿ÉÒÔÓÃÀ´ÊµÏֱȽϸ´ÔÓµÄÒµÎñÂß¼­¡£±¾ÎÄÖ÷Òª½éÉÜPL/SQLµÄ±à³Ì»ù´¡£¬ÒÔʹÈëÃÅÕß¶ÔPL/SQLÓïÑÔÓÐÒ»¸ö×ÜÌåÈÏʶºÍ»ù±¾°ÑÎÕ¡£
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¡¡¡¡
¡¡¡¡/*ÉùÃ÷²¿·Ö£¬ÒÔdeclare¿ªÍ·*/
¡¡¡¡declare v_id integ ......

Oracle PL/SQLÓïÑÔÈëÃÅ

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¡¡¡¡½á¹¹»¯²éѯÓïÑÔ(Structured Query Language£¬¼ò³ÆSQL)ÊÇÓÃÀ´·ÃÎʹØÏµÐÍÊý¾Ý¿âÒ»ÖÖͨÓÃÓïÑÔ£¬ÊôÓÚµÚËÄ´úÓïÑÔ£¨4GL£©£¬ÆäÖ´ÐÐÌØµãÊǷǹý³Ì»¯£¬¼´²»ÓÃÖ¸Ã÷Ö´ÐеľßÌå·½·¨ºÍ;¾¶£¬¶øÊǼòµ¥µØµ÷ÓÃÏàÓ¦Óï¾äÀ´Ö±½ÓÈ¡µÃ½á¹û¼´¿É¡£ÏÔÈ»£¬ÕâÖÖ²»¹Ø×¢ÈκÎʵÏÖϸ½ÚµÄÓïÑÔ¶ÔÓÚ¿ª·¢ÕßÀ´ËµÓÐ׿«´óµÄ±ãÀû¡£È»¶ø£¬ÓÐЩ¸´ÔÓµÄÒµÎñÁ÷³ÌÒªÇóÏàÓ¦µÄ³ÌÐòÀ´ÃèÊö£¬ÕâÖÖÇé¿öÏÂ4GL¾ÍÓÐЩÎÞÄÜΪÁ¦ÁË¡£PL/SQLµÄ³öÏÖÕýÊÇΪÁ˽â¾öÕâÒ»ÎÊÌ⣬PL/SQLÊÇÒ»ÖÖ¹ý³Ì»¯ÓïÑÔ£¬ÊôÓÚµÚÈý´úÓïÑÔ£¬ËüÓëC¡¢C++¡¢JavaµÈÓïÑÔÒ»Ñù¹Ø×¢ÓÚ´¦Àíϸ½Ú£¬¿ÉÒÔÓÃÀ´ÊµÏֱȽϸ´ÔÓµÄÒµÎñÂß¼­¡£±¾ÎÄÖ÷Òª½éÉÜPL/SQLµÄ±à³Ì»ù´¡£¬ÒÔʹÈëÃÅÕß¶ÔPL/SQLÓïÑÔÓÐÒ»¸ö×ÜÌåÈÏʶºÍ»ù±¾°ÑÎÕ¡£
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¡¡¡¡/*ÉùÃ÷²¿·Ö£¬ÒÔdeclare¿ªÍ·*/
¡¡¡¡declare v_id integ ......

ʹÓÃoracleµÄ10046ʼþ¸ú×ÙSQLÓï¾ä

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1¡¢Ê×ÏÈ»ñµÃspid¡¢sid¡¢serial#£¬machineΪÁ¬½ÓoracleµÄ»úÆ÷Ãû
SQL> select b.spid,a.sid,a.serial#,a.machine from v$session a,v$process b where a.paddr =
b.addr and a.machine='SYS_F85';
 
SPID                SID    SERIAL#   MACHINE
----------------------------------------------------------------
24722                15        196 SYS_F85
2¡¢ÀûÓà ......

ʹÓÃoracleµÄ10046ʼþ¸ú×ÙSQLÓï¾ä

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1¡¢Ê×ÏÈ»ñµÃspid¡¢sid¡¢serial#£¬machineΪÁ¬½ÓoracleµÄ»úÆ÷Ãû
SQL> select b.spid,a.sid,a.serial#,a.machine from v$session a,v$process b where a.paddr =
b.addr and a.machine='SYS_F85';
 
SPID                SID    SERIAL#   MACHINE
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24722                15        196 SYS_F85
2¡¢ÀûÓà ......

oracle sqlÓïÑÔÄ£ºý²éѯ ͨÅä·ûlikeµÄʹÓý̳Ì

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½«»á°Ñu_nameΪ“ÕÅÈý”£¬“ÕÅèÈý”¡¢“Èý½Å蔣¬“ÌÆÈý²Ø”µÈµÈÓГÈý”µÄ¼Ç¼ȫÕÒ³öÀ´¡£
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SELECT * from [user] WHERE u_name LIKE '%Èý%' AND u_name LIKE '%è%'
ÈôʹÓà SELECT * from [user] WHERE u_name LIKE '%Èý%è%'
ËäÈ»ÄÜËÑË÷³ö“Èý½Å蔣¬µ«²»ÄÜËÑË÷³ö·ûºÏÌõ¼þµÄ“ÕÅà ......

oracle sqlÓïÑÔÄ£ºý²éѯ ͨÅä·ûlikeµÄʹÓý̳Ì

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±ÈÈç SELECT * from [user] WHERE u_name LIKE '%Èý%'
½«»á°Ñu_nameΪ“ÕÅÈý”£¬“ÕÅèÈý”¡¢“Èý½Å蔣¬“ÌÆÈý²Ø”µÈµÈÓГÈý”µÄ¼Ç¼ȫÕÒ³öÀ´¡£
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SELECT * from [user] WHERE u_name LIKE '%Èý%' AND u_name LIKE '%è%'
ÈôʹÓà SELECT * from [user] WHERE u_name LIKE '%Èý%è%'
ËäÈ»ÄÜËÑË÷³ö“Èý½Å蔣¬µ«²»ÄÜËÑË÷³ö·ûºÏÌõ¼þµÄ“ÕÅà ......
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