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ä¸¤ä¸ªsql serveræ•°æ®åº“åŒæ¥æ•°æ?è½¬è„“)

larryjava — Fri, 27 Jul 2007 02:01:00 GMT

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      é‡‡ç”¨æŽ¨æ¨¡å¼? "D:\Microsoft SQL Server\MSSQL\REPLDATA\unc" ç›®å½•æ–‡äšgå¯ä»¥ä¸è®¾¾|®å…±äº?br>      æ‹‰æ¨¡å¼?åˆ™éœ€è¦å…±äº«~!

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    1ã€MSSQLserverå’ŒSqlserveragentæœåŠ¡æ˜¯å¦æ˜¯ä»¥åŸŸç”¨æˆ¯‚ínä»½å¯åŠ¨åÆˆ˜qè¡Œçš„ï¼ˆ.\administratorç”¨æˆ·ä¹Ÿæ˜¯å¯ä»¥çš„ï¼‰

        å¦‚æžœç™Õd½•ç”¨çš„æ˜¯æœ¬åœ°ç³»¾lŸå¸æˆ·localåQŒå°†ä¸å…·å¤‡ç½‘¾lœåŠŸèƒ½ï¼Œä¼šäñ”ç”Ÿä»¥ä¸‹é”™è¯?

        ˜q›ç¨‹æœªèƒ½˜qžæŽ¥åˆ°Distributor '@Server name'

      (å¦‚æžœæ‚¨çš„æœåŠ¡å™¨å·²¾lç”¨äº†SQL Serverå…¨æ–‡‹‚€ç´¢æœåŠ? è¯·ä¸è¦ä¿®æ”¹MSSQLserverå’ŒSqlserveragentæœåŠ¡çš„localå¯åŠ¨ã€?br>       ä¼šç…§æˆå…¨æ–‡æ£€ç´¢æœåŠ¡ä¸èƒ½ç”¨ã€‚è¯·æ¢å¦å¤–ä¸€å°æœºå™¨æ¥åšSQL Server 2000é‡Œå¤åˆ¶ä¸çš„åˆ†å‘æœåŠ¡å™¨ã€?

      ä¿®æ”¹æœåŠ¡å¯åŠ¨çš„ç™»å½•ç”¨æˆøP¼Œéœ€è¦é‡æ–°å¯åŠ¨MSSQLserverå’ŒSqlserveragentæœåŠ¡æ‰èƒ½ç”Ÿæ•ˆã€?nbsp;

    2ã€æ£€æŸ¥ç›¸å…³çš„å‡ å°SQL ServeræœåŠ¡å™¨æ˜¯å¦æ”¹˜q‡å¿U?éœ€è¦srvid=0çš„æœ¬åœ°æœºå™¨ä¸Šsrvnameå’Œdatasourceä¸€æ ?

       åœ¨æŸ¥è¯¢åˆ†æžå™¨é‡Œæ‰§è¡?
         use master
         select srvid,srvname,datasource from sysservers

       å¦‚æžœæ²¡æœ‰srvid=0æˆ–è€…srvid=0åQˆä¹Ÿž®±æ˜¯æœ¬æœºå™¨ï¼‰ä½†srvnameå’Œdatasourceä¸ä¸€æ ? éœ€è¦æŒ‰å¦‚ä¸‹æ–ÒŽ³•ä¿®æ”¹:

ã€€ã€€USE master
        GO
        -- è®„¡½®ä¸¤ä¸ªå˜é‡
        DECLARE @serverproperty_servername varchar(100),
                @servername    varchar(100)
        -- å–å¾—Windows NT æœåŠ¡å™¨å’Œä¸ŽæŒ‡å®šçš„ SQL Server å®žä¾‹å…Œ™”çš„å®žä¾‹ä¿¡æ?br>        SELECT @serverproperty_servername = CONVERT(varchar(100), SERVERPROPERTY('ServerName'))
        -- ˜q”å›ž˜qè¡Œ Microsoft SQL Server çš„æœ¬åœ°æœåŠ¡å™¨åç§°
        SELECT @servername = CONVERT(varchar(100), @@SERVERNAME)
        -- æ˜„¡¤ºèŽ·å–çš„è¿™ä¸¤ä¸ªå‚æ•°
        select @serverproperty_servername,@servername
        --å¦‚æžœ@serverproperty_servernameå’Œ@servernameä¸åŒ(å› äØ“ä½ æ”¹˜q‡è®¡½Ž—æœºåå—),å†è¿è¡Œä¸‹é¢çš„
        --åˆ é™¤é”™è¯¯çš„æœåŠ¡å™¨å?br>        EXEC sp_dropserver @server=@servername
        --æ·ÕdŠ æ£ç¡®çš„æœåŠ¡å™¨å?br>        EXEC sp_addserver @server=@serverproperty_servername, @local='local'

ä¿®æ”¹˜q™é¡¹å‚æ•°åQŒéœ€è¦é‡æ–°å¯åŠ¨MSSQLserverå’ŒSqlserveragentæœåŠ¡æ‰èƒ½ç”Ÿæ•ˆã€?nbsp;

       ˜q™æ ·ä¸€æ¥å°±ä¸ä¼šåœ¨åˆ›å»ºå¤åˆ¶çš„˜q‡ç¨‹ä¸å‡ºçŽ?8482ã€?8483é”™è¯¯äº†ã€?br>
3ã€æ£€æŸ¥SQL Serverä¼ä¸š½Ž¡ç†å™¨é‡Œé¢ç›¸å…³çš„å‡ å°SQL Serveræ³¨å†Œåæ˜¯å¦å’Œä¸Šé¢½W¬äºŒç‚šw‡Œä»‹ç»çš„srvnameä¸€æ ?br>
        ä¸èƒ½ç”¨IPåœ°å€çš„æ³¨å†Œåã€?br>
      åQˆæˆ‘ä»¬å¯ä»¥åˆ æŽ‰IPåœ°å€çš„æ³¨å†Œï¼Œæ–°å¾ä»¥SQL Server½Ž¡ç†å‘˜çñ”åˆ«çš„ç”¨æˆ·æ³¨å†Œçš„æœåŠ¡å™¨åï¼‰

       ˜q™æ ·ä¸€æ¥å°±ä¸ä¼šåœ¨åˆ›å»ºå¤åˆ¶çš„˜q‡ç¨‹ä¸å‡ºçŽ?4010ã€?0084ã€?8456ã€?8482ã€?8483é”™è¯¯äº†ã€?nbsp;

    4ã€æ£€æŸ¥ç›¸å…³çš„å‡ å°SQL ServeræœåŠ¡å™¨ç½‘¾lœæ˜¯å¦èƒ½å¤Ÿæ£å¸¸è®¿é—?br>
        å¦‚æžœpingä¸ÀLœºIPåœ°å€å¯ä»¥åQŒä½†pingä¸ÀLœºåä¸é€šçš„æ—¶å€™ï¼Œéœ€è¦åœ¨

            winnt\system32\drivers\etc\hosts   (WIN2000)
            windows\system32\drivers\etc\hosts (WIN2003)

               æ–‡äšgé‡Œå†™å…¥æ•°æ®åº“æœåŠ¡å™¨IPåœ°å€å’Œä¸»æœºåçš„å¯¹åº”å…³¾p…R€?br>
ä¾‹å¦‚åQ?nbsp;


           127.0.0.1       localhost
           192.168.0.35    oracledb    oracledb
           192.168.0.65    fengyu02    fengyu02
           202.84.10.193   bj_db       bj_db

æˆ–è€…åœ¨SQL Serverå®¢æˆ·ç«¯ç½‘¾lœå®žç”¨å·¥å…·é‡Œå»ºç«‹åˆ«ååQŒä¾‹å¦?

     5ã€ç³»¾lŸéœ€è¦çš„æ‰©å±•å˜å‚¨˜q‡ç¨‹æ˜¯å¦å˜åœ¨(å¦‚æžœä¸å˜åœ¨ï¼Œéœ€è¦æ¢å¤?:

         sp_addextendedproc 'xp_regenumvalues',@dllname ='xpstar.dll'
         go
         sp_addextendedproc 'xp_regdeletevalue',@dllname ='xpstar.dll'
         go
         sp_addextendedproc 'xp_regdeletekey',@dllname ='xpstar.dll'
         go
         sp_addextendedproc xp_cmdshell ,@dllname ='xplog70.dll'

     æŽ¥ä¸‹æ¥å°±å¯ä»¥ç”¨SQL Serverä¼ä¸š½Ž¡ç†å™¨é‡Œ[å¤åˆ¶]-> å³é”®é€‰æ‹©
        ->[é…ç½®å‘å¸ƒã€è®¢é˜…æœåŠ¡å™¨å’Œåˆ†å‘]çš„å›¾å½¢ç•Œé¢æ¥é…ç½®æ•°æ®åº“å¤åˆ¶äº†

larryjava 2007-07-27 10:01 å‘è¡¨è¯„è®º
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sql Serveræ€§èƒ½ä¼˜åŒ–(è½¬è„“)

larryjava — Fri, 27 Jul 2007 02:00:00 GMT

1ã€?ç”¨ç¨‹åºä¸åQŒä¿è¯åœ¨å®žçŽ°åŠŸèƒ½çš„åŸº¼‹€ä¸Šï¼Œž®½é‡å‡å°‘å¯ÒŽ•°æ®åº“çš„è®¿é—®æ¬¡æ•ŽÍ¼›é€šè¿‡æœçƒ¦å‚æ•°åQŒå°½é‡å‡ž®‘å¯¹è¡¨çš„è®‰K—®è¡Œæ•°,æœ€ž®åŒ–¾l“æžœé›†ï¼Œä»Žè€Œå‡è½È½‘¾lœè´Ÿæ‹…ï¼›èƒ½å¤Ÿåˆ†å¼€çš„æ“ä½œå°½é‡åˆ†å¼€å¤„ç†åQŒæé«˜æ¯‹Æ¡çš„å“åº”é€Ÿåº¦åQ›åœ¨æ•°æ®½H—å£ä½¿ç”¨SQLæ—Óž¼Œž®½é‡æŠŠä‹Éç”¨çš„ç´¢å¼•æ”‘Öœ¨é€‰æ‹©çš„é¦–åˆ—ï¼›½Ž—æ³•çš„ç»“æž„å°½é‡ç®€å•ï¼›åœ¨æŸ¥è¯¢æ—¶åQŒä¸è¦è¿‡å¤šåœ°ä½¿ç”¨é€šé…½W¦å¦‚SELECT * FROM T1è¯å¥åQŒè¦ç”¨åˆ°å‡ åˆ—ž®±é€‰æ‹©å‡ åˆ—å¦‚ï¼šSELECT COL1,COL2 FROM T1åQ›åœ¨å¯èƒ½çš„æƒ…å†µä¸‹ž®½é‡é™åˆ¶ž®½é‡¾l“æžœé›†è¡Œæ•°å¦‚åQšSELECT TOP 300 COL1,COL2,COL3 FROM T1,å› äØ“æŸäº›æƒ…å†µä¸‹ç”¨æˆäh˜¯ä¸éœ€è¦é‚£ä¹ˆå¤šçš„æ•°æ®çš„ã€‚ä¸è¦åœ¨åº”ç”¨ä¸ä‹Éç”¨æ•°æ®åº“æ¸¸æ ‡åQŒæ¸¸æ ‡æ˜¯éžå¸¸æœ‰ç”¨çš„å·¥å…øP¼Œä½†æ¯”ä½¿ç”¨å¸¸è§„çš„ã€é¢å‘é›†çš„SQLè¯å¥éœ€è¦æ›´å¤§çš„å¼€é”€åQ›æŒ‰ç…§ç‰¹å®šé¡ºåºæå–æ•°æ®çš„æŸ¥æ‰¾ã€?/p>

2ã€?nbsp; é¿å…ä½¿ç”¨ä¸å…¼å®¹çš„æ•°æ®¾cÕdž‹ã€‚ä¾‹å¦‚floatå’Œintã€charå’Œvarcharã€binaryå’Œvarbinaryæ˜¯ä¸å…¼å®¹çš„ã€‚æ•°æ®ç±»åž‹çš„ä¸å…¼å®¹å¯èƒ½ä‹Éä¼˜åŒ–å™¨æ— æ³•æ‰§è¡Œä¸€äº›æœ¬æ¥å¯ä»¥è¿›è¡Œçš„ä¼˜åŒ–æ“ä½œã€‚ä¾‹å¦?
SELECT name FROM employee WHERE salary åQ?60000
åœ¨è¿™æ¡è¯å¥ä¸,å¦‚salaryå—æ®µæ˜¯moneyåž‹çš„,åˆ™ä¼˜åŒ–å™¨å¾ˆéš¾å¯¹å…¶˜q›è¡Œä¼˜åŒ–,å› äØ“60000æ˜¯ä¸ªæ•´åž‹æ•°ã€‚æˆ‘ä»¬åº”å½“åœ¨¾~–ç¨‹æ—¶å°†æ•´åž‹è½¬åŒ–æˆäØ“é’±å¸åž?è€Œä¸è¦ç‰åˆ°è¿è¡Œæ—¶è½¬åŒ–ã€?

3ã€?nbsp; ž®½é‡é¿å…åœ¨WHEREåå¥ä¸å¯¹å—æ®µ˜q›è¡Œå‡½æ•°æˆ–è¡¨è¾‘Ö¼æ“ä½œåQŒè¿™ž®†å¯¼è‡´å¼•æ“Žæ”¾å¼ƒä‹Éç”¨çƒ¦å¼•è€Œè¿›è¡Œå…¨è¡¨æ‰«æã€‚å¦‚åQ?
SELECT * FROM T1 WHERE F1/2=100
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SELECT * FROM RECORD WHERE SUBSTRING(CARD_NO,1,4)=’5378’
åº”æ”¹ä¸?
SELECT * FROM RECORD WHERE CARD_NO LIKE ‘5378%’

SELECT member_number, first_name, last_name FROM members
WHERE DATEDIFF(yy,datofbirth,GETDATE()) > 21
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SELECT member_number, first_name, last_name FROM members
WHERE dateofbirth < DATEADD(yy,-21,GETDATE())
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4ã€?nbsp; é¿å…ä½¿ç”¨!=æˆ–ï¼œåQžã€IS NULLæˆ–IS NOT NULLã€IN åQŒNOT IN½{‰è¿™æ ïLš„æ“ä½œ½W?å› äØ“˜q™ä¼šä½¿ç³»¾lŸæ— æ³•ä‹Éç”¨çƒ¦å¼?è€Œåªèƒ½ç›´æŽ¥æœç´¢è¡¨ä¸çš„æ•°æ®ã€‚ä¾‹å¦?
SELECT id FROM employee WHERE id != 'B%'
ä¼˜åŒ–å™¨å°†æ— æ³•é€šè¿‡ç´¢å¼•æ¥ç¡®å®šå°†è¦å‘½ä¸çš„è¡Œæ•°,å› æ¤éœ€è¦æœç´¢è¯¥è¡¨çš„æ‰€æœ‰è¡Œã€?br>
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2.SELECT SUM(T1.C1) FROM T1WHERE EXISTS(
SELECT * FROM T2 WHERE T2.C2=T1.C2)
ä¸¤è€…äñ”ç”Ÿç›¸åŒçš„¾l“æžœåQŒä½†æ˜¯åŽè€…çš„æ•ˆçŽ‡æ˜„¡„¶è¦é«˜äºŽå‰è€…ã€‚å› ä¸ºåŽè€…ä¸ä¼šäñ”ç”Ÿå¤§é‡é”å®šçš„è¡¨æ‰«ææˆ–æ˜¯çƒ¦å¼•æ‰«æã€?br>å¦‚æžœä½ æƒ³æ ¡éªŒè¡¨é‡Œæ˜¯å¦å˜åœ¨æŸæ¡¾Uªå½•åQŒä¸è¦ç”¨count(*)é‚£æ ·æ•ˆçŽ‡å¾ˆä½ŽåQŒè€Œä¸”‹¹ªè´¹æœåŠ¡å™¨èµ„æºã€‚å¯ä»¥ç”¨EXISTSä»£æ›¿ã€‚å¦‚åQ?br>IF (SELECT COUNT(*) FROM table_name WHERE column_name = 'xxx')
å¯ä»¥å†™æˆåQ?br>IF EXISTS (SELECT * FROM table_name WHERE column_name = 'xxx')

¾lå¸¸éœ€è¦å†™ä¸€ä¸ªT_SQLè¯å¥æ¯”è¾ƒä¸€ä¸ªçˆ¶¾l“æžœé›†å’Œåç»“æžœé›†åQŒä»Žè€Œæ‰¾åˆ°æ˜¯å¦å˜åœ¨åœ¨çˆ¶ç»“æžœé›†ä¸æœ‰è€Œåœ¨åç»“æžœé›†ä¸æ²¡æœ‰çš„è®°å½•åQŒå¦‚åQ?br>1.SELECT a.hdr_key FROM hdr_tbl a---- tbl a è¡¨ç¤ºtblç”¨åˆ«åaä»£æ›¿
WHERE NOT EXISTS (SELECT * FROM dtl_tbl b WHERE a.hdr_key = b.hdr_key)

2.SELECT a.hdr_key FROM hdr_tbl a
LEFT JOIN dtl_tbl b ON a.hdr_key = b.hdr_key WHERE b.hdr_key IS NULL

3.SELECT hdr_key FROM hdr_tbl
WHERE hdr_key NOT IN (SELECT hdr_key FROM dtl_tbl)
ä¸‰ç§å†™æ³•éƒ½å¯ä»¥å¾—åˆ°åŒæ äh£¼‹®çš„¾l“æžœåQŒä½†æ˜¯æ•ˆçŽ‡ä¾‹Æ¡é™ä½Žã€?/p>

7ã€?nbsp; ž®½é‡é¿å…åœ¨çƒ¦å¼•è¿‡çš„å—½W¦æ•°æ®ä¸åQŒä‹Éç”¨éžæ‰“å¤´å—æ¯æœçƒ¦ã€‚è¿™ä¹Ÿä‹Éå¾—å¼•æ“Žæ— æ³•åˆ©ç”¨çƒ¦å¼•ã€?nbsp;
è§å¦‚ä¸‹ä¾‹åï¼š
SELECT * FROM T1 WHERE NAME LIKE ‘%L%’
SELECT * FROM T1 WHERE SUBSTING(NAME,2,1)=’L’
SELECT * FROM T1 WHERE NAME LIKE ‘L%’
å³ä‹ÉNAMEå—æ®µå»ºæœ‰ç´¢å¼•åQŒå‰ä¸¤ä¸ªæŸ¥è¯¢ä¾ç„¶æ— æ³•åˆ©ç”¨ç´¢å¼•å®ŒæˆåŠ å¿«æ“ä½œåQŒå¼•æ“Žä¸å¾—ä¸å¯¹å…¨è¡¨æ‰€æœ‰æ•°æ®é€æ¡æ“ä½œæ¥å®Œæˆä“QåŠ¡ã€‚è€Œç¬¬ä¸‰ä¸ªæŸ¥è¯¢èƒ½å¤Ÿä½¿ç”¨ç´¢å¼•æ¥åŠ å¿«æ“ä½œã€?/p>

8ã€?nbsp; åˆ†åˆ©ç”¨è¿žæŽ¥æ¡ä»Óž¼Œåœ¨æŸ¿Uæƒ…å†µä¸‹åQŒä¸¤ä¸ªè¡¨ä¹‹é—´å¯èƒ½ä¸åªä¸€ä¸ªçš„˜qžæŽ¥æ¡äšgåQŒè¿™æ—¶åœ¨ WHERE åå¥ä¸å°†˜qžæŽ¥æ¡äšgå®Œæ•´çš„å†™ä¸Šï¼Œæœ‰å¯èƒ½å¤§å¤§æé«˜æŸ¥è¯¢é€Ÿåº¦ã€?br>ä¾‹ï¼š
SELECT SUM(A.AMOUNT) FROM ACCOUNT A,CARD B WHERE A.CARD_NO = B.CARD_NO
SELECT SUM(A.AMOUNT) FROM ACCOUNT A,CARD B WHERE A.CARD_NO = B.CARD_NO AND A.ACCOUNT_NO=B.ACCOUNT_NO
½W¬äºŒå¥å°†æ¯”ç¬¬ä¸€å¥æ‰§è¡Œå¿«å¾—å¤šã€?/p>

9ã€?nbsp; æ¶ˆé™¤å¯¹å¤§åž‹è¡¨è¡Œæ•°æ®çš„™åºåºå˜å–
ž®½ç®¡åœ¨æ‰€æœ‰çš„‹‚€æŸ¥åˆ—ä¸Šéƒ½æœ‰çƒ¦å¼•ï¼Œä½†æŸäº›åÅžå¼çš„WHEREåå¥å¼ø™¿«ä¼˜åŒ–å™¨ä‹Éç”¨é¡ºåºå˜å–ã€‚å¦‚åQ?br>SELECT * FROM orders WHERE (customer_num=104 AND order_num>1001) OR
order_num=1008
è§£å†³åŠžæ³•å¯ä»¥ä½¿ç”¨òq‰™›†æ¥é¿å…é¡ºåºå˜å–ï¼š
SELECT åQ?FROM orders WHERE customer_num=104 AND order_num>1001
UNION
SELECT åQ?FROM orders WHERE order_num=1008
˜q™æ ·ž®Þpƒ½åˆ©ç”¨ç´¢å¼•è·¯å¾„å¤„ç†æŸ¥è¯¢ã€?/p>

10ã€?é¿å…å›°éš¾çš„æ£è§„è¡¨è¾‘Ö¼
LIKEå…³é”®å—æ”¯æŒé€šé…½W¦åŒ¹é…ï¼ŒæŠ€æœ¯ä¸Šå«æ£è§„è¡¨è¾‘Ö¼ã€‚ä½†˜q™ç§åŒšw…ç‰¹åˆ«è€—è´¹æ—‰™—´ã€‚ä¾‹å¦‚ï¼šSELECT * FROM customer WHERE zipcode LIKE “98_ _ _”
å³ä‹Éåœ¨zipcodeå—æ®µä¸Šå¾ç«‹äº†ç´¢å¼•åQŒåœ¨˜q™ç§æƒ…å†µä¸‹ä¹Ÿ˜q˜æ˜¯é‡‡ç”¨™åºåºæ‰«æçš„æ–¹å¼ã€‚å¦‚
æžœæŠŠè¯å¥æ”¹äØ“SELECT åQ?FROM customer WHERE zipcode >“98000”åQŒåœ¨æ‰§è¡ŒæŸ¥è¯¢
æ—¶å°±ä¼šåˆ©ç”¨çƒ¦å¼•æ¥æŸ¥è¯¢åQŒæ˜¾ç„¶ä¼šå¤§å¤§æé«˜é€Ÿåº¦ã€?br>11ã€?ä½¿ç”¨è§†å›¾åŠ é€ŸæŸ¥è¯?br>æŠŠè¡¨çš„ä¸€ä¸ªåé›†è¿›è¡ŒæŽ’åºåÆˆåˆ›å¾è§†å›¾åQŒæœ‰æ—¶èƒ½åŠ é€ŸæŸ¥è¯¢ã€‚å®ƒæœ‰åŠ©äºŽé¿å…å¤šé‡æŽ’åº?br>æ“ä½œåQŒè€Œä¸”åœ¨å…¶ä»–æ–¹é¢è¿˜èƒ½ç®€åŒ–ä¼˜åŒ–å™¨çš„å·¥ä½œã€‚ä¾‹å¦‚ï¼š
SELECT cust.nameåQŒrcvbles.balanceåQ?#8230;…other columns
FROM custåQŒrcvbles
WHERE cust.customer_id = rcvlbes.customer_id
AND rcvblls.balance>0
AND cust.postcode>“98000”
ORDER BY cust.name
å¦‚æžœ˜q™ä¸ªæŸ¥è¯¢è¦è¢«æ‰§è¡Œå¤šæ¬¡è€Œä¸æ¢ä¸€‹Æ¡ï¼Œå¯ä»¥æŠŠæ‰€æœ‰æœªä»˜æ¬¾çš„å®¢æˆäh‰¾å‡ºæ¥æ”‘Öœ¨ä¸€ä¸?br>è§†å›¾ä¸ï¼Œòq¶æŒ‰å®¢æˆ·çš„åå—è¿›è¡ŒæŽ’åºï¼š
CREATE VIEW DBO.V_CUST_RCVLBES
AS
SELECT cust.nameåQŒrcvbles.balanceåQ?#8230;…other columns
FROM custåQŒrcvbles
WHERE cust.customer_id = rcvlbes.customer_id
AND rcvblls.balance>0
ORDER BY cust.name

ç„¶åŽä»¥ä¸‹é¢çš„æ–¹å¼åœ¨è§†å›¾ä¸æŸ¥è¯¢åQ?
SELECT åQ?FROM V_CUST_RCVLBES
WHERE postcode>“98000”
è§†å›¾ä¸çš„è¡Œè¦æ¯”ä¸»è¡¨ä¸çš„è¡Œž®‘ï¼Œè€Œä¸”ç‰©ç†™åºåºž®±æ˜¯æ‰€è¦æ±‚çš„é¡ºåºï¼Œå‡å°‘äº†ç£ç›?br>I/OåQŒæ‰€ä»¥æŸ¥è¯¢å·¥ä½œé‡å¯ä»¥å¾—åˆ°å¤§å¹…å‡å°‘ã€?/p>

12ã€?èƒ½å¤Ÿç”¨BETWEENçš„å°±ä¸è¦ç”¨IN
SELECT * FROM T1 WHERE ID IN (10,11,12,13,14)
æ”ÒŽˆåQ?br>SELECT * FROM T1 WHERE ID BETWEEN 10 AND 14
å› äØ“INä¼šä‹É¾pÈ»Ÿæ— æ³•ä½¿ç”¨ç´¢å¼•,è€Œåªèƒ½ç›´æŽ¥æœç´¢è¡¨ä¸çš„æ•°æ®ã€?/p>

13ã€?DISTINCTçš„å°±ä¸ç”¨GROUP BY
      SELECT OrderID FROM Details WHERE UnitPrice > 10 GROUP BY OrderID
      å¯æ”¹ä¸ºï¼š
      SELECT DISTINCT OrderID FROM Details WHERE UnitPrice > 10

14ã€?nbsp; éƒ¨åˆ†åˆ©ç”¨ç´¢å¼•
1.SELECT employeeID, firstname, lastname
FROM names
WHERE dept = 'prod' or city = 'Orlando' or division = 'food'

2.SELECT employeeID, firstname, lastname FROM names WHERE dept = 'prod'
UNION ALL
SELECT employeeID, firstname, lastname FROM names WHERE city = 'Orlando'
UNION ALL
SELECT employeeID, firstname, lastname FROM names WHERE division = 'food'
å¦‚æžœdept åˆ—å¾æœ‰çƒ¦å¼•åˆ™æŸ¥è¯¢2å¯ä»¥éƒ¨åˆ†åˆ©ç”¨ç´¢å¼•åQŒæŸ¥è¯?åˆ™ä¸èƒ½ã€?/p>

15ã€?nbsp; èƒ½ç”¨UNION ALLž®×ƒ¸è¦ç”¨UNION
UNION ALLä¸æ‰§è¡ŒSELECT DISTINCTå‡½æ•°åQŒè¿™æ ·å°±ä¼šå‡ž®‘å¾ˆå¤šä¸å¿…è¦çš„èµ„æº?/p>

16ã€?nbsp; ä¸è¦å†™ä¸€äº›ä¸åšä“Qä½•äº‹çš„æŸ¥è¯?br>å¦‚ï¼šSELECT COL1 FROM T1 WHERE 1=0
SELECT COL1 FROM T1 WHERE COL1=1 AND COL1=2
˜q™ç±»æÈ ä¸ä¼š˜q”å›žä»ÖM½•¾l“æžœé›†ï¼Œä½†æ˜¯ä¼šæ¶ˆè€—ç³»¾lŸèµ„æºã€?/p>

17ã€?nbsp; ž®½é‡ä¸è¦ç”¨SELECT INTOè¯å¥ã€?br>SELECT INOT è¯å¥ä¼šå¯¼è‡´è¡¨é”å®šåQŒé˜»æ¢å…¶ä»–ç”¨æˆ¯‚®¿é—®è¯¥è¡¨ã€?/p>

18ã€?å¿…è¦æ—¶å¼ºåˆ¶æŸ¥è¯¢ä¼˜åŒ–å™¨ä½¿ç”¨æŸä¸ªç´¢å¼•
SELECT * FROM T1 WHERE nextprocess = 1 AND processid IN (8,32,45)
æ”ÒŽˆåQ?br>SELECT * FROM T1 (INDEX = IX_ProcessID) WHERE nextprocess = 1 AND processid IN (8,32,45)
åˆ™æŸ¥è¯¢ä¼˜åŒ–å™¨ž®†ä¼šå¼ø™¡Œåˆ©ç”¨ç´¢å¼•IX_ProcessID æ‰§è¡ŒæŸ¥è¯¢ã€?br>
19ã€?nbsp; è™½ç„¶UPDATEã€DELETEè¯å¥çš„å†™æ³•åŸºæœ¬å›ºå®šï¼Œä½†æ˜¯˜q˜æ˜¯å¯¹UPDATEè¯å¥¾l™ç‚¹å»ø™®®åQ?br>a) ž®½é‡ä¸è¦ä¿®æ”¹ä¸»é”®å—æ®µã€?br>b) å½“ä¿®æ”¹VARCHARåž‹å—ŒD‰|—¶åQŒå°½é‡ä‹Éç”¨ç›¸åŒé•¿åº¦å†…å®¹çš„å€ég»£æ›Ñ€?br>c) ž®½é‡æœ€ž®åŒ–å¯¹äºŽå«æœ‰UPDATEè§¦å‘å™¨çš„è¡¨çš„UPDATEæ“ä½œã€?br>d) é¿å…UPDATEž®†è¦å¤åˆ¶åˆ°å…¶ä»–æ•°æ®åº“çš„åˆ—ã€?br>e) é¿å…UPDATEå»ºæœ‰å¾ˆå¤šç´¢å¼•çš„åˆ—ã€?br>f) é¿å…UPDATEåœ¨WHEREåå¥æ¡äšgä¸çš„åˆ—ã€?/p>

ä¸Šé¢æˆ‘ä»¬æåˆ°çš„æ˜¯ä¸€äº›åŸºæœ¬çš„æé«˜æŸ¥è¯¢é€Ÿåº¦çš„æ³¨æ„äº‹™å?ä½†æ˜¯åœ¨æ›´å¤šçš„æƒ…å†µä¸?å¾€å¾€éœ€è¦åå¤è¯•éªŒæ¯”è¾ƒä¸åŒçš„è¯å¥ä»¥å¾—åˆ°æœ€ä½Ïx–¹æ¡ˆã€‚æœ€å¥½çš„æ–ÒŽ³•å½“ç„¶æ˜¯æµ‹è¯•ï¼Œçœ‹å®žçŽ°ç›¸åŒåŠŸèƒ½çš„SQLè¯å¥å“ªä¸ªæ‰§è¡Œæ—‰™—´æœ€ž®‘ï¼Œä½†æ˜¯æ•°æ®åº“ä¸å¦‚æžœæ•°æ®é‡å¾ˆž®‘ï¼Œæ˜¯æ¯”è¾ƒä¸å‡ºæ¥çš„ï¼Œ˜q™æ—¶å¯ä»¥ç”¨æŸ¥çœ‹æ‰§è¡Œè®¡åˆ’ï¼Œå»I¼šæŠŠå®žçŽ°ç›¸åŒåŠŸèƒ½çš„å¤šæ¡SQLè¯å¥è€ƒåˆ°æŸ¥è¯¢åˆ†æžå™¨ï¼ŒæŒ‰CTRL+Lçœ‹æŸ¥æ‰€åˆ©ç”¨çš„çƒ¦å¼•ï¼Œè¡¨æ‰«ææ¬¡æ•ŽÍ¼ˆ˜q™ä¸¤ä¸ªå¯¹æ€§èƒ½å½±å“æœ€å¤§ï¼‰åQŒæ€ÖM½“ä¸Šçœ‹è¯¢æˆæœ¬ç™¾åˆ†æ¯”å›_¯ã€?br>½Ž€å•çš„å˜å‚¨˜q‡ç¨‹å¯ä»¥ç”¨å‘å¯ÆD‡ªåŠ¨ç”Ÿæˆï¼šåœ¨ä¼ä¸šç®¡ç†å™¨å·¥å…·æ ç‚¹å‡»è¿è¡Œå‘å¯¼å›¾æ ‡ï¼Œç‚¹å‡»”æ•°æ®åº?#8221;ã€?#8221;åˆ›å¾å˜å‚¨˜q‡ç¨‹å‘å¯¼”ã€‚å¤æ‚å˜å‚¨è¿‡½E‹çš„è°ƒè¯•åQšåœ¨æŸ¥è¯¢åˆ†æžå™¨å·¦è¾¹çš„å¯¹è±¡‹¹è§ˆå™¨ï¼ˆæ²¡æœ‰åQŸæŒ‰F8åQ‰é€‰æ‹©è¦è°ƒè¯•çš„å˜å‚¨˜q‡ç¨‹,ç‚¹å³é”®ï¼Œç‚¹è°ƒè¯•ï¼Œè¾“å…¥å‚æ•°æ‰§è¡ŒåQŒå‡ºçŽîC¸€ä¸ªæÕQåŠ¨å·¥å…äh¡åQŒä¸Šé¢æœ‰å•æ¥æ‰§è¡ŒåQŒæ–ç‚¹è®¾¾|®ç‰ã€?/p>

larryjava 2007-07-27 10:00 å‘è¡¨è¯„è®º

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ã€è{è½½ã€‘oracleå¤‡ä†¾ä¸Žæ¢å¤ç²¾åŽèµ„æ–?/title>http://www.aygfsteel.com/larry/articles/121745.htmllarryjavalarryjavaMon, 04 Jun 2007 01:25:00 GMThttp://www.aygfsteel.com/larry/articles/121745.htmlhttp://www.aygfsteel.com/larry/comments/121745.htmlhttp://www.aygfsteel.com/larry/articles/121745.html#Feedback0http://www.aygfsteel.com/larry/comments/commentRss/121745.htmlhttp://www.aygfsteel.com/larry/services/trackbacks/121745.html
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ã€€ã€€3åQŒé‡æ–°å¯åŠ¨æ•°æ®åº“åQ?/font>startupåQ?/span>

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 su – oracle < sqlplus /nolog
 connect / as sysdba
 shutdown immediate;
 !cp æ–‡äšg å¤‡ä†¾ä½ç½®åQˆæ‰€æœ‰çš„æ—¥å¿—ã€æ•°æ®ã€æŽ§åˆ¶åŠå‚æ•°æ–‡äšgåQ?/font>;
 startup;
 exit;

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ã€€ã€€1åQŒé€šè¿‡è§†å›¾v$database,æŸ¥çœ‹æ•°æ®åº“æ˜¯å¦åœ¨Archiveæ¨¡å¼ä¸?/font>:

 SQL> select log_mode from v$database;

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ã€€ã€€åˆ™è®¾å®šæ•°æ®åº“˜qè¡ŒäºŽå½’æ¡£æ¨¡å¼ä¸‹åQ?/font>SQL>shutdown immediate

 SQL>startup mount
 SQL> alter database archivelog;
 SQL> alter database open;

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ã€€ã€€æ£å¸¸shutdownæ•°æ®åº“ï¼Œåœ¨å‚æ•°æ–‡ä»¶ä¸init.oraä¸åŠ å…¥å¦‚ä¸‹å‚æ•?/font>

 SQL>shutdown immediate

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 LOG_ARCHIVE_START=TRUE
 LOG_ARCHIVE_DEST1=ORACLE_HOME/admin/o816/arch(å½’æ¡£æ—¥å€¼å˜æ”¾ä½¾|®å¯ä»¥è‡ªå·±å®šä¹?/font>)
 SQL>startup

ã€€ã€€ç„¶åŽåQŒé‡æ–°å¯åŠ¨æ•°æ®åº“åQŒæ¤æ—?/font>Oracleæ•°æ®åº“å°†ä»¥è‡ªåŠ¨å½’æ¡£çš„æ–¹å¼å·¥ä½œåœ?/font>Archiveæ¨¡å¼ä¸‹ã€‚å…¶ä¸å‚æ•?/font>LOG_ARCHIVE_DEST1æ˜¯æŒ‡å®šçš„å½’æ¡£æ—¥å¿—æ–‡äšgçš„èµ\å¾„ï¼Œå»ø™®®ä¸?/font>Oracleæ•°æ®åº“æ–‡ä»¶å˜åœ¨ä¸åŒçš„¼‹¬ç›˜åQŒä¸€æ–šw¢å‡å°‘¼‚ç›˜I/Oç«žäº‰åQŒå¦å¤–ä¸€æ–šw¢ä¹Ÿå¯ä»¥é¿å…æ•°æ®åº“æ–‡äšgæ‰€åœ¨ç¡¬ç›˜æ¯åä¹‹åŽçš„æ–‡äšgä¸¢å¤±ã€‚å½’æ¡£èµ\å¾„ä¹Ÿå¯ä»¥ç›´æŽ¥æŒ‡å®šä¸ºç£å¸¦ç‰å…¶å®ƒç‰©ç†å˜å‚¨è®‘Ö¤‡åQŒä½†å¯èƒ½è¦è€ƒè™‘è¯Õd†™é€Ÿåº¦ã€å¯å†™æ¡ä»¶å’Œæ€§èƒ½½{‰å› ç´ ã€?/font>

ã€€ã€€æ³¨æ„åQšå½“æ•°æ®åº“å¤„åœ?/font>ARCHIVEæ¨¡å¼ä¸‹æ—¶åQŒä¸€å®šè¦ä¿è¯æŒ‡å®šçš„å½’æ¡£èµ\å¾„å¯å†™ï¼Œå¦åˆ™æ•°æ®åº“å°±ä¼šæŒ‚èµøP¼Œç›´åˆ°èƒ½å¤Ÿå½’æ¡£æ‰€æœ‰å½’æ¡£ä¿¡æ¯åŽæ‰å¯ä»¥ä‹Éç”¨ã€‚å¦å¤–ï¼Œä¸ºåˆ›å»ÞZ¸€ä¸ªæœ‰æ•ˆçš„å¤‡ä†¾,å½“æ•°æ®åº“åœ¨åˆ›å»ºæ—¶,å¿…é¡»å±¥è¡Œä¸€ä¸ªå…¨æ•°æ®åº“çš„å†·å¤‡ä»?/font>,ž®±æ˜¯è¯´æ•°æ®åº“éœ€è¦è¿è¡Œåœ¨å½’æ¡£æ–¹å¼,ç„¶åŽæ£å¸¸å…³é—æ•°æ®åº?/font>,å¤‡ä†¾æ‰€æœ‰çš„æ•°æ®åº“ç»„æˆæ–‡ä»¶ã€‚è¿™ä¸€å¤‡ä†¾æ˜¯æ•´ä¸ªå¤‡ä»½çš„åŸºç¡€,å› äØ“è¯¥å¤‡ä»½æä¾›äº†ä¸€ä¸ªæ‰€æœ‰æ•°æ®åº“æ–‡äšgçš„æ‹·è´ã€‚ï¼ˆä½“çŽ°äº†å†·å¤‡ä†¾ä¸Žçƒå¤‡ä†¾çš„åˆä½œå…³¾p»ï¼Œä»¥åŠå¼ºå¤§çš„èƒ½åŠ›ï¼‰

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 a,é¦–å…ˆåQŒä¿®æ”¹è¡¨½Iºé—´æ–‡äšgä¸ºå¤‡ä»½æ¨¡å¼?/font> ALTER TABLESPACE tablespace_name BEGIN BACKUP;

 b,ç„¶åŽåQŒæ‹·è´è¡¨½Iºé—´æ–‡äšgåˆ°å®‰å…¨åŒºåŸ?/font> !CP tablespace_name D_PATH;

 c,æœ€åŽï¼Œž®†è¡¨½Iºé—´çš„å¤‡ä»½æ¨¡å¼å…³é—?/font> ALTER TABLESPACE tablespace_name END BACKUP;

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 å¦‚æžœæ—¥å¿—æ–‡æ¡£æ¯”è¾ƒå¤šï¼Œæˆ‘ä»¬ž®†å®ƒä»¬å†™å…¥ä¸€ä¸ªæ–‡ä»¶æˆä¸ÞZ¸€ä¸ªæ¢å¤çš„å‚è€ƒï¼š$ files `ls <å½’æ¡£æ–‡äšgè·¯å¾„>/arch.dbf`;export files

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 SQL> alter database backup controlfile to 'controlfile_back_nameåQˆä¸€èˆ¬ç”¨2004-11-20çš„æ–¹å¼ï¼‰' reuse;

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 su – oracle < sqlplus /nolog
 connect / as sysdba
 ALTER TABLESPACE tablespace_name BEGIN BACKUP

 !CP tablespace_name D_PATH

 ALTER TABLESPACE tablespace_name END BACKUP

 alter database backup controlfile to 'controlfile_back_nameåQˆä¸€èˆ¬ç”¨2004-11-20çš„æ–¹å¼ï¼‰' reuse;

 !files `ls <å½’æ¡£æ–‡äšgè·¯å¾„>/arch.dbf`;export files

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 ž®†å…¨å¤‡ä†¾çš„æ•°æ®æ–‡ä»¶æ”¾åˆ°åŽŸæ¥ç³»¾lŸçš„ç›®å½•ä¸ã€?/font>
 ž®†å…¨å¤‡ä†¾åˆ°å¤±è´¥ç‚¹çš„æ‰€æœ‰å½’æ¡£æ—¥å¿—æ”¾åˆ°å‚æ•?/font>LOG_ARCHIVE_DEST_1æ‰€æŒ‡å®šçš„ä½¾|®ã€?/font>
 åˆ©ç”¨sqlplusç™»é™†åˆ°ç©ºå®žä¾‹ã€‚ï¼ˆconnect / as sysdbaåQ?/font>
 ç„¶åŽ startup mount
 set autorecovery on
 recover database;
 alter database open;

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Windowsòq›_°çš?/span>oracleå¤‡ä†¾(Veritas BE)

é€šè¿‡Backup Execå®žæ–½OracleçùNš¾æ¢å¤å¾ˆç®€å•ã€?/span>

1ã€éœ€è¦çš„æ•°æ®åQ?/font>

1ã€?span>FULL CLOSEDå¤‡ä†¾

shutdownæ•°æ®åº“ï¼ˆä¸è¦ç”?span>shutdown abortå¼ø™¡Œå…³é—åQ‰ï¼Œå®žæ–½ä¸€ä¸ªæ–‡ä»¶çñ”å¤‡ä†¾åQŒå¤‡ä»½å…¨éƒ¨çš„Oracleç›¸å…³æ–‡äšgåQŒåŒ…æ‹?span>Windows¾pÈ»Ÿæ–‡äšgåQŒç³»¾lŸçŠ¶æ€å’ŒOracle½E‹åºæ–‡äšgå’Œæ•°æ®æ–‡ä»¶ç‰å†…å®¹ã€?/span>

˜q™ä¸ªå†·å¤‡ä»½å¯¹äºŽå¿«é€Ÿæ¢å¤?span>Oracleæ•°æ®åº“ç³»¾lŸéžå¸¸å…³é”®ï¼Œå¦‚æžœæ²¡æœ‰å®ƒï¼Œ¾pÈ»Ÿè¢«ç ´ååŽåªèƒ½é‡æ–°å®‰è£…å†æ¢å¤ï¼Œ˜q™è¦æ¯”ç›´æŽ¥æ¢å¤å†·å¤‡ä†¾æ…¢å¾—å¤šï¼Œä¹Ÿæ›´å¤æ‚ã€?/font>

æ¯å½“æ•°æ®åº“æˆ–è¡¨å•çš„ç‰©ç†ç»“æž„æˆ–é€»è¾‘¾l“æž„æœ‰å˜åŒ–æ—¶éƒ½åº”è¯¥é‡æ–°åˆ›å»ø™¿™ä¸ªå†·å¤‡ä†¾ã€?/font>

2. FULL ONLINEå¤‡ä†¾

˜q™ä¸ªå¤‡ä†¾è¦é€šè¿‡Backup Exec Agent for Oracle Serveræ¥å®Œæˆï¼Œè¦å¤‡ä»½å…¨éƒ¨è¡¨½Iºé—´åQŒå½’æ¡£æ—¥å¿—å’ŒæŽ§åˆ¶æ–‡äšgåQŒé€šè¿‡˜q™ç§æ–¹å¼å¤‡ä†¾åQ?span>Oracleä¼šå°†æ‰€æœ‰ç¼“å˜å†…å®¹å†™å…¥æ–‡ä»Óž¼Œž®?span>online redo logåšå½’æ¡£ï¼Œæ‰€ä»¥æ•°æ®åº“å¤‡ä†¾ä¸åŒ…å«çš„æ˜¯å¤‡ä»½æ—¶æ•°æ®åº“çš„åÏx—¶ç‚¹ä¿¡æ¯ï¼Œå®Œæ•´è€Œä¸”æœ‰æ•ˆã€‚ä»¥åŽåšæ¢å¤æ—Óž¼Œå¯ä»¥æ¢å¤åˆ°æœ€åŽä¸€‹Æ?span>FULL ONLINEå¤‡ä†¾çš„çŠ¶æ€ã€?/font>

2ã€æ¢å¤è¿‡½E‹ï¼š

1. é‡æ–°å®‰è£…Windows¾pÈ»Ÿå’?span>Remote Agent for Windows ServeråQŒäØ“æ¢å¤OracleæœåŠ¡å™¨å‡†å¤‡çŽ¯å¢ƒã€?/span>

2. æ¢å¤æœ€åŽä¸€‹Æ?span>FULL CLOSEDå¤‡ä†¾åQŒé‡æ–°å¯åŠ¨è®¡½Ž—æœºã€?/span>

æ¤æ—¶Windows¾pÈ»ŸåQ?span>Oracleæ•°æ®åº“ç³»¾lŸéƒ½æ˜¯å®Œæ•´çš„åQŒåªæ˜?span>Oracleæ•°æ®åº“ä¸å¯èƒ½ä¸æ˜¯æœ€æ–°çš„æ•°æ®ã€?span>Backup Exec Agent for Oracle Serverä¹Ÿä¸ç”¨é‡æ–°å®‰è£…äº†ã€?/font>

3. ç”?span>SQLPlusç”?span>SYSä»?span>sysdbaíw«ä†¾˜qžæŽ¥åˆ°æ•°æ®åº“¾pÈ»ŸåQŒå…³é—æ•°æ®åº“ã€?nbsp;

shutdown immediate + < enter >

4. é€šè¿‡ä»‹è´¨æœåŠ¡å™¨æ¢å¤æœ€æ–°çš„FULL ONLINEå¤‡ä†¾åQŒæ¢å¤ä½œä¸šå±žæ€§çš„é«˜çñ”é€‰é¡¹ä¸ï¼Œ¼‹®ä¿é€‰ä¸äº?span>“Restore over Existing filesåQˆè¦†ç›–çŽ°å˜æ–‡ä»Óž¼‰” é€‰é¡¹ã€?/span>

è¦æƒ³æˆåŠŸçš„æ¢å¤æ•°æ®åº“åQŒåœ¨æœ€åŽä¸€‹Æ?span>FULL CLOSEDå¤‡ä†¾ä¹‹åŽçš„æ‰€æœ?span>redo logå¿…é¡»éƒ½å·²¾læˆåŠŸå½’æ¡£åÆˆå¤‡ä†¾ã€‚å°‘äº†å“ªä¸€ä¸ªï¼Œæ•°æ®åº“å°±æ— æ³•æ¢å¤åˆ°æœ€åŽçš„FULL ONLI NEå¤‡ä†¾æ—¶çš„çŠ¶æ€ã€?/font>

é€šè¿‡Oracleçš?span>alert logå¯ä»¥çœ‹åˆ°æ•°æ®åº“çš„æ¢å¤éœ€è¦å“ªäº›å½’æ¡£æ—¥å¿—ï¼Œä»¥åŠä½ åº”è¯¥æŠŠå®ƒä»¬æ¢å¤åˆîC»€ä¹ˆä½¾|®ã€?/font>

5. æ¢å¤å®ŒæˆåŽï¼Œç”?span>SYSç”¨æˆ·ä»?span>sysdbaíw«ä†¾˜qžæŽ¥åˆ°æ•°æ®åº“åQŒå°†æ•°æ®åº“åŠ è½½åˆ°mounté˜¶æ®µåQ?/span>

startup mount + < enter >

6. æ•°æ®åº?span>mountå®ŒæˆåŽï¼Œæ‰§è¡Œrecover˜q‡ç¨‹åQ?/font>

recover database using backup controlfile + < enter >

æ•°æ®åº“ä¼šæç¤ºä½ éœ€è¦å“ªäº›æ—¥å¿—ï¼š

ORA-00279: Change 36579 generated at needed for thread 1

ORA-00289: Suggestion : \Oracle_Home\Oradata\\%SID%T00036579.ARC

ORA-00280: {=Suggested | filename | AUTO | FROM logsource | CANCEL}

æœ€½Ž€å•çš„æ–ÒŽ³•æ˜¯é€‰è‡ªåŠ¨æ¢å¤ï¼š

auto + < enter >

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ORA-00308: cannot open archived log

E:\ORACLE\ORADATA\KIMSTAD\ARCHIVE\KIMSTADT00036949.ARC'

ORA-27041: unable to open file

OSD-04002: unable to open file

O/S-Error: (OS 2) The system cannot find the file specified.

ä¸ºæ¤è¾“å…¥ä»¥ä¸‹å‘½ä×oåQ?span>until cancelå‚æ•°ä½¿æˆ‘ä»¬å¯ä»¥åœ¨éœ€è¦çš„æ—¶å€™ä¸æ¢æ¢å¤è¿‡½E‹ï¼‰åQ?/font>

recover database until cancel using backup controlfile +

˜q™æ ·åœ¨æ•°æ®åº“æ¢å¤çš„æœ€åŽé˜¶ŒDµå†‹Æ¡æ½Cºå‰é¢çš„é”™è¯¯æ—Óž¼Œæˆ‘ä»¬ž®±å¯ä»¥ä¸æ¢æ¢å¤è¿‡½E‹ï¼š

cancel + < enter >

˜q™æ—¶é™¤äº†æœ€åŽä¸€ä¸?span>online redo logä»¥å¤–åQŒæ‰€æœ‰çš„commit transactionéƒ½å·²¾læäº¤åˆ°æ•°æ®åº“ä¹‹ä¸äº†åQŒå®ŒæˆåŽä¼šæ˜¾½Cºï¼š

Media recovery canceled

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alter database open resetlogs + < enter >

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1. ç”?/span>Oracleçš„çƒå¤‡ä†¾é‡å¾æ•°æ®åº?/font>

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1. åˆ›å¾æ•°æ®åº“æ¢å¤ä‹Éç”¨çš„çŽ¯å¢ƒ

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2. åˆ é™¤æ–°æœåŠ¡å™¨ä¸Šçš„Oracleå®žä¾‹

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$ sqlplus system/manager

SQL> spool file_name.txt

SQL> select file_name from sys.dba_data_files;

SQL> spool end

SQL>exit

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æ³¨ï¼šä»Žæœ¬æ¥å¼€å§‹æ‰€æœ‰æ“ä½œéƒ½æ˜¯ç”¨Oracleç”¨æˆ·ç™Õd½•æ“ä½œ¾pÈ»ŸåQ?/span>UnixåQ‰åŽ˜q›è¡Œã€‚æ–‡ä¸æ‰€æœ‰çš„é»‘è‰²¾_—ä½“5å·å—½W?/span>(æ ‡é¢˜é™¤å¤–)çš„è¯å¥å¯ä»¥ç›´æŽ¥æ‰§è¡Œï¼Œé»‘è‰²å€¾æ–œ¾_—ä½“5å·å—½W¦çš„è¯å¥éœ€è¦ä¿®æ”¹åŽæ‰§è¡Œã€?/span>

3. æ¢å¤æ•°æ®åº“æ–‡ä»?/span>

æŠŠå¤‡ä»½çš„æ‰€æœ‰æ•°æ®åº“æ–‡äšgç”?/span>Ftpä¸Šä¼ æ–°çš„æ•°æ®åº“æœåŠ¡å™¨ä¸çš„ç›¸åŒè·¯å¾„ä¸‹ã€‚å¦‚æžœåŽŸæ¥çš„è·¯å¾„å·²ä¸å˜åœ¨åQŒå¯ä»¥æ‹·è´åˆ°å…¶ä»–è·¯å¾„ä¸‹ï¼Œæ¢å¤æ—¶è¯¦¾l†å¤„ç†æ–¹æ³•è§æ¥éª¤7ä¸?/span><2>ã€?/span>

4. æ¢å¤åˆå§‹åŒ–å‚æ•°æ–‡ä»?/span>

æŠŠå¤‡ä»½çš„initSID.oraæ–‡äšgç”?/span>Ftpä¸Šä¼ åˆ°æ–°æ•°æ®åº“æœåŠ¡å™¨ä¸?/span>Oracleå®žä¾‹çš?/span>initSID.oraæ–‡äšgä½ç½®åQŒè¦†ç›–ä¹‹ã€‚å…¶ä½ç½®ä¸€èˆ¬åœ¨$ORACLE_HOME/dbsç›®å½•ä¸‹ã€?/span>

5. æ¢å¤æŽ§åˆ¶æ–‡äšg

æŠŠå¤‡ä»½çš„ControlFile.bakæ–‡äšgç”?/span>Ftpä¸Šä¼ åˆ°æ–°æ•°æ®åº“æœåŠ¡å™¨ä¸?/span>Oracleå®žä¾‹çš„å„ä¸ªé•œåƒèµ\å¾„ä¸‹åQŒåÆˆæŒ‰åˆå§‹åŒ–å‚æ•°æ–‡äšginitSID.oraä¸çš„è¯¥é¡¹çš„ä½¾|®å’Œåç§°å‘½åã€?/span>

control_files = ("/home/oracle/app/oracle/oradata/ora816/control01.ctl", "/home/oracle/app/oracle/oradata/ora816/control02.ctl","/home/oracle/app/oracle/oradata/ora816/control03.ctl")

å…¶èµ\å¾„å¦‚æœ‰å˜åŠ¨ï¼Œåœ¨åˆå§‹åŒ–å‚æ•°æ–‡äšginitSID.oraä¸ä¿®æ”¹å¦‚ä¸Šå†…å®¹çš„è·¯å¾„å’Œå¿UŽÍ¼Œä½¿å…¶å®žé™…è·¯å¾„ä¸Žè¯¥å‚æ•°çš„èµ\å¾„ä¸€è‡´ã€?/span>

6. æ¢å¤å½’æ¡£æ—¥å¿—æ–‡äšg

æŠŠæ•°æ®åº“å¤‡ä†¾åŽçš„å½’æ¡£æ—¥å¿—ç”?/span>Ftpä¸Šä¼ åˆ°æ–°æ•°æ®åº“æœåŠ¡å™¨çš„ç›¸åŒèµ\å¾„ä¸‹ã€‚èµ\å¾„å¦‚æœ‰å˜åŠ¨å¯ä»¥æ ¹æ®åˆå§‹åŒ–å‚æ•°æ–‡äšginitSID.oraä¸å¦‚ä¸‹ä½¾|®è¿›è¡Œä¿®æ”¹ï¼Œä½¿å…¶å®žé™…è·¯å¾„ä¸Žè¯¥å‚æ•°çš„èµ\å¾„ä¸€è‡´ã€?/span>

log_archive_dest_1 = "location=/home/oracle/app/oracle/admin/ora816/arch"

7. æ¢å¤æ•°æ®åº?/span>

¾lè¿‡ä»¥ä¸Š6ä¸ªæ¥éª¤ï¼ŒæŠŠæ‰€æœ‰çš„å¤‡ä†¾æ–‡äšgå·²ç»ä¸Šä¼ åˆîCº†æ–°æ•°æ®åº“æœåŠ¡å™¨ä¸ã€‚ä¸‹é¢å¼€å§‹æ ¹æ®è¿™äº›æ–‡ä»¶æ¢å¤åÆˆå¯åŠ¨æ•°æ®åº“ï¼Œå…ˆåœ¨æ“ä½œ¾pÈ»Ÿçš„æ½Cºç¬¦ä¸‹åšå¦‚ä¸‹æ“ä½œåQ?/span>

$svrmgrl

SVRMGR>connect internal

SVRMGR>startup mount

<1> åˆ›å¾å£ä×oæ–‡äšg

å¦‚æžœåŽŸæ¥çš„æ•°æ®åº“é…ç½®äº†å£ä»¤æ–‡ä»Óž¼Œòq¶ä¸”åœ?/span>mountæ•°æ®åº“æ—¶æŠ¥å¦‚ä¸‹é”™è¯¯ï¼š

ORA-01990: error opening password file '/home/oracle/app/oracle/product/8.1.6/dbs/orapw'

å¯ä»¥åˆ?/span>/home/oracle/app/oracle/product/8.1.6/dbs/è·¯å¾„ä¸‹ï¼Œç”¨ä»¥ä¸‹å‘½ä»¤åˆ›å»ºå£ä»¤æ–‡ä»Óž¼š

orapwd

å…¶ç”¨æ³•å¦‚ä¸‹ï¼š

Usage: orapwd file= password= entries=

where

file - name of password file (mand),åQˆå£ä»¤æ–‡ä»¶çš„å‘½åæ–¹å¼ä¸ºï¼šorapwSIDåQ?/span>

password - password for SYS and INTERNAL (mand),

entries - maximum number of distinct DBA and OPERs (opt),

There are no spaces around the equal-to (=) character.

ä¾‹å¦‚åQ?/span> orapwd file=orapwora816 password=manager

ç„¶åŽé‡æ–°æ‰§è¡Œå¦‚ä¸‹è¯å¥mountæ•°æ®åº“ï¼š

SVRMGR>startup mountã€?/span>

<2> ä¿®æ”¹æ•°æ®åº“æ–‡ä»¶çš„è·¯å¾„

å¦‚æžœåœ¨ä¸Š˜q°çš„æ¥éª¤3ä¸ä¿®æ”¹äº†æ¢å¤çš„æ•°æ®åº“æ–‡äšgçš„èµ\å¾„ï¼Œå¯ä»¥ç”¨å¦‚ä¸‹è¯å¥å¯¹æ•°æ®åº“æ–‡ä»‰™‡æ–°å‘½å?/span> åQ?/span>

alter database rename file 'old_file' to 'new_file';

å¦‚æŠŠåŽŸæ¥è·¯å¾„/home/oracle/app/oracle/oradata/ora816ä¸‹çš„æ–‡äšgsystem01.dbfæ”¹åˆ°äº?/span>/u21/oracle/app/oracle/oradata/ora816ä¸‹ï¼š

SVRMGR>alter database rename file

'/home/oracle/app/oracle/oradata/ora816/system01.dbf'

to '/u21/oracle/app/oracle/oradata/ora816/system01.dbf';

æŒ‰ç…§ä¸Šé¢çš„æ–¹æ³•æŠŠæ‰€æœ‰ä¿®æ”¹èµ\å¾„çš„æ•°æ®åº“æ–‡ä»‰™‡æ–°å‘½åã€?/span>

<3> æ ÒŽ®æŽ§åˆ¶æ–‡äšgå’Œå½’æ¡£æ—¥å¿—æ–‡ä»¶æ¢å¤æ•°æ®åº“

ä¸‹é¢å¼€å§‹ç”¨æŽ§åˆ¶æ–‡äšgå’Œå½’æ¡£æ—¥å¿—æ–‡ä»¶æ¢å¤æ•°æ®åº“åQ?/span>

SVRMGR>recover database using backup controlfile until cancel;

å‡ºçŽ°å¦‚ä¸‹æç¤ºåQ?/span>

ORA-00279: change 50971 generated at 08/23/2002 09:21:27 needed for thread 1

ORA-00289: suggestion: /home/oracle/app/oracle/admin/ora8/arch/arch_1_399.arc

ORA-00280: change 50971 for thread 1 is in sequence #399

Specify log: {=suggested | filename | AUTO | CANCEL}è¾“å…¥åQ?/span>

auto

å¦‚æžœæœ‰å¦‚ä¸‹æ½Cºï¼Œåˆ™è¡¨½CºæˆåŠŸã€?/span>

ORA-00279: change 51007 generated at 08/23/2002 11:23:13 needed for thread 1

ORA-00289: suggestion: /home/oracle/app/oracle/admin/ora8/arch/arch_1_400.arc

ORA-00280: change 51007 for thread 1 is in sequence #400

ORA-00278: log file '/home/oracle/app/oracle/admin/ora8/arch/arch_1_399.arc' noy

Log applied.

æ„å¤–å¤„ç†åQšå¦‚æžœå…¶å®ƒæ½Cºå¯èƒ½æ˜¯éœ€è¦çš„æ—¥å¿—æ–‡äšgä¸å˜åœ¨ï¼Œ‹‚€æŸ?/span>ORA-00289ä¸è¯¥æ–‡äšgæ˜¯å¦å˜åœ¨ã€?/span>

ç›´åˆ°å‡ºçŽ°å¦‚ä¸‹æç¤ºåQ?/span>

ORA-00279: change 51011 generated at 08/23/2002 11:23:45 needed for thread 1

ORA-00289: suggestion: /home/oracle/app/oracle/admin/ora8/arch/arch_1_401.arc

ORA-00280: change 51011 for thread 1 is in sequence #401

ORA-00278: log file '/home/oracle/app/oracle/admin/ora8/arch/arch_1_400.arc' noy

ORA-00308: cannot open archived log '/home/oracle/app/oracle/admin/ora8/arch

/arch_1_401.arc'

ORA-27037: unable to obtain file status

Intel SVR4 UNIX Error: 2: No such file or directory

Additional information: 3

<4> é‡ç½®æ—¥å¿—

SVRMGR>alter database open resetlogs;

æ„å¤–å¤„ç†åQšå¦‚æžœæ½Cºåˆ›å»ºæ—¥å¿—çš„è·¯å¾„ä¸å˜åœ¨ï¼ŒæŒ‰æ½Cø™µ\å¾„åˆ›å»ºç›®å½•ã€‚ç„¶åŽå†é‡ç½®æ—¥å¿—ã€?/span>

<5> é‡å¯æ•°æ®åº“ï¼Œå®Œæˆæ¢å¤

SVRMGR>shutdown immediate

SVRMGR>startup

ORACLE instance started.

Total System Global Area 123437040 bytes

Fixed Size 69616 bytes

Variable Size 106418176 bytes

Database Buffers 16777216 bytes

Redo Buffers 172032 bytes

Database mounted.

Database opened.

æ•°æ®åº“æ£å¸¸æ‰“å¼€åQŒæ•°æ®åº“é‡å¾æ¢å¤æˆåŠŸã€?/span>

2. Oracle9i RMAN å¤‡ä†¾åŠæ¢å¤æ¥éª?/font>

åœ¨è¿™é‡Œæ²¡æœ‰è®¨è®ºå¤šä¹ˆæ·±å…¥çš„RMANæŠ€æœ¯ï¼Œä¹Ÿæ²¡æœ‰å‘Šè¯‰å¤§å®¶è¿™æ ·åŽ»¾~–å†™å¤‡ä†¾è„šæœ¬åQŒè¿™òq¶ä¸æ˜¯æˆ‘çš„åˆè¡øP¼Œæˆ‘åªæƒÏxŠŠæˆ‘ä¼šçš„å†™å‡ºæ¥åQŒå’Œå¤§å®¶ä¸€èµ·å¦ä¹ ï¼Œä¸€èµ¯‚¿›æ¥ï¼Œè°¢è°¢ã€?/span>

1ã€åˆ‡æ¢æœåŠ¡å™¨å½’æ¡£æ¨¡å¼åQŒå¦‚æžœå·²¾læ˜¯å½’æ¡£æ¨¡å¼å¯èŸ©˜q‡æ¤æ¥ï¼š
%sqlplus /nolog (å¯åŠ¨sqlplus)
SQL> conn / as sysdba (ä»?/span>DBAíw«ä†¾˜qžæŽ¥æ•°æ®åº?/span>)
SQL> shutdown immediate; (ç«‹å³å…³é—æ•°æ®åº?/span>)
SQL> startup mount (å¯åŠ¨å®žä¾‹òq¶åŠ è½½æ•°æ®åº“åQŒä½†ä¸æ‰“å¼€)
SQL> alter database archivelog; (æ›´æ”¹æ•°æ®åº“äØ“å½’æ¡£æ¨¡å¼)
SQL> alter database open; (æ‰“å¼€æ•°æ®åº?/span>)
SQL> alter system archive log start; (å¯ç”¨è‡ªåŠ¨å½’æ¡£)
SQL> exit (é€€å‡?/span>)

2ã€è¿žæŽ¥ï¼š
%rman target=rman/rman@mydb (å¯åŠ¨æ¢å¤½Ž¡ç†å™?/span>)

3ã€åŸºæœ¬è®¾¾|®ï¼š
RMAN> configure default device type to disk; (è®„¡½®é»˜è®¤çš„å¤‡ä»½è®¾å¤‡äØ“¼‚ç›˜)
RMAN> configure device type disk parallelism 2; (è®„¡½®å¤‡ä†¾çš„åÆˆè¡Œçñ”åˆ«ï¼Œé€šé“æ•?/span>)
RMAN> configure channel 1 device type disk fromat '/backup1/backup_%U'; (è®„¡½®å¤‡ä†¾çš„æ–‡ä»¶æ ¼å¼ï¼Œåªé€‚ç”¨äºŽç£ç›˜è®¾å¤?/span>)
RMAN> configure channel 2 device type disk fromat '/backup2/backup_%U'; (è®„¡½®å¤‡ä†¾çš„æ–‡ä»¶æ ¼å¼ï¼Œåªé€‚ç”¨äºŽç£ç›˜è®¾å¤?/span>)
RMAN> configure controlfile autobackup on; (æ‰“å¼€æŽ§åˆ¶æ–‡äšgä¸ŽæœåŠ¡å™¨å‚æ•°æ–‡äšgçš„è‡ªåŠ¨å¤‡ä»?/span>)
RMAN> configure controlfile autobackup format for device type disk to '/backup1/ctl_%F'; (è®„¡½®æŽ§åˆ¶æ–‡äšgä¸ŽæœåŠ¡å™¨å‚æ•°æ–‡äšgè‡ªåŠ¨å¤‡ä†¾çš„æ–‡ä»¶æ ¼å¼?/span>)

4ã€æŸ¥çœ‹æ‰€æœ‰è®¾¾|®ï¼š
RMAN> show all

5ã€æŸ¥çœ‹æ•°æ®åº“æ–ÒŽ¡ˆæŠ¥è¡¨åQ?/span>
RMAN> report schema;

6ã€å¤‡ä»½å…¨åº“ï¼š
RMAN> backup database plus archivelog delete input; (å¤‡ä†¾å…¨åº“åŠæŽ§åˆ¶æ–‡ä»¶ã€æœåŠ¡å™¨å‚æ•°æ–‡äšgä¸Žæ‰€æœ‰å½’æ¡£çš„é‡åšæ—¥å¿—åQŒåÆˆåˆ é™¤æ—§çš„å½’æ¡£æ—¥å¿—)

7ã€å¤‡ä»½è¡¨½Iºé—´åQ?/span>
RMAN> backup tablespace system plus archivelog delete input; (å¤‡ä†¾æŒ‡å®šè¡¨ç©ºé—´åŠå½’æ¡£çš„é‡åšæ—¥å¿—ï¼Œòq¶åˆ é™¤æ—§çš„å½’æ¡£æ—¥å¿?/span>)

8ã€å¤‡ä»½å½’æ¡£æ—¥å¿—ï¼š
RMAN> backup archivelog all delete input;

9ã€å¤åˆ¶æ•°æ®æ–‡ä»Óž¼š
RMAN> copy datafile 1 to '/oracle/dbs/system.copy';

10ã€æŸ¥çœ‹å¤‡ä»½å’Œæ–‡äšgå¤æœ¬åQ?/span>
RMAN> list backup;

11ã€éªŒè¯å¤‡ä»½ï¼š
RMAN> validate backupset 3;

12ã€ä»Žè‡ªåŠ¨å¤‡ä†¾ä¸æ¢å¤æœåŠ¡å™¨å‚æ•°æ–‡äšgåQ?/span>
RMAN> shutdown immediate; (ç«‹å³å…³é—æ•°æ®åº?/span>)
RMAN> startup nomount; (å¯åŠ¨å®žä¾‹)
RMAN> restore spfile to pfile '/backup1/mydb.ora' from autobackup; (ä»Žè‡ªåŠ¨å¤‡ä»½ä¸æ¢å¤æœåŠ¡å™¨å‚æ•°æ–‡ä»?/span>)

13ã€ä»Žè‡ªåŠ¨å¤‡ä†¾ä¸æ¢å¤æŽ§åˆ¶æ–‡ä»Óž¼š
RMAN> shutdown immediate; (ç«‹å³å…³é—æ•°æ®åº?/span>)
RMAN> startup nomount; (å¯åŠ¨å®žä¾‹)
RMAN> restore controlfile to '/backup1' from autobackup; (ä»Žè‡ªåŠ¨å¤‡ä»½ä¸æ¢å¤æŽ§åˆ¶æ–‡äšg)

13ã€æ¢å¤å’Œå¤åŽŸå…¨æ•°æ®åº“åQ?/span>
RMAN> shutdown immediate; (ç«‹å³å…³é—æ•°æ®åº?/span>)
RMAN> exit (é€€å‡?/span>)
%mv /oracle/dbs/tbs_12.f /oracle/dbs/tbs_12.bak (ž®†æ•°æ®æ–‡ä»‰™‡å‘½å)
%mv /oracle/dbs/tbs_13.f /oracle/dbs/tbs_13.bak (ž®†æ•°æ®æ–‡ä»‰™‡å‘½å)
%mv /oracle/dbs/tbs_14.f /oracle/dbs/tbs_14.bak (ž®†æ•°æ®æ–‡ä»‰™‡å‘½å)
%mv /oracle/dbs/tbs_15.f /oracle/dbs/tbs_15.bak (ž®†æ•°æ®æ–‡ä»‰™‡å‘½å)
%rman target=rman/rman@mydb (å¯åŠ¨æ¢å¤½Ž¡ç†å™?/span>)
RMAN> startup pfile=/oracle/admin/mydb/pfile/initmydb.ora (æŒ‡å®šåˆå§‹åŒ–å‚æ•°æ–‡ä»¶å¯åŠ¨æ•°æ®åº“)
RMAN> restore database; (˜q˜åŽŸæ•°æ®åº?/span>)
RMAN> recover database; (æ¢å¤æ•°æ®åº?/span>)
RMAN> alter database open; (æ‰“å¼€æ•°æ®åº?/span>)

14ã€æ¢å¤å’Œå¤åŽŸè¡¨ç©ºé—ß_¼š
RMAN> sql 'alter tablespace users offline immediate'; (ž®†è¡¨½Iºé—´è„±æœº)
RMAN> exit (é€€å‡ºæ¢å¤ç®¡ç†å™¨)
%mv /oracle/dbs/users01.dbf /oracle/dbs/users01.bak (ž®†è¡¨½Iºé—´é‡å‘½å?/span>)
%rman target=rman/rman@mydb (å¯åŠ¨æ¢å¤½Ž¡ç†å™?/span>)
RMAN> restore tablespace users; (˜q˜åŽŸè¡¨ç©ºé—?/span>)
RMAN> recover tablespace users; (æ¢å¤è¡¨ç©ºé—?/span>)
RMAN> sql 'alter tablespace users online'; (ž®†è¡¨½Iºé—´è”æœº)

15ã€å¢žé‡å¤‡ä»½ä¸Žæ¢å¤åQ?/span>
½W¬ä¸€å¤©çš„å¢žé‡åŸºæœ¬å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=0 database plus archivelog delete input;
½W¬äºŒå¤©çš„å¢žé‡å·®å¼‚å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=2 database plus archivelog delete input;
½W¬ä¸‰å¤©çš„å¢žé‡å·®å¼‚å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=2 database plus archivelog delete input;
½W¬å››å¤©çš„å¢žé‡å·®å¼‚å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=1 database plus archivelog delete input;
½W¬äº”å¤©çš„å¢žé‡å·®å¼‚å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=2 database plus archivelog delete input;
½W¬å…å¤©çš„å¢žé‡å·®å¼‚å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=2 database plus archivelog delete input;
½W¬ä¸ƒå¤©çš„å¢žé‡å·®å¼‚å¤‡ä†¾åQ?/span>
RMAN> backup incremental level=0 database plus archivelog delete input;

å¢žé‡æ¢å¤åQ?/span>
RMAN> shutdown immediate;
RMAN> exit
%mv /oracle/dbs/tbs_12.f /oracle/dbs/tbs_12.bak
%mv /oracle/dbs/tbs_13.f /oracle/dbs/tbs_13.bak
%mv /oracle/dbs/tbs_14.f /oracle/dbs/tbs_14.bak
%mv /oracle/dbs/tbs_15.f /oracle/dbs/tbs_15.bak
%rman target=rman/rman@mydb
RMAN> startup pfile=/oracle/admin/mydb/pfile/initmydb.ora
RMAN> restore database;
RMAN> recover database;
RMAN> alter database open;

larryjava 2007-06-04 09:25 å‘è¡¨è¯„è®º
]]>ä¼˜åŒ–--è®©ä½ çš„SQL˜qè¡Œé€Ÿåº¦æ˜Žæ˜¾æé«˜</h1> larryjava — Fri, 11 May 2007 01:55:00 GMT  ½W”è€…åœ¨å·¥ä½œå®žè·µä¸å‘çŽŽÍ¼Œä¸è‰¯çš„SQLå¾€å¾€æ¥è‡ªäºŽä¸æ°å½“çš„çƒ¦å¼•è®¾è®¡ã€ä¸å……ä†¾çš„è¿žæŽ¥æ¡ä»¶å’Œä¸å¯ä¼˜åŒ–çš„whereåå¥ã€‚åœ¨å¯¹å®ƒä»¬è¿›è¡Œé€‚å½“çš„ä¼˜åŒ–åŽåQŒå…¶˜qè¡Œé€Ÿåº¦æœ‰äº†æ˜Žæ˜¾åœ°æé«˜ï¼ä¸‹é¢æˆ‘å°†ä»Žè¿™ä¸‰ä¸ªæ–šw¢åˆ†åˆ«˜q›è¡Œæ€È»“åQšï¼ˆä¸ÞZº†æ›´ç›´è§‚åœ°è¯´æ˜Žé—®é¢˜åQŒæ‰€æœ‰å®žä¾‹ä¸çš„SQL˜qè¡Œæ—‰™—´å‡ç»˜q‡æµ‹è¯•ï¼Œä¸è¶…˜q‡ï¼‘¿U’çš„å‡è¡¨½CÞZØ“åQ?lt; 1¿U’ï¼‰ã€?åQ?br> ä¸€ã€ä¸åˆç†çš„çƒ¦å¼•è®¾è®?/strong> ã€€ã€€ä¾‹ï¼šè¡¨recordæœ?20000è¡Œï¼Œè¯•çœ‹åœ¨ä¸åŒçš„ç´¢å¼•ä¸‹ï¼Œä¸‹é¢å‡ ä¸ª SQLçš„è¿è¡Œæƒ…å†µï¼š ã€€ã€€1.åœ¨dateä¸Šå¾æœ‰ä¸€éžä¸ª¾Ÿ¤é›†ç´¢å¼• select count() from record where date > ''19991201'' and date < ''19991214''and amount > 2000 (25¿U? select date,sum(amount) from record group by date (55¿U? select count() from record where date > ''19990901'' and place in (''BJ'',''SH'') (27¿U? ã€€ã€€åˆ†æžåQ? ã€€ã€€dateä¸Šæœ‰å¤§é‡çš„é‡å¤å€û|¼Œåœ¨éž¾Ÿ¤é›†ç´¢å¼•ä¸‹ï¼Œæ•°æ®åœ¨ç‰©ç†ä¸Šéšæœºå˜æ”¾åœ¨æ•°æ®é¡µä¸Šï¼Œåœ¨èŒƒå›´æŸ¥æ‰¾æ—¶åQŒå¿…™åÀL‰§è¡Œä¸€‹Æ¡è¡¨æ‰«ææ‰èƒ½æ‰‘Öˆ°˜q™ä¸€èŒƒå›´å†…çš„å…¨éƒ¨è¡Œã€? 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create proc count_stuff as declare @a int declare @b int declare @c int declare @d char(10) begin select @a=count() from stuff where id_no=''0'' select @b=count(*) from stuff where id_no=''1'' end select @c=@a+@b select @d=convert(char(10),@c) print @d ã€€ã€€ç›´æŽ¥½Ž—å‡º¾l“æžœåQŒæ‰§è¡Œæ—¶é—´åŒä¸Šé¢ä¸€æ ·å¿«åQ? ã€€ã€€æ€È»“åQ?br> ã€€ã€€å¯è§åQŒæ‰€è°“ä¼˜åŒ–å³whereåå¥åˆ©ç”¨äº†çƒ¦å¼•ï¼Œä¸å¯ä¼˜åŒ–å›_‘ç”Ÿäº†è¡¨æ‰«ææˆ–é¢å¤–å¼€é”€ã€? ã€€ã€€1.ä»ÖM½•å¯¹åˆ—çš„æ“ä½œéƒ½ž®†å¯¼è‡´è¡¨æ‰«æåQŒå®ƒåŒ…æ‹¬æ•°æ®åº“å‡½æ•°ã€è®¡½Ž—è¡¨è¾‘Ö¼½{‰ç‰åQŒæŸ¥è¯¢æ—¶è¦å°½å¯èƒ½ž®†æ“ä½œç§»è‡³ç‰å·å³è¾V€? ã€€ã€€2.inã€oråå¥å¸æ€¼šä½¿ç”¨å·¥ä½œè¡¨ï¼Œä½¿çƒ¦å¼•å¤±æ•ˆï¼›å¦‚æžœä¸äñ”ç”Ÿå¤§é‡é‡å¤å€û|¼Œå¯ä»¥è€ƒè™‘æŠŠåå¥æ‹†å¼€åQ›æ‹†å¼€çš„åå¥ä¸åº”è¯¥åŒ…å«ç´¢å¼•ã€? ã€€ã€€3.è¦å–„äºŽä‹Éç”¨å˜å‚¨è¿‡½E‹ï¼Œå®ƒä‹ÉSQLå˜å¾—æ›´åŠ ç‰|´»å’Œé«˜æ•ˆã€? ã€€ã€€ä»Žä»¥ä¸Šè¿™äº›ä¾‹åå¯ä»¥çœ‹å‡ºï¼ŒSQLä¼˜åŒ–çš„å®žè´¨å°±æ˜¯åœ¨¾l“æžœæ£ç¡®çš„å‰æä¸‹åQŒç”¨ä¼˜åŒ–å™¨å¯ä»¥è¯†åˆ«çš„è¯å¥åQŒå……ä»½åˆ©ç”¨çƒ¦å¼•ï¼Œå‡å°‘è¡¨æ‰«æçš„I/O‹Æ¡æ•°åQŒå°½é‡é¿å…è¡¨æœçƒ¦çš„å‘ç”Ÿã€‚å…¶å®žSQLçš„æ€§èƒ½ä¼˜åŒ–æ˜¯ä¸€ä¸ªå¤æ‚çš„˜q‡ç¨‹åQŒä¸Š˜q°è¿™äº›åªæ˜¯åœ¨åº”ç”¨å±‚æ¬¡çš„ä¸€¿Uä½“çŽŽÍ¼Œæ·±å…¥ç ”ç©¶˜q˜ä¼šæ¶‰åŠæ•°æ®åº“å±‚çš„èµ„æºé…¾|®ã€ç½‘¾lœå±‚çš„æµé‡æŽ§åˆ¶ä»¥åŠæ“ä½œç³»¾lŸå±‚çš„æ€ÖM½“è®¾è®¡ã€? <div align="right"><a style="text-decoration:none;" href="http://www.aygfsteel.com/larry/" target="_blank">larryjava</a> 2007-05-11 09:55 <a href="http://www.aygfsteel.com/larry/articles/116663.html#Feedback" target="_blank" style="text-decoration:none;">å‘è¡¨è¯„è®º</a></div>]]> </article> </main></body></html>

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