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10 ²¶×½ÔËÐкܾõÄSQL 9
11 ²é¿´Êý¾Ý±íµÄ²ÎÊýÐÅÏ¢ 9
12 ²é¿´»¹Ã»Ìá½»µÄÊÂÎñ 9
13 ²éÕÒobjectΪÄÄЩ½ø³ÌËùÓà 10
14 »Ø¹ö¶Î²é¿´ 10
15 ºÄ×ÊÔ´µÄ½ø³Ì£¨top session£© 10
16 ²é¿´Ëø£¨lock£©Çé¿ö 11
17 ²é¿´µÈ´ý£¨wait£©Çé¿ö 11
18 ²é¿´sgaÇé¿ö 11
19 ²é¿´catched object 11
20 ²é¿´V$SQLAREA 11
21 ²é¿´object·ÖÀàÊýÁ¿ 11
22 °´Óû§²é¿´objectÖÖÀà 11
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3 ¸ù¾Ýsid²é¿´¶ÔÓ¦Á¬½ÓÕýÔÚÔËÐеÄsql 12
24 ²éѯ±í¿Õ¼äʹÓÃÇé¿ö 13
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26 ²éѯÓÐÄÄЩÊý¾Ý¿âʵÀýÔÚÔËÐÐ 14
27 ´´½¨Êý¾Ýlook $ORACLE_HOME/rdbms/admin/buildall.sql 14
28 Êý¾Ý×Öµä 14
29 revoke dba from user_name; 15
30¿ØÖÆÎļþ 15
31±¸·ÝÓû§±í¿Õ¼ä 16
32±¸·Ý¿ØÖÆÎļþ 16
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34redo log 16
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1ʵ¼ù£º 19
2¶ÔÊý¾Ý±í×öһЩ²Ù×÷£¬Îª»Ö¸´²Ù×÷×ö×¼±¸ 19
36 tablespace 19
1±í¿Õ¼äºÍÊý¾ÝÎļþµÄ¶ÔÓ¦¹ØÏµ 19
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4 ÔÚ´´½¨±í¿Õ¼äʱ£¬ÉèÖñí¿Õ¼äÄڵĶοռä¹ÜÀíģʽ£¬ÕâÀïÓõÄÊÇ×Ô¶¯¹ÜÀí 20
5 undo tablespace(²»Äܱ»ÓÃÔÚ×Öµä¹ÜÀíÄ£ÏÂ) 20
6 ÉèÖÃÊý¾Ý¿âȱʡµÄÁÙʱ±í¿Õ¼ä 21
7ϵͳ/ÁÙʱ/ÔÚÏßµÄundo±í¿Õ¼ä²»Äܱ»offline 21
8ÖØÃüÃûÓû§±í¿Õ¼ä 21
9ÖØÃüÃûϵͳ±í¿Õ¼ä ,µ«ÔÚÖØÃüÃûǰ±ØÐ뽫Êý¾Ý¿âshutdown,²¢ÖØÆôµ½mount״̬ 21
10resize tablespace,autoextend datafile space 21
11resize datafile 21
12¸ø±í¿Õ¼äÀ©Õ¹¿Õ¼ä 21
13½«±í¿Õ¼äÉèÖóÉOMF״̬ 22
14 ½«±íµÄij·ÖÇøÒÆ¶¯µ½ÁíÒ»¸ö±í¿Õ¼ä 22
15 ÊÖ¹¤·ÖÅä±í¿Õ¼ä¶ÎµÄ·ÖÇø(extend)´óС 22
16 Êý¾Ý¶ÔÏóËùÕ¼ÓõÄ×Ö½ÚÊý 22
37 UNDO Data 22
1 ºöÂԻعö¶ÎµÄ´íÎóÌáʾ 23
2 ÔÚ×Ô¶¯¹ÜÀíģʽÏÂ,²»»áÕæÕý½¨Á¢rbs1;ÔÚÊÖ¹¤¹ÜÀíģʽÔò¿ÉÒÔ½¨Á¢,ÇÒÊÇ˽Óлعö¶Î 23
3 ÔÚÌá½»ÁËÐ޸ĵÄÊý¾Ýºó,9iÌṩÁ˾ÉÊý¾ÝµÄ»ØÉÁ²Ù×÷,½«ÐÞ¸ÄǰµÄÊý¾ÝÖ»¶Á¸øÓû§¿´,µ«Õⲿ·ÖÊý¾Ý²»»áÓÖ»Ö¸´ÔÚ±íÖÐ,¶øÊǾÉÊý¾ÝµÄÒ»¸öÓ³Éä 23
4 »Ø¹ö¶ÎµÄͳ¼ÆÐÅÏ¢ 23
5 ÔÚÊÖ¹¤¹ÜÀíģʽÏÂ,½¨Á¢¹«¹²µÄ»Ø¹ö¶Î 24
38 Managing Tables 24
1 ÊÖ¹¤·ÖÅä·ÖÇø,·ÖÅäµÄÊý¾ÝÎļþ±ØÐëÊDZíËùÔÚ±í¿Õ¼äÄÚµÄÊý¾ÝÎļþ 25
2 ÊͷűíÖÐûÓÐÓõ½µÄ¿Õ¼ä 25
3 ½«·Ç·ÖÇø±íµÄ±í¿Õ¼ä°áµ½Ðµıí¿Õ¼ä,ÔÚÒÆ¶¯±í¿Õ¼äºó£¬Ô±íÖеÄË÷Òý¶ÔÏ󽫻᲻¿ÉÓ㬱ØÐëÖØ½¨ 25
4 ¸ø±íÖв»ÓõÄÁÐ×ö±ê¼Ç 26
5 drop±íÖв»ÓõÄ×öÁ˱ê¼ÇÁÐ 26
39 managing indexes 26
1 create index 26
1´´½¨Ò»°ãË÷Òý 26
2´´½¨Î»Í¼Ë÷Òý 26
3 Ë÷ÒýÖв»ÄÜÓÃpctused 26
4 ´óÊý¾ÝÁ¿µÄË÷Òý×îºÃ²»Òª×öÈÕÖ¾ 26
5 ´´½¨·´×ªË÷Òý 27
6 ´´½¨º¯ÊýË÷Òý 27
7 ½¨±íʱ´´½¨Ô¼ÊøÌõ¼þ 27
2 ¸ø´´½¨bitmap index·ÖÅäµÄÄÚ´æ¿Õ¼ä²ÎÊý£¬ÒÔ¼ÓËÙ½¨Ë÷Òý 27
3 ¸Ä±äË÷ÒýµÄ´æ´¢²ÎÊý 27
4 ¸øË÷ÒýÊÖ¹¤·ÖÅäÒ»¸ö·ÖÇø 27
5 ÊÍ·ÅË÷ÒýÖÐûÓõĿռä 27
6 Ë÷ÒýÖØ½¨ 27
7 ÆÕͨË÷ÒýºÍ·´×ªË÷ÒýµÄ»¥»» 28
8 ÖØ½¨Ë÷Òýʱ£¬²»Ëø±í 28
9 ¸øË÷ÒýÕûÀíË鯬 28
10 ·ÖÎöË÷Òý,ÊÂʵÉÏÊǸüÐÂͳ¼ÆµÄ¹ý³Ì 28
11 ÓйØË÷ÒýÐÅÏ¢µÄÊÓͼ 28
40 Êý¾ÝÍêÕûÐԵĹÜÀí(Maintaining data integrity) 28
1 ´´½¨Íâ¼üÔ¼Êø 29
2 ²»Ð§ÑéÀÏÊý¾Ý£¬Ö»Ô¼ÊøÐµÄÊý¾Ý[enable/disable£ºÔ¼Êø/²»Ô¼ÊøÐÂÊý¾Ý;novalidate/validate:²»¶Ô/¶ÔÀÏÊý¾Ý½øÐÐÑéÖ¤] 29
3 ÐÞ¸ÄÔ¼ÊøÌõ¼þ£¬ÑÓʱÑéÖ¤£¬commitʱÑéÖ¤ 29
4 ÐÞ¸ÄÔ¼ÊøÌõ¼þ£¬Á¢¼´ÑéÖ¤ 29
5 dropÒ»¸öÓÐÍâ¼üµÄÖ÷¼ü±í,´øcascade constraints²ÎÊý¼¶ÁªÉ¾³ý 29
6 µ±truncateÍâ¼ü±íʱ£¬ÏȽ«Íâ¼üÉèΪÎÞЧ£¬ÔÙtruncate 29
7 ÉèÔ¼ÊøÌõ¼þÎÞЧ 30
1 30
2 ÔËÐд´½¨exceptions±íµÄ½Å±¾* 30
3 »ñÈ¡Ô¼ÊøÌõ¼þÐÅÏ¢µÄ±í»òÊÓͼ 30
41 managing password security and resources 30
1 ½¨Á¢¿ÚÁîÅäÖÃÎļþ,failed_login_attempts¿ÚÁîÊä¶àÉٴκóËø£¬password_lock_timesÖ¸¶àÉÙÌìºó¿ÚÁî±»×Ô¶¯½âËø 30
2 ´´½¨¿ÚÁîÅäÖÃÎļþ 30
3 ½¨Á¢×ÊÔ´ÅäÖÃÎļþ 31
4 ÉèÖÿÚÁî½âËøÊ±¼ä 31
5 password_life_timeÖ¸¿ÚÁîÎļþ¶àÉÙʱ¼äµ½ÆÚ£¬password_grace_timeÖ¸ÔÚµÚÒ»´Î³É¹¦µÇ¼ºóµ½¿ÚÁîµ½ÆÚÓжàÉÙÌìʱ¼ä¿É¸Ä±ä¿ÚÁî 31
6 password_reuse_timeÖ¸¿ÚÁîÔÚ¶àÉÙÌìÄڿɱ»ÖØÓÃ,password_reuse_max¿ÚÁî¿É±»ÖØÓõÄ×î´ó´ÎÊý 31
7 ½¨Á¢ÁËprofileºó£¬ÇÒÖ¸¶¨¸øÄ³¸öÓû§£¬Ôò±ØÐëÓÃCASCADE²ÅÄÜɾ³ý 31
42 ÅäÖÃ×ÊÔ´²ÎÊý 31
1 ×ÊÔ´²ÎÊý(session¼¶) 32
2 »ñÈ¡×ÊÔ´ÐÅÏ¢µÄ±í»òÊÓͼ 32
43 Managing users 32
1 ´´½¨Óû§ 32
2 Êý¾Ý¿â¼¶É趨ȱʡÁÙʱ±í¿Õ¼ä 33
3 ÖÆ¶¨Êý¾Ý¿â¼¶µÄȱʡ±í¿Õ¼ä 33
4 ´´½¨os¼¶ÉóºËµÄÓû§£¬ÐèÖªµÀos_authent_prefix£¬±íʾoracleºÍos¿ÚÁî¶ÔÓ¦µÄǰ׺,'OPS$'Ϊ´Ë²ÎÊýµÄÖµ£¬´ËÖµ¿ÉÒÔÈÎÒâÉèÖà 33
5 ÐÞ¸ÄÓû§Ê¹Óñí¿Õ¼äµÄÏÞ¶î,»Ø¹ö±í¿Õ¼äºÍÁÙʱ±í¿Õ¼ä²»ÔÊÐíÊÚÓèÏÞ¶î 33
6 ɾ³ýÓû§»òɾ³ý¼¶ÁªÓû§(Óû§¶ÔÏóÏÂÓжÔÏóµÄÒªÓÃCASCADE£¬½«ÆäÏÂһЩ¶ÔÏóÒ»Æðɾ³ý) 33
7 ÿ¸öÓû§ÔÚÄÄЩ±í¿Õ¼äÏÂÓÐЩʲôÏÞ¶î 33
8 ¸Ä±äÓû§µÄȱʡ±í¿Õ¼ä 33
44 Managing Privileges 33
1 ÊÚÓèȨÏÞÓï·¨,public ±êʶËùÓÐÓû§,with admin optionÔÊÐíÄܽ«È¨ÏÞÊÚÓèµÚÈýÕßµÄȨÏÞ 34
2 µ± O7_dictionary_accessiblity²ÎÊýΪTrueʱ£¬±êʶselect any tableʱ£¬°üÀ¨ÏµÍ³±íÒ²ÄÜselect ,·ñÔò£¬²»°üº¬ÏµÍ³±í;ȱʡΪfalse 34
3 ÓÉÓÚ O7_dictionary_accessiblityΪ¾²Ì¬²ÎÊý£¬²»Äܶ¯Ì¬¸Ä±ä£¬¹Ê¼Óscope=spfile,ÏÂ´ÎÆô¶¯Ê±²ÅÉúЧ 34
4 ÊÚÓè¶ÔÏóÖеÄijЩ×ֶεÄȨÏÞ£¬Èçselect ij±íÖеÄijЩ×ֶεÄȨÏÞ 34
5 oracle²»ÔÊÐíÊÚÓèselectijÁеÄȨÏÞ,µ«¿ÉÒÔÊÚinsert ,updateijÁеÄȨÏÞ 34
6 db/os/none É󼯱»¼Ç¼ÔÚ Êý¾Ý¿â/²Ù×÷ϵͳ/²»Éó¼Æ È±Ê¡ÊÇnone 35
7 Æô¶¯¶Ô±íµÄselect¶¯×÷ 35
8 by sessionÔÚÿ¸ösessionÖз¢³öcommandÖ»¼Ç¼һ´Î£¬by accessÔòÿ¸öcommand¶¼¼Ç¼ 35
9 È¡ÏûÉó¼Æ 35
10 ²é±»Éó¼ÆÐÅÏ¢ 35
»ñÈ¡É󼯼Ǽ 35
45 Managing Role 35
1 ½¨Á¢default role,Óû§µÇ¼ʱ£¬È±Ê¡¼¤»îdefault role 36
46 Basic SQL SELECT 36
1 ʹÓÃ×Ö·ûº¯Êý(Óұ߽ØÈ¡,×Ö¶ÎÖаüº¬Ä³¸ö×Ö·û,×ó±ßÌî³äij×Ö·ûµ½¹Ì¶¨Î»Êý,ÓÒ±ßÌî³äij×Ö·ûµ½¹Ì¶¨Î»Êý) 37
2 ʹÓÃÊý×Öº¯Êý(ÍùÓÒ/×ó¼¸Î»ËÄÉáÎåÈë,È¡Õû,È¡Óà) 37
3 ʹÓÃÈÕÆÚº¯Êý(¼ÆËãÁ½¸öÈÕÆÚ¼äÏà²î¼¸¸öÐÇÆÚ,Á½¸öÈÕÆÚ¼äÏà¸ô¼¸¸öÔÂ,ÔÚij¸öÔ·ÝÉϼӼ¸¸öÔÂ,ij¸öÈÕÆÚµÄÏÂÒ»¸öÈÕÆÚ, ijÈÕÆÚËùÔÚÔµÄ×îºóµÄÈÕÆÚ,¶Ôij¸öÈÕÆÚµÄÔ·ÖËÄÉáÎåÈ룬¶Ôij¸öÈÕÆÚµÄÔ·ݽøÐÐÈ¡Õû) 37
4 ʹÓÃNULLº¯Êý(µ±expr1Ϊ¿ÕÈ¡expr2/µ±expr1Ϊ¿ÕÈ¡expr2,·ñÔòÈ¡expr3/µ±expr1=expr2·µ»Ø¿Õ) 37
47 CREATE/ALTER TABLE 38
1 ½¨Á¢Íâ¼ü 39
2 ɾ³ýÁУ¬²¢¼¶ÁªÉ¾³ý´ËÁÐϵÄÔ¼ÊøÌõ¼þ 39
48 Create Views 39
1 ʹÓñðÃû 39
2 ´´½¨¸´ÔÓÊÓͼ 40
3 µ±ÓÃupdateÐÞ¸ÄÊý¾Ýʱ£¬±ØÐëÂú×ãÊÓͼµÄcol1>10µÄÌõ¼þ£¬²»Âú×ãÔò²»Äܱ»¸Ä±ä. 40
4 ¸Ä±äÊÓͼµÄÖµ.¶ÔÓÚ¼òµ¥ÊÓͼ¿ÉÒÔÓÃupdateÓï·¨Ð޸ıíÊý¾Ý£¬µ«¸´ÔÓÊÓͼÔò²»Ò»¶¨Äܸġ£ÈçʹÓÃÁ˺¯Êý£¬group by ,distinctµÈµÄÁÐ 40
5 TOP-N·ÖÎö 40
6 ÕÒ³öijÁÐÈýÌõ×î´óÖµµÄ¼Ç¼ 40
49 Other database Object 40
1 union ²Ù×÷£¬Ëü½«Á½¸ö¼¯ºÏµÄ½»¼¯²¿·ÖѹËõ£¬²¢¶ÔÊý¾ÝÅÅÐò 41
2 union all ²Ù×÷£¬Á½¸ö¼¯ºÏµÄ½»¼¯²¿·Ö²»Ñ¹Ëõ£¬ÇÒ²»¶ÔÊý¾ÝÅÅÐò 41
3 intersect ²Ù×÷£¬ÇóÁ½¸ö¼¯ºÏµÄ½»¼¯,Ëü½«¶ÔÖØ¸´Êý¾Ý½øÐÐѹËõ£¬ÇÒÅÅÐò 41
4 minus ²Ù×÷£¬¼¯ºÏ¼õ,Ëü½«Ñ¹ËõÁ½¸ö¼¯ºÏ¼õºóµÄÖØ¸´¼Ç¼, ÇÒ¶ÔÊý¾ÝÅÅÐò 42
5 EXTRACT ³éȡʱ¼äº¯Êý. ´ËÀýÊdzéÈ¡µ±Ç°ÈÕÆÚÖеÄÄê 42
6 EXTRACT ³éȡʱ¼äº¯Êý. ´ËÀýÊdzéÈ¡µ±Ç°ÈÕÆÚÖеÄÔ 42
7 ÔöÇ¿µÄ group by ×Ó¾ä 42
1 Æä½á¹û¿´ÆðÀ´Ïó¶Ôcol1×öС¼Æ 42
2 ¸´ºÏrollup±í´ïʽ 42
3 Æä½á¹û¿´ÆðÀ´Ïó¶Ôcol1×öС¼Æºó£¬ÔÙ¶Ôcol2×öС¼Æ£¬×îºóËã×Ü¼Æ 43
4 ¸´ºÏrollup±í´ïʽ 43
5 »ìºÏrollup,cube±í´ïʽ 43
8 GROUPING(expr)º¯Êý£¬²é¿´selectÓï¾äÖÖÒÔºÎ×ֶξۺϣ¬ÆäȡֵΪ0»ò1 43
9 grouping sets²Ù×÷£¬¶Ôgroup by½á¹û¼¯ÏȶÔcol1ÇóºÍ£¬ÔÙ¶Ôcol2ÇóºÍ£¬×îºó½«Æä½á¹û¼¯²¢ÔÚÒ»Æð 43
1 ²é¿´±í¿Õ¼äµÄÃû³Æ¼°´óС
select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_size
from dba_tablespaces t, dba_data_files d
where t.tablespace_name = d.tablespace_name
group by t.tablespace_name;
2 ²é¿´±í¿Õ¼äÎïÀíÎļþµÄÃû³Æ¼°´óС
select tablespace_name, file_id, file_name,
round(bytes/(1024*1024),0) total_space
from dba_data_files
order by tablespace_name;
3 ²é¿´»Ø¹ö¶ÎÃû³Æ¼°´óС
select segment_name, tablespace_name, r.status,
(initial_extent/1024) InitialExtent,(next_extent/1024) NextExtent,
max_extents, v.curext CurExtent
From dba_rollback_segs r, v$rollstat v
Where r.segment_id = v.usn(+)
order by segment_name;
4 ²é¿´¿ØÖÆÎļþ
select name from v$controlfile;
5²é¿´ÈÕÖ¾Îļþ
select member from v$logfile;
6 ²é¿´±í¿Õ¼äµÄʹÓÃÇé¿ö
select sum(bytes)/(1024*1024) as free_space,tablespace_name
from dba_free_space
group by tablespace_name;
SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES FREE,
(B.BYTES*100)/A.BYTES "% USED",(C.BYTES*100)/A.BYTES "% FREE"
FROM SYS.SM$TS_AVAIL A,SYS.SM$TS_USED B,SYS.SM$TS_FREE C
WHERE A.TABLESPACE_NAME=B.TABLESPACE_NAME AND A.TABLESPACE_NAME=C.TABLESPACE_NAME;
7 ²é¿´Êý¾Ý¿â¿â¶ÔÏó
select owner, object_type, status, count(*) count# from all_objects group by owner, object_type, status;
8 ²é¿´Êý¾Ý¿âµÄ°æ±¾¡¡
Select version FROM Product_component_version
Where SUBSTR(PRODUCT,1,6)='Oracle';
9 ²é¿´Êý¾Ý¿âµÄ´´½¨ÈÕÆÚºÍ¹éµµ·½Ê½
Select Created, Log_Mode, Log_Mode From V$Database;
10 ²¶×½ÔËÐкܾõÄSQL
column username format a12
column opname format a16
column progress format a8
select username,sid,opname,
round(sofar*100 / totalwork,0) || '%' as progress,
time_remaining,sql_text
from v$session_longops , v$sql
where time_remaining <> 0
and sql_address = address
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