乡下人产国偷v产偷v自拍,国产午夜片在线观看,婷婷成人亚洲综合国产麻豆,久久综合给合久久狠狠狠9

  • <output id="e9wm2"></output>
    <s id="e9wm2"><nobr id="e9wm2"><ins id="e9wm2"></ins></nobr></s>

    • 分享

      Oracle命令全集

       秀纔 2010-10-09

      第一章:日志管理

      第二章:表空間管理

      第三章:表

      第四章:索引

      第五章:約束

      第六章:LOAD數(shù)據(jù)

      第七章:reorganizing data

      第八章: managing password security and resources

      第九章:Managing users

      第十章:managing privileges

      第十一章: manager role

      第十二章: BACKUP and RECOVERY

       


      Oracle命令全集

       

      第一章:日志管理

      1.forcing log switches

          sql> alter system switch logfile;

          2.forcing checkpoints

          sql> alter system checkpoint;

          3.adding online redo log groups

          sql> alter database add logfile [group 4]

          sql> ('/disk3/log4a.rdo','/disk4/log4b.rdo') size 1m;

          4.adding online redo log members

          sql> alter database add logfile member

          sql> '/disk3/log1b.rdo' to group 1,

          sql> '/disk4/log2b.rdo' to group 2;

          5.changes the name of the online redo logfile

          sql> alter database rename file 'c:/oracle/oradata/oradb/redo01.log'

          sql> to 'c:/oracle/oradata/redo01.log';

          6.drop online redo log groups

          sql> alter database drop logfile group 3;

          7.drop online redo log members

          sql> alter database drop logfile member 'c:/oracle/oradata/redo01.log';

          8.clearing online redo log files

          sql> alter database clear [unarchived] logfile 'c:/oracle/log2a.rdo';

          9.using logminer analyzing redo logfiles

          a. in the init.ora specify utl_file_dir = ' '

          b. sql> execute dbms_logmnr_d.build('oradb.ora','c:oracleoradblog');

          c. sql> execute dbms_logmnr_add_logfile('c:oracleoradataoradbredo01.log',

          sql> dbms_logmnr.new);

          d. sql> execute dbms_logmnr.add_logfile('c:oracleoradataoradbredo02.log',

          sql> dbms_logmnr.addfile);

          e. sql> execute dbms_logmnr.start_logmnr(dictfilename=>'c:oracleoradblogoradb.ora');

          f. sql> select * from v$logmnr_contents(v$logmnr_dictionary,v$logmnr_parameters

          sql> v$logmnr_logs);

          g. sql> execute dbms_logmnr.end_logmnr;

       

       

       

      第二章:表空間管理

          1.create tablespaces

          sql> create tablespace tablespace_name datafile 'c:oracleoradatafile1.dbf' size 100m,

          sql> 'c:oracleoradatafile2.dbf' size 100m minimum extent 550k [logging/nologging]

          sql> default storage (initial 500k next 500k maxextents 500 pctinccease 0)

          sql> [online/offline] [permanent/temporary] [extent_management_clause]

          2.locally managed tablespace

          sql> create tablespace user_data datafile 'c:oracleoradatauser_data01.dbf'

          sql> size 500m extent management local uniform size 10m;

          3.temporary tablespace

          sql> create temporary tablespace temp tempfile 'c:oracleoradatatemp01.dbf'

          sql> size 500m extent management local uniform size 10m;

          4.change the storage setting

          sql> alter tablespace app_data minimum extent 2m;

          sql> alter tablespace app_data default storage(initial 2m next 2m maxextents 999);

          5.taking tablespace offline or online

          sql> alter tablespace app_data offline;

          sql> alter tablespace app_data online;

          6.read_only tablespace

          sql> alter tablespace app_data read only|write;

          7.droping tablespace

          sql> drop tablespace app_data including contents;

          8.enableing automatic extension of data files

          sql> alter tablespace app_data add datafile 'c:oracleoradataapp_data01.dbf'size 200m

          sql> autoextend on next 10m maxsize 500m;

          9.change the size fo data files manually

          sql> alter database datafile 'c:oracleoradataapp_data.dbf'resize 200m;

          10.Moving data files: alter tablespace

          sql> alter tablespace app_data rename datafile 'c:oracleoradataapp_data.dbf'

          sql> to 'c:oracleapp_data.dbf';

          11.moving data files:alter database

          sql> alter database rename file 'c:oracleoradataapp_data.dbf'

          sql> to 'c:oracleapp_data.dbf';

       

       

      第三章:表

          1.create a table

          sql> create table table_name (column datatype,column datatype]....)

          sql> tablespace tablespace_name [pctfree integer] [pctused integer]

          sql> [initrans integer] [maxtrans integer]

          sql> storage(initial 200k next 200k pctincrease 0 maxextents 50)

          sql> [logging|nologging] [cache|nocache]

          2.copy an existing table

          sql> create table table_name [logging|nologging] as subquery

          3.create temporary table

          sql> create global temporary table xay_temp as select * from xay;

          on commit preserve rows/on commit delete rows

          4.pctfree = (average row size - initial row size) *100 /average row size

          pctused = 100-pctfree- (average row size*100/available data space)

          5.change storage and block utilization parameter

          sql> alter table table_name pctfree=30 pctused=50 storage(next 500k

          sql> minextents 2 maxextents 100);

          6.manually allocating extents

          sql> alter table table_name allocate extent(size 500k datafile 'c:/oracle/data.dbf');

          7.move tablespace

          sql> alter table employee move tablespace users;

          8.deallocate of unused space

          sql> alter table table_name deallocate unused [keep integer]

          9.truncate a table

          sql> truncate table table_name;

          10.drop a table

          sql> drop table table_name [cascade constraints];

          11.drop a column

          sql> alter table table_name drop column comments cascade constraints checkpoint 1000;

          alter table table_name drop columns continue;

          12.mark a column as unused

          sql> alter table table_name set unused column comments cascade constraints;

          alter table table_name drop unused columns checkpoint 1000;

          alter table orders drop columns continue checkpoint 1000

          data_dictionary : dba_unused_col_tabs

       

       

      第四章:索引

          1.creating function-based indexes

          sql> create index summit.item_quantity on summit.item(quantity-quantity_shipped);

          2.create a B-tree index

          sql> create [unique] index index_name on table_name(column,.. asc/desc) tablespace

          sql> tablespace_name [pctfree integer] [initrans integer] [maxtrans integer]

          sql> [logging | nologging] [nosort] storage(initial 200k next 200k pctincrease 0

          sql> maxextents 50);

          3.pctfree(index)=(maximum number of rows-initial number of rows)*100/maximum number of rows

          4.creating reverse key indexes

          sql> create unique index xay_id on xay(a) reverse pctfree 30 storage(initial 200k

          sql> next 200k pctincrease 0 maxextents 50) tablespace indx;

          5.create bitmap index

          sql> create bitmap index xay_id on xay(a) pctfree 30 storage( initial 200k next 200k

          sql> pctincrease 0 maxextents 50) tablespace indx;

          6.change storage parameter of index

          sql> alter index xay_id storage (next 400k maxextents 100);

          7.allocating index space

          sql> alter index xay_id allocate extent(size 200k datafile 'c:/oracle/index.dbf');

          8.alter index xay_id deallocate unused;

       

       

      第五章:約束

          1.define constraints as immediate or deferred

          sql> alter session set constraint[s] = immediate/deferred/default;

          set constraint[s] constraint_name/all immediate/deferred;

          2. sql> drop table table_name cascade constraints

          sql> drop tablespace tablespace_name including contents cascade constraints

          3. define constraints while create a table

          sql> create table xay(id number(7) constraint xay_id primary key deferrable

          sql> using index storage(initial 100k next 100k) tablespace indx);

          primary key/unique/references table(column)/check

          4.enable constraints

          sql> alter table xay enable novalidate constraint xay_id;

          5.enable constraints

          sql> alter table xay enable validate constraint xay_id;

       

       

      第六章:LOAD數(shù)據(jù)

          1.loading data using direct_load insert

          sql> insert into emp nologging

          sql> select * from emp_old;

          2.parallel direct-load insert

          sql> alter session enable parallel dml;

          sql> insert into emp nologging

          sql> select * from emp_old;

          3.using sql*loader

          sql> sqlldr scott/tiger

          sql> control = ulcase6.ctl

          sql> log = ulcase6.log direct=true

       

       

      第七章:reorganizing data

          1.using expoty

          $exp scott/tiger tables(dept,emp) file=c:emp.dmp log=exp.log compress=n direct=y

          2.using import

          $imp scott/tiger tables(dept,emp) file=emp.dmp log=imp.log ignore=y

          3.transporting a tablespace

          sql>alter tablespace sales_ts read only;

          $exp sys/.. file=xay.dmp transport_tablespace=y tablespace=sales_ts

          triggers=n constraints=n

          $copy datafile

          $imp sys/.. file=xay.dmp transport_tablespace=y datafiles=(/disk1/sles01.dbf,/disk2

          /sles02.dbf)

          sql> alter tablespace sales_ts read write;

          4.checking transport set

          sql> DBMS_tts.transport_set_check(ts_list =>'sales_ts' ..,incl_constraints=>true);

          在表transport_set_violations 中查看

          sql> dbms_tts.isselfcontained 為true 是, 表示自包含

       

       

      第八章: managing password security and resources

          1.controlling account lock and password

          sql> alter user juncky identified by oracle account unlock;

          2.user_provided password function

          sql> function_name(userid in varchar2(30),password in varchar2(30),

          old_password in varchar2(30)) return boolean

          3.create a profile : password setting

          sql> create profile grace_5 limit failed_login_attempts 3

          sql> password_lock_time unlimited password_life_time 30

          sql>password_reuse_time 30 password_verify_function verify_function

          sql> password_grace_time 5;

          4.altering a profile

          sql> alter profile default failed_login_attempts 3

          sql> password_life_time 60 password_grace_time 10;

          5.drop a profile

          sql> drop profile grace_5 [cascade];

          6.create a profile : resource limit

          sql> create profile developer_prof limit sessions_per_user 2

          sql> cpu_per_session 10000 idle_time 60 connect_time 480;

          7. view => resource_cost : alter resource cost

          dba_Users,dba_profiles

          8. enable resource limits

          sql> alter system set resource_limit=true;

       

       

      第九章:Managing users

          1.create a user: database authentication

          sql> create user juncky identified by oracle default tablespace users

          sql> temporary tablespace temp quota 10m on data password expire

          sql> [account lock|unlock] [profile profilename|default];

          2.change user quota on tablespace

          sql> alter user juncky quota 0 on users;

          3.drop a user

          sql> drop user juncky [cascade];

          4. monitor user

          view: dba_users , dba_ts_quotas

       

       

      第十章:managing privileges

          1.system privileges: view => system_privilege_map ,dba_sys_privs,session_privs

          2.grant system privilege

          sql> grant create session,create table to managers;

          sql> grant create session to scott with admin option;

          with admin option can grant or revoke privilege from any user or role;

          3.sysdba and sysoper privileges:

          sysoper: startup,shutdown,alter database open|mount,alter database backup controlfile,

          alter tablespace begin/end backup,recover database

          alter database archivelog,restricted session

          sysdba: sysoper privileges with admin option,create database,recover database until

          4.password file members: view:=> v$pwfile_users

          5.O7_dictionary_accessibility =true restriction access to view or tables in other schema

          6.revoke system privilege

          sql> revoke create table from karen;

          sql> revoke create session from scott;

          7.grant object privilege

          sql> grant execute on dbms_pipe to public;

          sql> grant update(first_name,salary) on employee to karen with grant option;

          8.display object privilege : view => dba_tab_privs, dba_col_privs

          9.revoke object privilege

          sql> revoke execute on dbms_pipe from scott [cascade constraints];

          10.audit record view :=> sys.aud$

          11. protecting the audit trail

          sql> audit delete on sys.aud$ by access;

          12.statement auditing

          sql> audit user;

          13.privilege auditing

          sql> audit select any table by summit by access;

          14.schema object auditing

          sql> audit lock on summit.employee by access whenever successful;

          15.view audit option : view=> all_def_audit_opts,dba_stmt_audit_opts,dba_priv_audit_opts,
      dba_obj_audit_opts

          16.view audit result: view=> dba_audit_trail,dba_audit_exists,dba_audit_object,
      dba_audit_session,dba_audit_statement

       

       

       

      第十一章: manager role

          1.create roles

          sql> create role sales_clerk;

          sql> create role hr_clerk identified by bonus;

          sql> create role hr_manager identified externally;

          2.modify role

          sql> alter role sales_clerk identified by commission;

          sql> alter role hr_clerk identified externally;

          sql> alter role hr_manager not identified;

          3.assigning roles

          sql> grant sales_clerk to scott;

          sql> grant hr_clerk to hr_manager;

          sql> grant hr_manager to scott with admin option;

          4.establish default role

          sql> alter user scott default role hr_clerk,sales_clerk;

          sql> alter user scott default role all;

          sql> alter user scott default role all except hr_clerk;

          sql> alter user scott default role none;

          5.enable and disable roles

          sql> set role hr_clerk;

          sql> set role sales_clerk identified by commission;

          sql> set role all except sales_clerk;

          sql> set role none;

          6.remove role from user

          sql> revoke sales_clerk from scott;

          sql> revoke hr_manager from public;

          7.remove role

          sql> drop role hr_manager;

          8.display role information

          view: =>dba_roles,dba_role_privs,role_role_privs,dba_sys_privs,
      role_sys_privs,role_tab_privs,session_roles

       

       

       

      第十二章: BACKUP and RECOVERY

          1. v$sga,v$instance,v$process,v$bgprocess,v$database,v$datafile,v$sgastat

          2. Rman need set dbwr_IO_slaves or backup_tape_IO_slaves and large_pool_size

          3. Monitoring Parallel Rollback

          > v$fast_start_servers , v$fast_start_transactions

          4.perform a closed database backup (noarchivelog)

          > shutdown immediate

          > cp files /backup/

          > startup

          5.restore to a different location

          > connect system/manager as sysdba

          > startup mount

          > alter database rename file '/disk1/../user.dbf'to '/disk2/../user.dbf';

          > alter database open;

          6.recover syntax

          --recover a mounted database

          >recover database;

          >recover datafile '/disk1/data/df2.dbf';

          >alter database recover database;

          --recover an opened database

          >recover tablespace user_data;

          >recover datafile 2;

          >alter database recover datafile 2;

          7.how to apply redo log files automatically

          >set autorecovery on

          >recover automatic datafile 4;

          8.complete recovery:

          --method 1(mounted databae)

          >copy c:backupuser.dbf c:oradatauser.dbf

          >startup mount

          >recover datafile 'c:oradatauser.dbf;

          >alter database open;

          --method 2(opened database,initially opened,not system or rollback datafile)

       

       

      >copy c:backupuser.dbf c:oradatauser.dbf (alter tablespace offline)

          >recover datafile 'c:oradatauser.dbf' or

          >recover tablespace user_data;

          >alter database datafile 'c:oradatauser.dbf' online or

          >alter tablespace user_data online;

          --method 3(opened database,initially closed not system or rollback datafile)

          >startup mount

          >alter database datafile 'c:oradatauser.dbf' offline;

          >alter database open

          >copy c:backupuser.dbf d:oradatauser.dbf

          >alter database rename file 'c:oradatauser.dbf'to 'd:oradatauser.dbf'

          >recover datafile 'e:oradatauser.dbf' or recover tablespace user_data;

          >alter tablespace user_data online;

          --method 4(loss of data file with no backup and have all archive log)

          >alter tablespace user_data offline immediate;

          >alter database create datafile 'd:oradatauser.dbf'as 'c:oradatauser.dbf''

          >recover tablespace user_data;

          >alter tablespace user_data online

          5.perform an open database backup

          > alter tablespace user_data begin backup;

          > copy files /backup/

          > alter database datafile '/c:/../data.dbf' end backup;

          > alter system switch logfile;

          6.backup a control file

          > alter database backup controlfile to 'control1.bkp';

          > alter database backup controlfile to trace;

          7.recovery (noarchivelog mode)

          > shutdown abort

          > cp files

          > startup

          8.recovery of file in backup mode

          >alter database datafile 2 end backup;

          9.clearing redo log file

          >alter database clear unarchived logfile group 1;

          >alter database clear unarchived logfile group 1 unrecoverable datafile;

          10.redo log recovery

          >alter database add logfile group 3 'c:oradataredo03.log'size 1000k;

          >alter database drop logfile group 1;

          >alter database open;

          or >cp c:oradataredo02.log' c:oradataredo01.log

          >alter database clear logfile 'c:oradatalog01.log';

        本站是提供個人知識管理的網(wǎng)絡(luò)存儲空間,所有內(nèi)容均由用戶發(fā)布,不代表本站觀點。請注意甄別內(nèi)容中的聯(lián)系方式、誘導購買等信息,謹防詐騙。如發(fā)現(xiàn)有害或侵權(quán)內(nèi)容,請點擊一鍵舉報。
        轉(zhuǎn)藏 分享 獻花(0

        0條評論

        發(fā)表

        請遵守用戶 評論公約

        類似文章 更多