正在看的ORACLE教程是:Oracle常用命令大全集。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:/oracle/oradb/log’);

c. sql execute
dbms_logmnr_add_logfile(‘c:/oracle/oradata/oradb/redo01.log’,

sql dbms_logmnr.new);

d. sql execute
dbms_logmnr.add_logfile(‘c:/oracle/oradata/oradb/redo02.log’,

sql dbms_logmnr.addfile);

e. sql execute
dbms_logmnr.start_logmnr(dictfilename=’c:/oracle/oradb/log/oradb.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:表空间管理

1.create tablespaces

sql create tablespace tablespace_name datafile
‘c:/oracle/oradata/file1.dbf’ size 100m,

sql ‘c:/oracle/oradata/file2.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:/oracle/oradata/user_data01.dbf’

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

3.temporary tablespace

sql create temporary tablespace temp tempfile
‘c:/oracle/oradata/temp01.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;

&nbs

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正在看的ORACLE教程是:Oracle常用命令大全集。p; 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:/oracle/oradata/app_data01.dbf’size 200m

sql autoextend on next 10m maxsize 500m;

9.change the size fo data files manually

sql alter database datafile ‘c:/oracle/oradata/app_data.dbf’resize
200m;

10.Moving data files: alter tablespace

sql alter tablespace app_data rename datafile
‘c:/oracle/oradata/app_data.dbf’

sql to ‘c:/oracle/app_data.dbf’;

11.moving data files:alter database

sql alter database rename file ‘c:/oracle/oradata/app_data.dbf’

sql to ‘c:/oracle/app_data.dbf’; [NextPage]

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

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正在看的ORACLE教程是:Oracle常用命令大全集。

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:约束

1.define constraints as immediate or deferred

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

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

  1. sql drop table table_name cascade constraints

sql drop tablespace tablespace_name including contents cascade
constraints

  1. 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数据

1.loading data using direct_load insert

sql insert /*+append */ into emp nologging

sql select * from emp_old;

2.parallel direct-load insert

sql alter session enable parallel dml;

sql insert /*+parallel(emp,2) */ 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

[1][2][3][4][5][6][7]

正在看的ORACLE教程是:Oracle常用命令大全集。

3.transporting a tablespace

sqlalter 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 为true 是, 表示自包含 [NextPage]

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

sqlpassword_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;

  1. view = resource_cost : alter resource cost

dba_Users,dba_profiles

  1. 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];

  1. 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.s

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正在看的ORACLE教程是:Oracle常用命令大全集。ysdba 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$

  1. 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;

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正在看的ORACLE教程是:Oracle常用命令大全集。> 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

  1. Rman need set dbwr_IO_slaves or backup_tape_IO_slaves and
    large_pool_size

  2. 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:/backup/user.dbf c:/oradata/user.dbf

startup mount

recover datafile ‘c:/oradata/user.dbf;

alter database open;

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

copy c:/backup/user.dbf c:/oradata/user.dbf (alter tablespace offline)

recover datafile ‘c:/oradata/user.dbf’ or

recover tablespace user_data;

alter database datafile ‘c:/oradata/user.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:/oradata/user.dbf’ offline;

alter database open

copy c:/backup/user.dbf d:/oradata/user.dbf

alter database rename file ‘c:/oradata/user.dbf’to ‘d:/oradata/user.dbf’

recover datafile ‘e:/oradata/user.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:/oradata/user.dbf’as
‘c:/oradata/user.dbf”

recover tablespace user_data;

alter tablespace user_data online

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正在看的ORACLE教程是:Oracle常用命令大全集。 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:/oradata/redo03.log’size 1000k;

alter database drop logfile group 1;

alter database open;

or cp c:/oradata/redo02.log’ c:/oradata/redo01.log

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