Periodic Script To Enhance Database
Feb 14, 2013I would like to ask as a DBA , if there is any standard scripts available for oracle that we can run weekly which can rebuild indexes, update the statistics or enhance performance?
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Server Utilities :: System Crashed / Dump Database Into PC To Test And Enhance It?
Feb 5, 2013My system crashed .
I have an application on the server .
I have installed oracle 10g .
how I can dump the database into my PC to test it , and enhance it.
Periodic Data For Microbatch Process From Oracle
Sep 7, 2012Background:
A client of us has given us a new requirement to write batch extracts from an operational database. While that per se is not the issue it is the peculiar circumstances that have made it a bit of head ache.
i. The database is an operational system (for telco billing)
ii. THe data from key tables of events etc. has to be replicated to downstream systems like the data warehouse, reporting areas etc. every 15 mins.
iii. Needless to say there are about 50 million records to unload from the table.
iv. The tables are partitioned and tuned for operational purposes.
v. The dba are a bit touchy (surprise!) about persons accessing their db directly for unloads
vi. There is no stand by or replication from this database
So, given the above what would you experts recommend as an option. We had recommended a golden gate based solution however that has is thought of long term solution as it will involve purchases and some POC. Would be grateful if persons can enumerate options, tools, 3rd party options or oracle design solutions .
Security :: Enhance Security Of Windows And Recover Lost / Forgotten Password?
Nov 16, 2010Lost Windows password? Forgot Windows password? Your PC was hacked? Therefore, it is a basic step for every Windows users to enhance the security of Windows password. In the networks, it is found that a number of user's passwords are easy to guess. Only the smallest groups are the most security conscious and select passwords that are mixed lowercase and uppercase letters, numbers and punctuation to create cryptic passwords. Adopting strong password is one of the most effective ways to ensure system security. Here are several methods for you to enhance the security of your passwords in Windows 7/2000/XP/Vista and so on. You'd better remember the methods below unless you want to reset Windows password from time to time.
1. Is random password a great password?
A common myth is that totally random passwords like Ht3&e#L%5d@$B are the best passwords. This is not true. While they may be strong passwords, they are usually difficult to remember, slow to type, and sometimes vulnerable to attacks against the password generating algorithm. It is easy to create passwords that are strong but much easier to remember by using a few simple techniques. For example, consider the password "Luck-73@Better?". This password utilizes uppercase and lowercase letters, two numbers, and three symbols. The password is 15 characters long and can be memorized with very little effort. Moreover, this password can be typed very fast. The portion"Luck" and "Better" alternate between left and right-handed keys on the keyboard, improving speed, decreasing typos, and decreasing the chances of someone being able to discover your password by watching you.
2. Create the long Windows password
Although a password may eventually be discovered through some means, it is possible to create a password that cannot be cracked in any reasonable time. If a password is long enough, it will take so long or require so much processing power to crack it. That is essentially the same as being unbreakable (at least for most hackers).
3. Create the Windows password constantly?
This may be good advice for some high-risk passwords, but it is not the best policy for every user. It is frustrating for a user to have to constantly think of and remember new passwords every 30 days. It may be better to focus on stronger passwords and better user awareness rather than limiting password age. A more realistic time for the common user may be 90-120 days.
4. Write down Windows password in a proper place
Sometimes it is necessary for some users losing and forgetting complex passwords easily to write down them somewhere proper. However, it is important to educate users on how to write down passwords properly. Obviously, a sticky note on the monitor is not a good idea, but storing passwords in a safe or even a locked cabinet may be sufficient.
5. 14 characters is the optimal password length
Each character that you add to your password increases the protection. Your passwords should be 8 or more characters in length; 14 characters or longer is the Optimal Password Length. Many systems also support use of the space bar in passwords, so you can create a phrase made of many words. It is not easier to forget and lose, as well as longer than a simple password, and harder to guess.
6. Try not to use the same Windows password for all accounts
Some users always make the same passwords for every account to make it easy to remember. In that case, when any one of them lost, your other information protected by that password will be in danger as well. It is serious to use different passwords for different systems and accounts.
7. Do not use some common words that other users maybe guess
Most of users prefer to use some common words to remember easily, for example, login name, birth date, driver's license, passport number, pets' name and other words contained their personal information someone knows. In that case, your Windows system will not be safe anymore. Moreover, do remember not to use some words spelled backwards, abbreviations, sequences or repeated characters and adjacent letters, such as, asdfgh, 123456, 888888, abcdef and so on.
You can smoothly use your Windows now because the strong and powerful Windows password is created successfully, Certainly, I believe that many users lost Windows password and forgot Windows password, then you need have to reset Windows password or recover Windows password. It is a big problem for plenty of Windows users that how to reset Windows password. how to recover Windows password and they are puzzled by resetting windows password, for instance, reset Windows 7 password, recover password Windows XP, remove Windows Vista password and other operating systems after they create the password with complex letters, numbers and symbols. However, it is unnecessary to worry and it is said that things will eventually sort themselves out. There are many ways to reset forgotten Windows password, including use windows password reset disk and windows password reset software, like Super Windows Password Reset, a professional windows password reset software which could enable you to logon to Windows smoothly without reinstalling system.
Data Guard :: Apply Patches On Oracle Database With Logical Standby Database?
Apr 22, 2011I got a primary database with a logical standby database running Oracle 11g. I got two client applications, one is the production site pointing to the primary one, another one is just a backup site pointing to the logical one.Things will only be written into the primary database every mid night and client applications can only query the database but not add, update nor delete.And now, I want to apply the latest patch on both of my databases. I am also the DNS administrator, I can make the name server pointing to the backup site instead of the production one.I want to firstly apply the patch on the logical one, and then the physical one.
I found some reference which explains how to apply patches by adopting "Rolling Upgrade Method". however, I want to avoid doing any "switch over" mentioned in the reference because I can make use of name server. Can I just apply patches as the following way?
1)Stop SQL apply
2)Apply patches on logical standby database
3)let the name server point to the backup site
4)Apply patches on the primary database
5)Start SQL apply
6)Let the name server point back to the production site
Data Guard :: Flashback Snapshot Standby Database Or New Primary Database After Failover?
Aug 30, 2013If flashback is enable in physical standby database 1. If we failover at 11AM can I flash back NEW primary database to 6 AM ? 2. if I convert physically standby database to snapshot standby database at 11AM , Can I flashback snapshot standby database to 6 AM and do some works on it (DML operations) then converting the snapshot standby database into physical standby database ?
View 1 Replies View RelatedStreams :: Apply Archivelog / Generated Before Reset-log Of Source Database In Destination Database
Feb 9, 2013Database Version - 10.2.0.4.0
OS - Red Hat Linux
We have configured oracle one way stream between two databases. Source database is capturing the changes (No downstream configured). Configuration was working fine but destination database was lagging behind very much i.e about 15 days behind the source database. We are ok with this but the problem is now that , as per client request we have restored previous backup and open the database with resetlog option in source database. After resetlog , archivelog sequence has been changed and stream is not working.
Can I apply the previous archivelog (before resetlog archivelogs ) in destination database anyway.Source database is a production database.
RMAN :: Clone 2 Node RAC Database To Single Instance Non-RAC Database Using Existing Backup
Jul 25, 2012I tried to clone a 2 node rac database to single instance non rac database using existing backup. I have not used connectivity to target or catalog. rman duplicate finished with below messages:
rman auxiliary sys/******@dbracdup
RMAN> duplicate database to dbrac spfile backup location '/oracle/backup';
...
...
Finished recover at 25-JUL-12
Segmentation fault
And the database was in mount stage, and when i tried to open database it failed with below error:
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-19838: Cannot use this control file to open database .
Retrieve Info From Multiple Databases / Insert Into Central Database Via Database LINKS
Jun 10, 2013I am trying to retrieve info from multiple DBs and insert into a central DB via DB LINKS.The links are retrieved via a cursor.
However I keep coming up against 'PL/SQL: ORA-00942: table or view does not exist'..how to handle db_links using a cursor in a pl/sql block? The code is as follows:
DECLARE
db_link_rec VARCHAR2(30);
CURSOR db_link_cur IS
SELECT DB_LINK
from MESSAGING_PROD_LIST;
BEGIN
OPEN db_link_cur;
LOOP
FETCH db_link_cur INTO db_link_rec;
EXIT when db_link_cur%NOTFOUND;
[code]....
Performance Tuning :: Export SQL Plan From Test Database To Prod Database?
Jul 16, 2013An SQL query is taking a lot of time than usual and not completing even left after hours! The query joins a table with a quite complex view.
The same query in a test database completes in less than 2 mins.
I would like to export the sql plan from test database to prod database.
how to export/import in 10.2.0.4 version for a particular sql statement's execution plan.
Server Administration :: Database Configuration Assistant Not Working / When Create New Database
Mar 26, 2011i am installing oracle database 8.1.7 on dell server power edge 2650 first time database successfully installed but when i want to crate new database by Database Configuration Assistant it is not working for new database creation.
View 1 Replies View RelatedClient Tools :: Connecting Directly To Required Database (not Test Database)
Feb 17, 2012we have a production database 'X'. Now i have created a test database 'T' and did'nt configured another listener to it! The issue is when i cam connecting to oracle through sqlplus i am directly connecting to Test database 'T' but not the production database 'X'----ofcourse i can login to production DB afterwards. but initially i want to access the production database 'X'.
View 15 Replies View RelatedExport/Import/SQL Loader :: Refresh A PROD Database Into TEST Database
Jun 17, 2012I need to refresh a PROD database into TEST database. The PROD and TEST runs on 10g. I need a full refresh. Is there any pre req's which i should keep in mind ?.
View 1 Replies View RelatedData Guard :: Creating Standby Database From Active Database Using RMAN
Dec 21, 2012creating the standby database from Active database using RMAN and getting the below issue after i executed the duplicate command.
Version of Database:11g(11.2.0.1.0)
Operating System:Linux 5
Error:
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 12/21/2012 17:26:52
RMAN-03015: error occurred in stored script Memory Script
RMAN-04006: error from auxiliary database: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
[code]....
provide any work arounds to proceed further in creating the standby database.
Data Guard :: Switch (convert) Primary Database To Standby Database?
Jan 30, 2013I have installed oracle 11g standard edition one and created both primary and standby database. now i want to know how to switch(convert) primary database to standby database.
View 8 Replies View RelatedBackup & Recovery :: RMAN Using Target Database Control File / Separate Catalog Database
Mar 14, 2012How one should know whether RMAN is using target database control file or using separate catalog database. Also what one should do if he dont have catalog users credentials.
View 3 Replies View RelatedRMAN Duplicate Target Database For Standby From Active Database
Aug 23, 2010I have failed to duplicate target db for standby from active db using spfile with the following errors:
RMAN-03009: failure of backup command on prim1 channel at 08/11/2010 05:25:09
ORA-19558: error de-allocating device
ORA-19557: device error, device type: DISK, device name:
ORA-17627: ORA-01041: internal error. hostdef extension doesn't exist
[Code].....
The script has successfully created on standby db all controlfiles and also has copied 2 data files DATA01.DBF and DATA02.DBF into the correct location. Then the errors above kicked in and stopped the rman dup process.
Server Utilities :: Import Table From Another Database By Using Database Link?
Mar 17, 2010i would like to import a table from another database by using database link.
impdp muba/muba tables=FUNCTION_NO directory=testdump NETWORK_LINK=DBLINK1
i created the public database link as system user
it gave error like
Import: Release 10.2.0.1.0 - Production on Wednesday, 17 March, 2010 11:07:02
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Release 10.2.0.1.0 - Production
Starting "MUBA"."SYS_IMPORT_TABLE_01": muba/******** tables=FUNCTION_NO directory=testdump NETWORK_LINK=DBLINK1
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
[code]....
after that i try to import as system user like
impdp system/passwd tables=FUNCTION_NO schemas=muba directory=testdump NETWORK_LINK=DBLINK1
but error like
Import: Release 10.2.0.1.0 - Production on Wednesday, 17 March, 2010 11:27:43
Copyright (c) 2003, 2005, Oracle. All rights reserved.
Connected to: Oracle Database 10g Release 10.2.0.1.0 - Production
UDI-00010: multiple job modes requested, schema and tables.
when i use IMP utility
imp system/passwd file=dump.dmp fromuser=userA touser=userB log=dmplog.log but when i use IMPDP what is the parameter equal to fromuser & touser
Convert Oracle Database (schema Data) To Postgresql Database
Oct 11, 2012i want to convert oracle database(schema data) to postgresql database
which tool would be best and url to download and steps to convert from one database to another ?
Data Guard :: Registering Primary Database To Catalog Database
Oct 9, 2012Here we have a data guard environment with db1(db_unique_name) as primary and db2(db_unique_name) as physical standby database. Also we configured one schema on a third machine as catalog database using following steps. The steps executed in catalog database(appsdb):
SQL> create tablespace rmancatlog_tbs datafile '/u01/app/oracle/oradata/NEW/rman_catalog.dbf' size 500M autoextend off extent management local segment space management auto;
SQL> create user rman identified by oracle
2 default tablespace rmancatlog_tbs
3 quota unlimited on rmancatlog_tbs
4 ;SQL> GRANT connect, resource, recovery_catalog_owner TO rman;
RMAN> create catalog;
recovery catalog created
Added tns entries of catalog database in primary and standby. Then from primary database we tried to register to catalog database. It is showing that it is registering. But every query afterwards in rman is throwing the error. Below are the steps and error:
[oracle@db1 ~]$ rman target sys/oracle catalog rman/oracle@appsdb
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Aug 13 21:39:32 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: NIOS (DBID=1589015669)
connected to recovery catalog database
[code]....
QUOTE V$DATABASE Displays Information About Database From Control File
Feb 8, 2011The documentation for v$database says: QUOTE V$DATABASE displays information about the database from the control file. Is it safe to assume that there will only ever be one row queried from this view?
View 2 Replies View RelatedApplication Express :: Copy Team Development From Database To Another Database?
Feb 11, 2013How can I copy Team Development from database to another database
View 3 Replies View RelatedUpgradation And Migration Of 9i Database On HP-UX OS To 10g Database On Solaris Environment
Dec 29, 2010I am part of a upgradation and migration proj where an Oracle 9i db on a HP-UX OS is going to be upgraded and migrated as 10g db on a solaris OS environment.I am from the application team(Data warehouse team) and we are yet to allocate a specific DBA for taking care of this activity.
We are still in the requirements stage...different requirements and challenges that should be taken care and would occur in the roadmap of this project from a DBA perspective.All your inputs would be very valuable to me.
Create As Many As 100 Database With Upto 100 Users (max) For Each Database As Client
Aug 25, 2010I have CPU based Oracle server license. In this case as per license policies of Oracle I can have unlimited database with unlimited users connecting it.
I need to create as many as 100 database with upto 100 users (max) for each database as client. What is the recommended hardware for this server? CPU/ RAM/Harddisk, recommended chipset on the motherboard (in case of database storage capacity required is not high typically - 20 GB is OK per database - average), redundancy is critical, also Oracle database vault is going to be installed; as security is of prime importance between users of different database. Which specific server models from specific vendors like IBM/ Dell/ HP are good ones for this purpose?
Existing Database (11.2.0.3) Can Be Upgraded As Pluggable Database And Plug It In CDB?
Sep 11, 2013I would like to know about oracle 12c. In 12c, when i read documents,i understood that one container DB(CDB) can contain upto 253 pluggable DB and this pluggable DB(PDB) is similar to our traditional database(pre 12c).
1) whether my existing database (11.2.0.3) can be upgraded as pluggable DB and plugged it in CDB?
2)i read that we can move from local data center model to cloud in this version. Is that mean that once PDB is ready, whether we can plug it in CDB using private cloud or public also possible?
3)If public cloud is possible, are both CDB and PDB accessed through cloud client only?If so, whether our user data that is available under PDB also moved to external place?
Forms :: Use MS Sql Server Database With 6i Without Oracle Database Install
Feb 6, 2010Can we use M.S Sql Server Database with Forms 6i with out oracle database install.
View 1 Replies View RelatedApplication Express :: Database Authentication Via Database Link?
Jun 26, 2013Is it possible to use Database authentication in APEX through database link, and how?Also is it posible to read roles from users through database link?
View 3 Replies View RelatedRMAN :: Error - Register Database With Catalog Database
Mar 4, 2013I have created database with 11.2.0.3 in RHEL 5. I have catalog database(RMAN) with version 10.2.0.1 and 5 databases with different versions(10.2.0.1,10.2.0.3,10.2.0.5) registered with this catalog databases.
Now I want to register the 11.2.0.3 database with catalog (RMAN) database.
Am getting error while I register :
#rman target / catalog=rman/rman@rman
connected to target database: TEST (DBID=12345678)
connected to recovery catalog database
RMAN> register database;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of register command on default channel at 03/04/2013 10:27:12
RMAN-10015: error compiling PL/SQL program
RMAN-10033: error during compilation of job step 1: ORA-04023: Object RMAN.DBMS_RCVCAT could not be validated or authorized
Migrate Data From MySQL Database To 11g Database
Nov 5, 2008I need to migrate data from Mysql database to Oracle11g database.
a) is there any method available to import the all the sqls like table script,constraint scripts,data(insert ) script from Mysql.so that we can apply the sql directly to the oracle schema after making necessary changes(like datatype).
b) Is there any free tool available for the migration.
Migrate MySQL Database Into Oracle Database?
Sep 11, 2003I'm trying to migrate a mySQL database into an Oracle database.
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