Database Control in Oracle 10g

hello eveybody
i have got oracle10g installed on windows 2003 machine.i have two instances of oracle and two databases.now from the Database Control i am able to login to the default instance i.e ORCL. now i want to login to the other instance that i have created.can the Database Control connect to multiple instances or dose it connect to only a single instance.
thanx
parth

hi
its possible to connect more than 1 instances at a time..
through URL port....
oracle provide every instances default port
in 10g. default port for oracle enterprise manager is 1561...
u give for second instances 1561
first u check
through cmd> emctl status "databasename"
Mohammadi
Oracle DBA

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Can we rename the database name in oracle 10g

Hi,
Can we rename the database name in oracle 10g.
Please help

Yes as already said, using DBNEWID Utility can renamed the database name.
You can also take a look at the Oracle Metalink Note:429674.1 (Which was written by me) - Subject: How We Used the Oracle DBNEWID Utility to Change the Database Name
Regards,
Sabdar Syed.

Scripts To Check Database Growth in Oracle 10g

Hi All,
I need your help developing a script to find out the database growth in Oracle 10G on daily, weekly and monthly basis.
In our production database tablespace growth is huge and we are adding data files frequently. Management is asking about the database growth report and I need to present it. Is there any such script which will suffice the purpose.
My database version is 10.2.0.5.
Please help.
Regards,
Arijit

1000103 wrote:
Hi All,
I need your help developing a script to find out the database growth in Oracle 10G on daily, weekly and monthly basis.
In our production database tablespace growth is huge and we are adding data files frequently. Management is asking about the database growth report and I need to present it. Is there any such script which will suffice the purpose.
only the report that you create
How do I ask a question on the forums?
SQL and PL/SQL FAQ

What is limit of database size in oracle 10g standard edition/edition one

Hai All,
What is the limit of database size in oracle 10g standard edition and standard edition one.. I see the white paper of oracle says that the limitation is 500 GB. This limitation is correct.? if correct then what happened after the limit..?
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How to Connect to Oracle 9i database server via Oracle 10g XE

I have installed Oracle 10g eXpress Edition and uninstalled Oracle 9i client database. I used Oracle 9i client to connect to another Database server on a local LAN. Is it possible to create a database link to the old Oracle 9i database server via Oracle 10g XE? If yes, do I need to add ODBC drivers?
I want to achieve the following:
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2) Use a similar 9i tool (Enterprise Management Console) within Oracle 10g XE to access Oracle 9i Database tables on a LAN network.
3) Create data access to Oracle 10g XE via some ODBC connection from a C++ runtime application.
Hope to receive help from Oracle professionals.
Thanks.

I have installed Oracle 10g eXpress Edition and
uninstalled Oracle 9i client database. I used OraclePlease clarify - you uninstalled the 9i database or the 9i client.
9i client to connect to another Database server on a
local LAN. Is it possible to create a database link
to the old Oracle 9i database server via Oracle 10g
XE? If yes, do I need to add ODBC drivers?
Database links between Oracle databases do not require ODBC. They do require Oracle Networking (included with both Oracle9i Database and Oracle Database 10g XE) to be configured correctly.
It is also possible to connect ot the 9i database using the 10g Instant Client (separate download)
I want to achieve the following:
1) Create a connection to the Oracle 9i database
server using Ora101040 odbc drivers.Please clarify - what client do you wish to run that needs ODBC?
2) Use a similar 9i tool (Enterprise Management
Console) within Oracle 10g XE to access Oracle 9i
Database tables on a LAN network.XE does not have an equivalent to Oracle Enterprise Manager. XE does come with HTMLdb preinstalled and configured, and HTMLdb provides a subset of the administration capabilities of Enterprise Manager.
3) Create data access to Oracle 10g XE via some ODBC
connection from a C++ runtime application.You can download ODBC drivers from the same location on OTN you downloaded XE. I do not know whether XE includes ODBC drivers. ODBC drivers will usually still require you to configure the Oracle Networking.
There are a number of items that make me believe you do not have a good grasp of Oracle architecture and basics. If true, I encoureage you to start reading the Concepts manual found for the database at http://docs.oracle.com, or at least the O'Reilly book 'Oracle Essentials' found at http://oracle.oreilly.com

Encryptind and decrypting database column in oracle 10g

hi guys...
i am sai sandeep,i got a doubt how to encrypt a database column in oracle 10g..?
i am using a table " emp_uid " ,and strtucture as follows,
create table emp_uid(user_id varchar2(20),pwd varchar2(20));
i need to encrypt a pwd column in the emp_uid.
how to do it..?
thanking u advance.....

Ok, here's a basic example...
SQL> create table myusers (username varchar2(30), password varchar2(40));
Table created.
SQL> create or replace procedure add_user(username in varchar2
2                                      ,password in varchar2) is
3 begin
4    insert into myusers (username, password)
5      values (add_user.username
6             ,dbms_crypto.hash(utl_raw.cast_to_raw(add_user.username||'!'||add_user.password)
7                              ,dbms_crypto.hash_sh1)
8             );
9    commit;
10 end;
11 /
Procedure created.
SQL> exec add_user('Fred','Fr3ddy')
PL/SQL procedure successfully completed.
SQL> select * from myusers
2 /
USERNAME                       PASSWORD
Fred                           E5C975DB4C0A1CF65683E36421A6305F09F4EA9A
SQL> set serverout on;
SQL> create or replace procedure loginuser(username in varchar2
2                                       ,password in varchar2) is
3    v_hash     varchar2(40);
4    v_username varchar2(30);
5 begin
6    v_hash := dbms_crypto.hash(utl_raw.cast_to_raw(loginuser.username||'!'||loginuser.password), dbms_crypto.hash_sh1);
7    select username
8    into   v_username
9    from   myusers
10    where username = loginuser.username
11    and    password = v_hash;
12    dbms_output.put_line('User: '||v_username||' logged in.');
13 exception
14    when no_data_found then
15      dbms_output.put_line('Username/Password is not valid!');
16 end;
17 /
Procedure created.
SQL> exec loginuser('Fred','Freddy');
Username/Password is not valid!
PL/SQL procedure successfully completed.
SQL> exec loginuser('Fred','Fr3ddy');
User: Fred logged in.
PL/SQL procedure successfully completed.
Ideally you would do the hashing of the password inside the client side application so only the Hashed value goes over the network, but the above demonstrates the principle of using hashes to store passwords. Because it's a one way algorithm, only a brute force method can be used to try and determine the original password. There is no way to directly un-hash the value. To check for a valid login, we don't retrieve the password and try to unhash it to compare against what the user has supplied, we actually take what the user has supplied and hash that in the same way and then compare the hashes.
The point of including the username or some other data in the hashing process means that if two users have the same password, they will still have different hash values, so it won't be apparent they are the same passwords. In my example, the point of putting another character between the concatenation of username and password is in case the username and password together would give the same result e.g.
If we had one user "Fred" with password "Fr3ddy" then just concatenating the strings would give "FredFr3ddy".
If we had another user "FredF" and he happened to choose a password "r3ddy" then just concatenating those would also give "FredFr3ddy"
by introducing a known breaking character they would be different e.g. "Fred!Fr3ddy" and "FredF!r3ddy" and hence give different hash values.
That's the basics of how passwords are stored for security.
It would take a lot of processing power and brute force methods just to determine a single password for a single user when using hashing methods of security.
With encryption, a brute force method could be used to find the decryption key, and once found that could be used to decrypt ALL the encyrpted data, hence it is less secure, especially when some clever person will no doubt have written the key down somewhere so they don't forget it. With hashing there's no key to write down.

PUBLIC database account on oracle 10g - what are the default privilages?

Hi there,
I was wondering what are the default privileges to PUBLIC database account on oracle 10g R2. Could somebody explain it? Thank you in advance.

There is not a user PUBLIC. There cannot be a user PUBLIC. Users and roles share the same name space so if there is a role PUBLIC, there can not be a user PUBLIC.
The catalog table user$ contains both roles and users. The usage is determined by the TYPE# column - 1 = user, 0 = role.
select user#, name, type# from user$ order by 1
sys@esdb01:pncl# /
     USER# NAME                               TYPE#
========== ============================== ==========
         0 SYS                                     1
         1 PUBLIC                                  0
         2 CONNECT                                 0
         3 RESOURCE                                0
         4 DBA                                     0
         5 SYSTEM                                  1Try it yourself and see.
SQL> create role foo;
Role created.
SQL> create user foo identified by bar;
create user foo identified by bar
ERROR at line 1:
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SAP database cluster for oracle 10g

Dear Experts,
Can anybody give me some idea on how do SAP database clustering for oracle 10g on two different remote system.
Is there any sapnote for this or any other help document. Is it possible to do on two different remote system.
Please guide me.
Thanks n regards
Bhaskar

Hi Bhaskar,
do you have SDN account, that allow you to access customer available information in SDN?
If yes, please look at the
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/e0b8cd93-f1e9-2910-c186-86bfff3dac63">MSCS Configuration and Support Information for SAP NetWeaver '04 and 7.0</a>
On page 20 you will find some helpful information.
best regards

StandBy database creation in oracle 10g

Respected Sir's
I have to create stand by database in oracle 10g i am working on (Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod) .Plz any body provide steps required for creating stand by database in oracle10g.Both the database db1 and db2 are running on archivelog.I am confuse how to set archivelog parameter that goes to db2(standby database) from db(primary database).Any one provide me steps to properly configuring the stand by database.
Thanks

Respected Sir
These are the detailed steps that i performed on standby and primary database.
On both the systems i install the oracle in E drive and the database i create in G drive and archive destination also in G drive.
Like G:\prod1\(all the datafiles,logfiles and control file).
G:\arch\(all the archive files).
ON PRIMARY DATABASE(IP:192.168.2.14):
1.First i create a database with DBCA and the database SID is prod1.
2.Put the database in archive mode and also enable the force logging.
3.Shutdown the Primary database and modify the following parameters in pfile.
log_archive_dest_1='LOCATION=G:\ARCH'
log_archive_dest_2 = "service=STDBY mandatory reopen=60"
log_archive_dest_state_1 = enable
log_archive_dest_state_2 = enable
log_archive_min_succeed_dest = 2
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5.Shutdown the primary database and take the backup of all the datafile,logfile,standby controlfile ,passwordfile,pfile in a folder.
6.Startup the primary database.
Tnsname.ora Configuration.
Create the connection string using the Net Manager with name STDBY and in host name i provide the IP address of the standby database.
ON STANDBY DATABASE(IP 192.168.2.9):
Listener.ora Configuration.
Create a listener using the Net configuration Assistance.
1.I copy the datafile,logfile and standby controle file in g:\prod1
2.Copy the E:\oracle\product\10.2.0\admin\prod1 folder from primary database and past it on the same location on the standby database.
3.On standby pfile i change only the standby_archive_dest parameter to g:\arch.
4.Create the service with oradim -SID -NEW prod1 -STARTMODE manuall
5.Start the standby database in nomount mode.
6.Create the spfile from pfile and shutdown the database.
7.Startup the database in nomount mode using spfile.
8.ALTER DATABASE MOUNT STANDBY DATABASE;
These are the occurs when i use tnsping stdby on primary database.
C:\Documents and Settings\Administrator>TNSPING STDBY
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 04-FEB-2009 12:03:55
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
E:\oracle\product\10.2.0\db_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.9
NECT_DATA = (SERVICE_NAME = prod1)))
OK (20 msec)
sqlnet.ora file on stand by database.
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, LDAP)
BEQUEATH_DETACH=yes
AUTOMATIC_IPC = ON
NAMES.DEFAULT_DOMAIN = IDEVELOPMENT.INFO
SQLNET.EXPIRE_TIME=2
This occurs when i use tnsping prod1 on standby database.
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 04-FEB-2
009 12:01:40
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
E:\oracle\product\10.2.0\db_1\network\admin\sqlnet.ora
TNS-03505: Failed to resolve name
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SQL SSRS 2008 DateTime Calendar Control and Oracle 10g Data Source

Hello. I am creating reports in SSRS 2008 using the calendar control for a date range. Let's say we select a start date of 3/3/2012. This parameter is sent into my SQL statement in the WHERE clause which is executed against an Oracle 10g database. All syntax has to be in SQL that Oracle understands, so no CONVERT or CAST.
The format of the date is throwing an error "ORA-01843: not a valid month" when I try to use the following:
SELECT *
FROM TABLE
WHERE STARTDATE >= TO_DATE('3/03/2012', 'MM/DD/YYYY')
I get ORA-01722: invalid number when I try the following:
SELECT *
FROM TABLE
WHERE STARTDATE >= >= TO_CHAR('3/03/2012', 'MM/DD/YYYY')
I cannot find a way to format the date parameter in SQL Server SSRS before it gets to the SQL to be executed in Oracle.
Please help.
Thanks,
Sunny

920616 wrote:
sb92075: I am showing you how Oracle renders the date if I do a simple select from the table from which I am trying to pull data. You are right, it sure doesn't prove anything other than how the date looks right out of the Oracle database, but hopefully, it will give a clue as to how I need my SSRS date parameter to work.
Hans Forbrich:
I get ORA-01722: invalid number when I try the following:
SELECT *
FROM TABLE
WHERE STARTDATE >= TO_CHAR('3/03/2012', 'MM/DD/YYYY')
Solomon:
It works. The problem is getting the parameter '3/3/2012' into a usable format for Oracle.
Let's assume an application is sending in '3/3/2012' which will be used in an Oracle query (no PL/SQL allowed, nor can I create functions, stored procedures, etc - only straight up SQL). How can I prepare the parameter to successfully do the compare on the Oracle Date field?
12:50:23 SQL> select TO_CHAR('03/03/2012', 'MM/DD/YYYY') from dual;
select TO_CHAR('03/03/2012', 'MM/DD/YYYY') from dual
ERROR at line 1:
ORA-01722: invalid number
12:51:00 SQL> ed
Wrote file afiedt.buf
1* select TO_DATE('03/03/2012', 'MM/DD/YYYY') from dual
12:51:20 SQL> /
TO_DATE('03/03/2012
2012-03-03 00:00:00

I can not access to "Database Control - Sid_Name" in 10g

Hi there.
I have installed "Oracle Database 10g" (10.2.0.1) in Windows 2000 Advance Server SP4.
All was Ok, and then I've created a new instance called "BDGPC".
Then, in "start menu" -> "Oracle" I can see "Database Control - BDGPC".
It goes to http:/myIP:1158/em/ but when it open the browser, it shows nothing, a absolutly blank page. It dont shows any error message. Only white page.
I have other Oracle 10g in other server, and it runs. But I didnt installed these Oracle.
So, I installed the "Database" from CD called "Oracle Database 10g". I need install another thing to run Database control?
Why I see a blank page when I launch Database Control?
Thanks in advance!

Well, firstly the output was similar that "ORACLE_SID is not defined".
So I set ORACLE_SID=mySID.
Then I think it runs but I must enter in http://myIP:1158/em/console/
Dont run http://myIP:1158/em/
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In adiction, when I logon in "Database Control" throught Firefox, first times then it shows "404 not found". But when I tried it again it seems thats runs.
Thanks again.

Problem while recreating control file : Oracle 10g

Hi,
I am using oracle 10g version of database. i have multiple databases. I was not able to start one database which led to control file error. Then I found that the file got corrupted. I used the following syntax to restore my control file.
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "mydb" NORESETLOGS NOARCHIVELOG
MAXLOGFILES 32
MAXLOGMEMBERS 2
MAXDATAFILES 30
MAXINSTANCES 8
MAXLOGHISTORY 800
LOGFILE
GROUP 1 'redolog location' SIZE 500K
DATAFILE
'datafilelocation.dbf'
but it failed with the following error.
ERROR at line 1:
ORA-01503: CREATE CONTROLFILE failed
ORA-01115: IO error reading block from file (block # 1)
ORA-01110: data file : 'datafilelocation.dbf'
ORA-27091: unable to queue I/O
ORA-27070: async read/write failed
OSD-04006: ReadFile() failure, unable to read from file
O/S-Error: (OS 23) Data error (cyclic redundancy check).
Does this mean the datafiles are also corrupted? if yes, please do let me know how i can restore my datafiles. my system is of windows XP 2002.
thanks,
Haripriya

Hi,
thanks for all your replies. But I am using the full path for the log and for the datafiles. Just didnt want to reveal that before. Anyway below is the complete path that i was using.
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "ACMDB" NORESETLOGS NOARCHIVELOG
MAXLOGFILES 32
MAXLOGMEMBERS 2
MAXDATAFILES 30
MAXINSTANCES 8
MAXLOGHISTORY 800
LOGFILE
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GROUP 2 'D:\ORACLE\PRODUCT\10.1.0\ORADATA\ACMDB\REDO02.LOG' SIZE 500K,
GROUP 2 'D:\ORACLE\PRODUCT\10.1.0\ORADATA\ACMDB\REDO03.LOG' SIZE 500K
DATAFILE
'D:/oracle/product/10.1.0/oradata/acmdb/SYSAUX01.dbf',
'D:/oracle/product/10.1.0/oradata/acmdb/SYSTEM01.dbf',
'D:/oracle/product/10.1.0/oradata/acmdb/TEMP01.dbf',
'D:/oracle/product/10.1.0/oradata/acmdb/UNDOTBS01.dbf',
'D:/oracle/product/10.1.0/oradata/acmdb/USERS01.dbf'
It is stull failing. I was not able to open the datafiles also. Looks like those are also very much corrupted. Does this mean my DB is crashed? Is there any way that I can correct the below error or only reinstallation would solve the issue. I do have all the database dump though. Please suggest me with the solution. I would like to make the reinstall as the last option.
ERROR at line 1:
ORA-01503: CREATE CONTROLFILE failed
ORA-01115: IO error reading block from file (block # 1)
ORA-01110: data file : 'D:/oracle/product/10.1.0/oradata/acmdb/SYSTEM01.dbf'
ORA-27091: unable to queue I/O
ORA-27070: async read/write failed
OSD-04006: ReadFile() failure, unable to read from file
O/S-Error: (OS 23) Data error (cyclic redundancy check).
Thanks,
Haripriya

Database migrated from Oracle 10g to 11g Discoverer report performance issu

Hi All,
We are now getting issue in Discoverer Report performance as the report is keep on running when database got upgrade from 10g to 11g.
In database 10g the report is working fine but the same report is not working fine in 11g.
The query i have changed as I have passed the date format TO_CHAR("DD-MON-YYYY" and removed the NVL & TRUNC function from the existing query.
The report is now working fine in Database 11g backhand but when I am using the same query in Discoverer it is not working and report is keep on running.
Please advise.
Regards,

Pl post exact OS, database and Discoverer versions. After the upgrade, have statistics been updated ? Have you traced the Discoverer query to determine where the performance issue is ?
How To Find Oracle Discoverer Diagnostic and Tracing Guides [ID 290658.1]
How To Enable SQL Tracing For Discoverer Sessions [ID 133055.1]
Discoverer 11g: Performance degradation after Upgrade to Database 11g [ID 1514929.1]
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How can i create a new database instance in oracle 10g express edition?

hello everybody
i'm a student
i am developing a database application
i'm using oracle 10g express edition
to run my application i need to create another database instance
but i didn't find any option for doing so in that product
if there is pls tell me where it is?
if not pls tell me how to manually create it?
regards,
Chaitanya

Chaitanya Babu M wrote:
yaa i'm sure about that .
i want one more instance of database.Can you perhaps explain why? I have a fair share of production and development servers - and not a single one of them needs to run more than one database instance.
So I'm interested in what requirement you are trying to satisfy by using two database instances on a single platform.
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PS. even with a different SID, only a single XE instance can be run at a time - you can however have 2 different ones defined and then use one at a time (e.g. testing international settings, init param differences, etc.)

Can not open database control in oracle 11g r2, listener issues

Hi,
I installed Oracle 11g r2 database on my laptop for testing. at beginning everything was fine and working. 2 days later i am unable to run oracle database control.. i get page not found!
I tried all the tricks and read almost 200 pages from oracle documentation, none of this was even close to help!
(by the way oracle documentation is a fail in my opinion, it really tend to complicate things so much and talk about things not related to what a developer want to read about, its even hard for professional programmer to keep up with this, I started to hate dealing with Oracle before even going deep!!)
I tried deleting database and creating new database i get the following warning:
- Enterprise manager configuration failed due to the following error:
listener is not up or database service is not registered with it. start listener and register database service.. etc.
Some how after few hours the control is working but the database is not there, and it shows that the listener is up, but database is down.
I tried creating a new database, but i get the error above (it seems its created but not linked to listener!!)
I guess what triggered this error is running xampp, i was also working in php project and ran xampp for test, since then oracle is corrupted!
any help would be appreciated (please don't send me links to oracle documentation because its useless and not straight to the point)
Regards

Hi
thank you for the reply
I assume i should do this through SQL plus?
anyway, now am getting new error: ORA-00020: maximum number of processes (150) exceeded
I get this error when trying to login to SQL plus, or create/configure database.
I tried deleting oracle 11g via universal installer i get message saying run the command c:\...dbhome_1\deinstall\deinstall
I don't understand Oracle totally collapsed in my laptop with no reason

Database Control in Oracle 10g

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