Datafile creation in Oracle

Hi All,
I am going to create a datafile in Oracle database by using this syntax.
ALTER DATABASE
CREATE DATAFILE 'c:\oracle\oradata\orabase\uwdata03.dbf' SIZE 1G
AS 'UWDATA';
Does the creation of the datafile will hamper the default datafiles of oracle?

user11358816 wrote:
Hi,
I don't know abt.oracle much ,but i need to create datafile for creating a table space.
So for that i need to create a datafile.No you don't that's not how it works.
So for that I am asking about the syntax of it.
ThanksThen the very first thing you'll want to learn is where to find the official documentation.
It would be a good investment in your career to go to tahiti.oracle.com. Drill down to your product and version. There you will find the complete doc library.
Notice the 'search' function at that site.
You should spend a few minutes just getting familiar with what kind of documentation is available there by simply browsing the titles under the "Books" tab.
Open the Reference Manual and spend a few minutes looking through the table of contents to get familiar with what kind of information is available there. Learning where to look things up in the documentation is time well spent on your career.
Do the same with the SQL Reference Manual.
Then set yourself a plan to dig deeper.
- Read the 2-Day DBA Manual
- Read a chapter a day from the Concepts Manual.
- Look in your alert log and find all the non-default initialization parms listed at instance startup. Then read up on each one of them in the Reference Manual. Take a look at your listener.ora, tnsnames.ora, and sqlnet.ora files, then bounce what you see there in the network administrators manual.
- Read the concepts manual again.
Give a man a fish and he eats for a day. Teach a man to fish and he eats for a lifetime.

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Hi,
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Thanks in advance
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Hi,
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doc
http://stanford.edu/dept/itss/docs/oracle/10g/server.101/b10734/wnbradv.htm
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Database creation in oracle 9i

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5 group 2 ('D:\oracle\oradata\mukesh\redo02.log') size 100m,
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after that i add db_name=mukesh below db_name=orcl
SQL> shutdown immediate;
ORA-01507: database not mounted
ORACLE instance shut down.
SQL> startup pfile=D:\oracle\admin\orcl\pfile\init.ora nomount
ORACLE instance started.
Total System Global Area 135338868 bytes
Fixed Size 453492 bytes
Variable Size 109051904 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
SQL> create database mukesh
2 datafile 'D:\oracle\oradata\mukesh\system01.dbf' size 325m
3 logfile
4 group 1 ('D:\oracle\oradata\mukesh\redo01.log') size 100m,
5 group 2 ('D:\oracle\oradata\mukesh\redo02.log') size 100m,
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Hi,
If you getting a problem with DBCA go for manually process:-
I had listed steps which I follow
Step 1: Decide on Your Instance's System Identifier (SID)
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Note:- Name the copied init.ora file init<SID>.ora because this is the default naming convention that the Oracle server looks for when it tries to start up the instance ORACLE_HOME/dbs directory (exists over the prefered path)
Edit this file's parameters so that your database and your instance will run effectively on your system.
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sqlplus '/ as sysdba'
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Logfile
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Character set US7ASCII
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MAXLOGMEMBERS 10
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MAXDATAFILES 500;
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Dear All,
I am getting error messange in my SAP Inbox in t.code SBWP.
In SBWP, the nessage text is as follow.
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972471 wrote:
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To rodenyli:
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Hello Guru's,
I successfully installed Oracle Grid(clusterware) and Oracle RDBMS 11.2.0.1.0 for RAC containing 2 nodes on Linux 5.3 64 bit.
All the clusterware services and ASM instance are running fine on both nodes.
Now im planning to create database manually on node1 (RAC-NODE1).
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export TMP=/tmp
export ORACLE_HOSTNAME=`hostname`
export ORACLE_SID=finance1
export ORACLE_UNQNAME=finance
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db_name='finance'
processes = 200
audit_trail ='db'
db_block_size=8192
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undo_tablespace='UNDOTBS1'
control_files = +CTRL
compatible ='11.2.0'
job_queue_processes = 10
undo_management = 'AUTO'
finance1.instance_name = finance1
db_create_file_dest = +DBFILE
db_create_online_log_dest_1 = +REDO1
db_create_online_log_dest_2 = +REDO2
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4) edit the /etc/oratab file as follows
finance1:/rdbms1/app/oracle/product/11.2.0/db_home:N
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CREATE DATABASE FINANCE
DATAFILE '+DBFILE' SIZE 500M
AUTOEXTEND ON NEXT 50M MAXSIZE UNLIMITED
EXTENT MANAGEMENT LOCAL
SYSAUX DATAFILE '+DBFILE' SIZE 500M
AUTOEXTEND ON NEXT 50M MAXSIZE UNLIMITED
DEFAULT TEMPORARY TABLESPACE TEMP
TEMPFILE '+DBFILE' SIZE 100M AUTOEXTEND ON NEXT 10M MAXSIZE 500M
UNDO TABLESPACE UNDOTBS1
DATAFILE '+DBFILE' SIZE 100M AUTOEXTEND ON NEXT 10M MAXSIZE 500M
DEFAULT TABLESPACE USERDATA
DATAFILE '+DBFILE' SIZE 100M AUTOEXTEND ON NEXT 10M MAXSIZE 500M
LOGFILE
GROUP 1 ('+REDO1','+REDO2') SIZE 20M,
GROUP 2 ('+REDO1','+REDO2') SIZE 20M,
GROUP 3 ('+REDO1','+REDO2') SIZE 20M
MAXINSTANCES 8
MAXLOGHISTORY 300
MAXLOGFILES 64
MAXLOGMEMBERS 5
MAXDATAFILES 150
USER SYS IDENTIFIED BY "sys_123"
USER SYSTEM IDENTIFIED BY "system_123";
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SQL> startup nomount
ORACLE instance started.
Total System Global Area 217157632 bytes
Fixed Size 2211928 bytes
Variable Size 159387560 bytes
Database Buffers 50331648 bytes
Redo Buffers 5226496 bytes
SQL> @rac_db.sql
CREATE DATABASE FINANCE
ERROR at line 1:
ORA-01501: CREATE DATABASE failed
ORA-00200: control file could not be created
ORA-00202: control file: '+CTRL'
ORA-15045: ASM file name '+CTRL' is not in reference form
ORA-17502: ksfdcre:5 Failed to create file +CTRL
ORA-15081: failed to submit an I/O operation to a disk
It shows that oracle unable to create control file on +CTRL diskgroup, i found that there is a problem with permissions on disks in diskgroups.
brw-rw-r-- 1 grid asmadmin 8, 49 Apr 8 04:25 CTRLDISK1
brw-rw-r-- 1 grid asmadmin 8, 50 Apr 8 04:25 CTRLDISK2
brw-rw-r-- 1 grid asmadmin 8, 51 Apr 8 04:25 CTRLDISK3
brw-rw-r-- 1 grid asmadmin 8, 52 Apr 8 04:25 CTRLDISK4
since all the disks in diskgroup has 664 permision and owned by grid user primary group is asmadmin.
# id grid
uid=1001(grid) gid=501(oinstall) groups=501(oinstall),504(asmadmin),505(asmdba),506(asmoper)
# id oracle
uid=1002(oracle) gid=501(oinstall) groups=501(oinstall),502(dba),503(oper),505(asmdba)
please help me to overcome the above problem.
regards,

Thanks for comments,
I successfully created the database, once i restared the database it is unbale to mount because of unbale to open +CTRL group file.
SQL> startup
ORACLE instance started.
Total System Global Area 217157632 bytes
Fixed Size 2211928 bytes
Variable Size 159387560 bytes
Database Buffers 50331648 bytes
Redo Buffers 5226496 bytes
ORA-00205: error in identifying control file, check alert log for more info
alert log:
ORACLE_BASE from environment = /rdbms1/app/oracle/
Thu Apr 11 09:36:34 2013
ALTER DATABASE MOUNT
ORA-00210: cannot open the specified control file
ORA-00202: control file: '+CTRL'
ORA-17503: ksfdopn:2 Failed to open file +CTRL
ORA-15045: ASM file name '+CTRL' is not in reference form
ORA-205 signalled during: ALTER DATABASE MOUNT...
Thu Apr 11 09:36:42 2013
NOTE: initiating MARK startup
raw devices:
# ls -l /dev/sd*
brw-rw-r-- 1 grid asmadmin 8, 16 Apr 11 09:04 /dev/sdb
brw-rw-r-- 1 grid asmadmin 8, 17 Apr 11 09:51 /dev/sdb1
brw-rw-r-- 1 grid asmadmin 8, 18 Apr 11 09:51 /dev/sdb2
brw-rw-r-- 1 grid asmadmin 8, 19 Apr 11 09:51 /dev/sdb3
brw-rw-r-- 1 grid asmadmin 8, 20 Apr 11 09:45 /dev/sdb4
brw-rw-r-- 1 grid asmadmin 8, 32 Apr 11 09:04 /dev/sdc
brw-rw-r-- 1 grid asmadmin 8, 33 Apr 11 09:30 /dev/sdc1
brw-rw-r-- 1 grid asmadmin 8, 34 Apr 11 09:30 /dev/sdc2
brw-rw-r-- 1 grid asmadmin 8, 35 Apr 11 09:30 /dev/sdc3
brw-rw-r-- 1 grid asmadmin 8, 36 Apr 11 09:05 /dev/sdc4
brw-rw-r-- 1 grid asmadmin 8, 48 Apr 11 09:04 /dev/sdd
brw-rw-r-- 1 grid asmadmin 8, 49 Apr 11 09:51 /dev/sdd1
brw-rw-r-- 1 grid asmadmin 8, 50 Apr 11 09:51 /dev/sdd2
brw-rw-r-- 1 grid asmadmin 8, 51 Apr 11 09:51 /dev/sdd3
brw-rw-r-- 1 grid asmadmin 8, 52 Apr 11 09:30 /dev/sdd4
brw-rw-r-- 1 grid asmadmin 8, 64 Apr 11 09:04 /dev/sde
brw-rw-r-- 1 grid asmadmin 8, 65 Apr 11 09:51 /dev/sde1
brw-rw-r-- 1 grid asmadmin 8, 66 Apr 11 09:51 /dev/sde2
brw-rw-r-- 1 grid asmadmin 8, 67 Apr 11 09:51 /dev/sde3
brw-rw-r-- 1 grid asmadmin 8, 68 Apr 11 09:30 /dev/sde4
brw-rw-r-- 1 grid asmadmin 8, 80 Apr 11 09:04 /dev/sdf
brw-rw-r-- 1 grid asmadmin 8, 81 Apr 11 09:51 /dev/sdf1
brw-rw-r-- 1 grid asmadmin 8, 82 Apr 11 09:51 /dev/sdf2
brw-rw-r-- 1 grid asmadmin 8, 83 Apr 11 09:51 /dev/sdf3
brw-rw-r-- 1 grid asmadmin 8, 84 Apr 11 09:30 /dev/sdf4
brw-rw-r-- 1 grid asmadmin 8, 96 Apr 11 09:04 /dev/sdg
brw-rw-r-- 1 grid asmadmin 8, 97 Apr 11 09:51 /dev/sdg1
brw-rw-r-- 1 grid asmadmin 8, 98 Apr 11 09:51 /dev/sdg2
brw-rw-r-- 1 grid asmadmin 8, 99 Apr 11 09:51 /dev/sdg3
brw-rw-r-- 1 grid asmadmin 8, 100 Apr 11 09:30 /dev/sdg4
brw-rw-r-- 1 grid asmadmin 8, 112 Apr 11 09:04 /dev/sdh
brw-rw-r-- 1 grid asmadmin 8, 113 Apr 11 09:51 /dev/sdh1
brw-rw-r-- 1 grid asmadmin 8, 114 Apr 11 09:51 /dev/sdh2
brw-rw-r-- 1 grid asmadmin 8, 115 Apr 11 09:51 /dev/sdh3
brw-rw-r-- 1 grid asmadmin 8, 116 Apr 11 09:30 /dev/sdh4
asm disks:
[09:52 AM [email protected] disks]# ll
brw-rw-r-- 1 grid asmadmin 8, 65 Apr 11 09:05 ARCLOGDISK1
brw-rw-r-- 1 grid asmadmin 8, 66 Apr 11 09:05 ARCLOGDISK2
brw-rw-r-- 1 grid asmadmin 8, 67 Apr 11 09:05 ARCLOGDISK3
brw-rw-r-- 1 grid asmadmin 8, 68 Apr 11 09:05 ARCLOGDISK4
brw-rw-r-- 1 grid asmadmin 8, 49 Apr 11 09:05 CTRLDISK1
brw-rw-r-- 1 grid asmadmin 8, 50 Apr 11 09:05 CTRLDISK2
brw-rw-r-- 1 grid asmadmin 8, 51 Apr 11 09:05 CTRLDISK3
brw-rw-r-- 1 grid asmadmin 8, 52 Apr 11 09:05 CTRLDISK4
brw-rw-r-- 1 grid asmadmin 8, 33 Apr 11 09:05 DBFILEDISK1
brw-rw-r-- 1 grid asmadmin 8, 34 Apr 11 09:05 DBFILEDISK2
brw-rw-r-- 1 grid asmadmin 8, 35 Apr 11 09:05 DBFILEDISK3
brw-rw-r-- 1 grid asmadmin 8, 36 Apr 11 09:05 DBFILEDISK4
brw-rw-r-- 1 grid asmadmin 8, 113 Apr 11 09:05 FRADISK1
brw-rw-r-- 1 grid asmadmin 8, 114 Apr 11 09:05 FRADISK2
brw-rw-r-- 1 grid asmadmin 8, 115 Apr 11 09:05 FRADISK3
brw-rw-r-- 1 grid asmadmin 8, 116 Apr 11 09:05 FRADISK4
brw-rw-r-- 1 grid asmadmin 8, 81 Apr 11 09:05 REDODISK1
brw-rw-r-- 1 grid asmadmin 8, 82 Apr 11 09:05 REDODISK2
brw-rw-r-- 1 grid asmadmin 8, 83 Apr 11 09:05 REDODISK3
brw-rw-r-- 1 grid asmadmin 8, 84 Apr 11 09:05 REDODISK4
brw-rw-r-- 1 grid asmadmin 8, 97 Apr 11 09:05 REDODISK5
brw-rw-r-- 1 grid asmadmin 8, 98 Apr 11 09:05 REDODISK6
brw-rw-r-- 1 grid asmadmin 8, 99 Apr 11 09:05 REDODISK7
brw-rw-r-- 1 grid asmadmin 8, 100 Apr 11 09:05 REDODISK8
brw-rw-r-- 1 grid asmadmin 8, 17 Apr 11 09:05 VOTEDISK1
brw-rw-r-- 1 grid asmadmin 8, 18 Apr 11 09:05 VOTEDISK2
brw-rw-r-- 1 grid asmadmin 8, 19 Apr 11 09:05 VOTEDISK3
brw-rw-r-- 1 grid asmadmin 8, 20 Apr 11 09:05 VOTEDISK4
[09:53 AM [email protected] ~]# ls -l /rdbms1/app/oracle/product/11.2.0/db_home/bin/oracle
-rwsr-s--x 1 oracle asmadmin 210824720 Apr 8 13:39 /rdbms1/app/oracle/product/11.2.0/db_home/bin/oracle
I know this problem is coming for improper assiging of permissions, but i could not pin point. kindly clarify the same.
one more thing i need to know.., whenever i rebooted nodes, both of raw devices and asm disks are come to default permission brw------, i have to change every time to brw-rw-r--. is there any way to make these disks and devices permissions make permenet.
Thanks in advance.

Help! datafile deleted on oracle 9i under redhat linux

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Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
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Hi.. i am using oracle 11.2 version. how can i create my sequence value starts from 1..i am currently getting 2..pls help me..

862189 wrote:
Hi.. i am using oracle 11.2 version. how can i create my sequence value starts from 1..i am currently getting 2..pls help me..I'm going to guess that you're seeing the side effects of deferred segment creation.
This does get mentioned in the reference manual under "create sequence": http://download.oracle.com/docs/cd/E18283_01/server.112/e17118/statements_6015.htm
If this is the case then creating the target table with the "segment creation immediate" should address your problem: http://download.oracle.com/docs/cd/E18283_01/server.112/e17118/statements_7002.htm#i2095331
Regards
Jonathan Lewis

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
4.Mount the primary database and create the standby controle file and create the spfile from the modified pfile.
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
Please help me bec i have to create the stand database as soon as possible.Thanks Sir

DB creation in Oracle 10g XE for Windows

Pls. help, I can't create a new db (CAFE). I already created the init.ora and the db creation script. But everytime I ran the said script in sql it displays this error:
" Error at line 1:
ORA-01501: CREATE DATABASE failed
ORA-01504: database name 'CAFE' does not match parameter db_name 'XE'"
Another thing is that, I can't find the default path of oracle, re: $ORACLE_HOME.

People coming from other systems get confused with terminology,
You might be happy using the XE database and simply creating a new schema. A LOT of people use the term database when they really mean schema.
A schema is simply an Oracle database user that has the privileges to create database objects such as tables and views. An Oracle database can contain any number of schemas. A regular user is then given permission to access objects in the various schemas.

Datafile creation in Oracle

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