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Refer Doc:Administrator’s Guide->2 Creating and Configuring an Oracle Database->Creating a Database with the CREATE DATABASE Statement
Step 1: Specify an Instance Identifier (SID)
[oracle@OCM ~]$ export ORACLE_SID=PROD3
Step 2: Ensure That the Required Environment Variables Are Set
[oracle@OCM ~]$ env |grep ORACLE
ORACLE_SID=PROD3
ORACLE_BASE=/u01/app/oracle/product
ORACLE_HOME=/u01/app/oracle/product/11.2.0/dbhome_1
Step 3: Choose a Database Administrator Authentication Method
[oracle@OCM ~]$ cd $ORACLE_HOME/dbs
[oracle@OCM dbs]$ orapwd file=orapwPROD3 password=oracle entries=30
[oracle@OCM dbs]$ ll
total 12
-rw-r--r-- 1 oracle oinstall 2851 May 15 2009 init.ora
-rw-r----- 1 oracle oinstall 5120 Dec 5 07:51 orapwPROD3
Step 4: Create the Initialization Parameter File
[oracle@OCM scripts]$ cat initPROD3.ora
db_name='PROD3'
db_recovery_file_dest=' /u01/app/oracle/product/flash_recovery_area'
db_recovery_file_dest_size=2G
[oracle@OCM product]$ mkdir –p /u01/app/oracle/product/flash_recovery_area
Step 5: (Windows Only) Create an Instance
Step 6: Connect to the Instance
[oracle@OCM scripts]$ sqlplus / as sysdba
Step 7: Create a Server Parameter File
SQL> CREATE SPFILE FROM PFILE;
Step 8: Start the Instance
SQL> startup nomount
ORACLE instance started.
Total System Global Area 217157632 bytes
Fixed Size 2251816 bytes
Variable Size 159384536 bytes
Database Buffers 50331648 bytes
Redo Buffers 5189632 bytes
Step 9: Issue the CREATE DATABASE Statement
[root@OCM ~]# mkdir -p /u01/app/oracle/oradata/PROD3/redo
[root@OCM ~]# mkdir -p /u01/logs/PROD3
[root@OCM ~]# mkdir -p /u02/logs/PROD3
[root@OCM u01]# cat createdb.sql
CREATE DATABASE PROD3
USER SYS IDENTIFIED BY sys_password
USER SYSTEM IDENTIFIED BY system_password
LOGFILE GROUP 1 ('/u01/app/oracle/oradata/PROD3/redo/redo01a.log','/u01/app/oracle/oradata/PROD3/redo/redo01b.log') SIZE 100M BLOCKSIZE 512,
GROUP 2 ('/u01/app/oracle/oradata/PROD3/redo/redo02a.log','/u01/app/oracle/oradata/PROD3/redo/redo02b.log') SIZE 100M BLOCKSIZE 512,
GROUP 3 ('/u01/app/oracle/oradata/PROD3/redo/redo03a.log','/u01/app/oracle/oradata/PROD3/redo/redo03b.log') SIZE 100M BLOCKSIZE 512
MAXLOGFILES 5
MAXLOGMEMBERS 5
MAXLOGHISTORY 1
MAXDATAFILES 100
CHARACTER SET AL32UTF8
NATIONAL CHARACTER SET AL16UTF16
EXTENT MANAGEMENT LOCAL
DATAFILE '/u01/app/oracle/oradata/PROD3/system01.dbf' SIZE 325M REUSE
SYSAUX DATAFILE '/u01/app/oracle/oradata/PROD3/sysaux01.dbf' SIZE 325M REUSE
DEFAULT TABLESPACE users
DATAFILE '/u01/app/oracle/oradata/PROD3/users01.dbf'
SIZE 500M REUSE AUTOEXTEND ON MAXSIZE UNLIMITED
DEFAULT TEMPORARY TABLESPACE tempts1
TEMPFILE '/u01/app/oracle/oradata/PROD3/temp01.dbf'
SIZE 20M REUSE
UNDO TABLESPACE undotbs
DATAFILE '/u01/app/oracle/oradata/PROD3/undotbs01.dbf'
SIZE 200M REUSE AUTOEXTEND ON MAXSIZE UNLIMITED;
SQL> @/u01/createdb.sql
Database created.
Step 10: Create Additional Tablespaces
Step 11: Run Scripts to Build Data Dictionary Views
SQL> @?/rdbms/admin/catalog.sql
SQL> @?/rdbms/admin/catproc.sql
SQL> @?/rdbms/admin/utlrp.sql
Step 12: (Optional) Run Scripts to Install Additional Options
Step 13: Back Up the Database.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.
Total System Global Area 217157632 bytes
Fixed Size 2251816 bytes
Variable Size 159384536 bytes
Database Buffers 50331648 bytes
Redo Buffers 5189632 bytes
Database mounted.
SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
Step 14: (Optional) Enable Automatic Instance Startup
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