diff --git a/sources/tech/20141204 How To Delete Oracle 11g Database Manually.md b/sources/tech/20141204 How To Delete Oracle 11g Database Manually.md
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+How To Delete Oracle 11g Database Manually ? 
+================================================================================
+The following steps shows how to manually delete a database within Oracle 11g, running in an Linux environment.
+
+I have Centos 6 system with Oralce 11G installed.
+
+Use SQL*Plus or your favorite SQL command line tool to log in to the target database; log in as **sysdba**
+
+Type the following commands to get the path to various files:
+
+    select name from v$datafile;
+    select member from v$logfile;
+    select name from v$controlfile;
+    select name from v$tempfile;
+
+**Shut down the database within SQL*Plus, and then exit out of SQL*Plus**
+
+    sqlplus  " / as sysdba'
+
+----------
+
+    shutdown immediate;
+    quit;
+
+**Stop the listener service by issuing the following command in the terminal prompt:**
+
+From Oralce Linux account do:
+
+   lsnrctl stop
+
+Recall the file paths found earlier; use them as a check list as you delete each one of those files. Reminder: did you back up your database yet? When ready, go ahead delete your data files, redo log files, control files, and temp files.
+
+- Go to the **$ORACLE_HOME/network/admin** directory and delete the **tnsnames.ora** and **listener.ora** files;
+- Go to the **$ORACLE_HOME/dbs** directory and delete the **init[db_name].ora**, **orapw[db_name]**, and **spfile[db_name].ora** files;
+- Go to the **$ORACLE_HOME/admin/[db_name]/pfile** directory and delete the **init[db_name].ora** file;
+- Go to the **$ORACLE_HOME/admin/[db_name]/adump** directory and delete all files in that directory;
+- Edit the file **/etc/oratab** by removing the line that starts with your database name.
+
+Done.
+
+--------------------------------------------------------------------------------
+
+via: http://www.unixmen.com/manually-delete-oracle-11g-database/
+
+作者：[M.el Khamlichi][a]
+译者：[译者ID](https://github.com/译者ID)
+校对：[校对者ID](https://github.com/校对者ID)
+
+本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
+
+[a]:http://www.unixmen.com/author/pirat9/
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diff --git a/sources/tech/20141204 How To Drop Database In Oracle 11 Without Using DBCA.md b/sources/tech/20141204 How To Drop Database In Oracle 11 Without Using DBCA.md
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+How To Drop Database In Oracle 11 Without Using DBCA
+================================================================================
+In this small tutorial, I want to show you how to drop the database without using the GUI tool DBCA
+
+#### 1- Export database SID if not yet Already defined ####
+
+    export ORACLE_SID=database
+
+#### 2- Connect as sysdba  ####
+
+    [oracle@Oracle11 ~]$ sqlplus / as sysdba
+
+----------
+
+    SQL*Plus: Release 11.2.0.1.0 Production on Mon Dec 1 17:38:02 2014
+
+----------
+
+    Copyright (c) 1982, 2009, Oracle. All rights reserved.
+
+----------
+
+    Connected to an idle instance.
+
+#### 3- Start The database ####
+
+    SQL> startup
+    ORACLE instance started.
+    Total System Global Area 3340451840 bytes
+    Fixed Size 2217952 bytes
+    Variable Size 1828718624 bytes
+    Database Buffers 1493172224 bytes
+    Redo Buffers 16343040 bytes
+    Database mounted.
+    Database opened.
+
+#### 4- Shutdown the database  ####
+
+    SQL> shutdown immediate;
+    Database closed.
+    Database dismounted.
+    ORACLE instance shut down.
+
+#### 5- Start in Exclusive mode  ####
+
+    SQL> startup mount exclusive restrict
+    ORACLE instance started.
+
+----------
+
+    Total System Global Area 3340451840 bytes
+    Fixed Size 2217952 bytes
+    Variable Size 1828718624 bytes
+    Database Buffers 1493172224 bytes
+    Redo Buffers 16343040 bytes
+    Database mounted.
+
+#### 6- Drop the database ####
+
+    SQL> drop database;
+
+----------
+
+    Database dropped.
+
+----------
+
+    Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
+    With the Partitioning, OLAP, Data Mining and Real Application Testing options
+SQL>
+
+Cheers!
+
+--------------------------------------------------------------------------------
+
+via: http://www.unixmen.com/drop-database-oracle-11-without-using-dcba/
+
+作者：[M.el Khamlichi][a]
+译者：[译者ID](https://github.com/译者ID)
+校对：[校对者ID](https://github.com/校对者ID)
+
+本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
+
+[a]:http://www.unixmen.com/author/pirat9/
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