This document provides instructions for taking a backup and restoring the NGL database using pgAdmin III. It describes how to: 1. Open pgAdmin III and connect to the newgenlib database. 2. Right click on newgenlib and select "backup" to create a backup file with a specified name and location. 3. To restore, open pgAdmin III, connect to the database, delete all tables, and right click newgenlib and select "restore" to select the backup file and restore the database.

1. HOW TO TAKE A BACKUP & RESTORE THE NGL DATABASE
By
Ashok Kumar Satapathy, Asst. Librarian, Dept. Head, Bhubaneswar Institute of Technology,
(BIT), Bhubaneswar, e-mail:ashoksatapathy@yahoo.com, designed on: 30.09.2009.
Go to Start then Programs then PostgreSQL.8.1 and click on pgAdmin III.
Close “tips of the day”. Double click on PostgreSQL Database Server 8.1
(localhost:5432).
Connect to Server, window will appear, please enter the password “newgenlib” then
click on OK
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2. There is a database named as newgenlib as shown below:
Right click on the newgenlib database and refresh.
Again right click on the newgenlib database and click on backup. Enter the file name
(for example ngl30.12.2009). Then select the location to store (for that click on three
dotted button “…”) and click on OK.
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3. The process of backup will take some time (it will depend on the database size) then
click on Done.
The process is end. Take a backup of C:/NewGenLibfiles directory. The literature said
something different, but we can do the backup as well restoration of database as I
have demonstrated.
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4. For restoration backup database:
Go to Start then Programs then PostgreSQL.8.1 and click on pgAdmin III.
Close tips of the day. Double click on PostgreSQL Database Server 8.1
(localhost:5432).
Connect to Server window will appear, please enter the password “newgenlib” then
click on OK
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5. There is a database named as “newgenlib” as shown below:
Right click on the newgenlib database and refresh
Then double click on Schemas, then on public & Tables. Then select all tables, right
click and select Delete/drop or else Drop cascaded. By this process we delete all the
tables from the database.
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6. It looks like the following picture:
Then right click on the “newgenlib” database and click on restore
Please use the “…” three dotted buttons to select the backup file. Here the backup file
name is “ngl30.12.2009”.
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7. Then click on OK and close the window.
The process is over. Start the NewGenLib server and
Go to the Launch newgenlib interface and enter your password and see your database
was restored as below:
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8. Supported Literature
1. How to take a backup of my database?
1. Click on Start -> Programs -> PostgreSQL 8.0 -> pgAdmin III. This will open
pgAdmin III screen.
2. On the left hand side of the screen you will find a tree structure, in which you will find
server Servers, under servers you'll find PostgresSQL Database server server 8.0, with a
right cross mark. Double click on that.
3. The system will prompt for the password. Please enter password there.
4. Once the password is validated successfully, you'll find Databases, and under databases
you'll find a database named newgenlib. If you are unable to find the database named
newgenlib, please contact NewGenLib Customer Support.
5. Now select the database newgenlib, right click and click on refresh. Now again right
click and click on Backup.
6. Now the system will ask for backup file name, enter the backup file name or use can
use the three dotted button beside the file name to use the file dialog to assist you in
creating the file name at the desired location.
7. Now click on Ok button. This operation will take some time. Time taken depends on
the size of the database. Once the backup has been taken, please click on Done button.
8. Now you may verify whether the backup file has been created at the desired location.
9. Please preserve this backup file.
10. Take a backup of C:/NewGenLibFiles directory.
11. Take a backup of all directories mentioned in your
C:/NewGenLibFiles/SystemFiles/Env_var.txt file.
2. How to restore back database?
1. Click on Start -> Programs -> PostgreSQL 8.0 -> pgAdmin III. This will open
pgAdmin III screen.
2. On the left hand side of the screen you will find a tree structure, in which you will find
server Servers, under servers you'll find PostgresSQL Database server server 8.0, with a
right cross mark. Double click on that.
3. The system will prompt for the password. Please enter password there.
4. Once the password is validated successfully, you'll find Databases. Right click on
databases and click on New database. In New database dialog please enter these
parameters mentioned below. Parameters other than mentioned below, should be left as
they are. Name: newgenlib Owner: postgres Tablespace: pg_default And click on the
Ok button
5. Now select the database newgenlib, right click and click on refresh. Now go to
newgenlib->Schemas->public->Tables. You can see there are 4 tables, select each table
right click and select Delete/drop. All the 4 tables should be Deleted.
6. Select newgenlib, right click and click on Restore.
7. Now the system will ask for restore file name, enter the restore file name or use can use
the three dotted button beside the file name to use the file dialog to assist you in
selecting the file name at the desired location. Now click on Ok button.
8. This operation will take some time. Time taken depends on the size of the database.
Once the database restores, please click on Done button.
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