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your both scripts worked excellent... 
appropriated your kind and help... 
 
small correction in the second script.. 
 
set BackupName=DB_BK\PRI_AUTH_DB_BAK_ (Not work) 
 
set BackupName=PRI_AUTH_DB_BAK_ &nbsp;(Worked)
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Hi experts.. 
 
I running the below script everyday using task scheduler to backup the database locally , and save along with the current date and time. 
I need your help how to enhance little bit to rotate the backup copy, keep the latest copy and delete the previous copies. 
 
set PGPASSWORD=password123 
@echo off 
set datetime=%date:~-4%_%date:~-7,2%_%date:~-10,2%_%time:~0,2%_%time:~3,2%_%time:~6,2% 
echo %datetime% 
&quot;D:\Program Files\VASCO\PostgreSQL\bin\pg_dump&quot; -f &quot;D:\Program Files\VASCO\IAS-Backup\DB_BK\PRI_AUTH_DB_BAK_%datetime%.bak&quot; -Fc -Z9 -U username -v databaseinstance 
 
 
please help me.
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Hi experts..

I running the below script everyday using task scheduler to backup the database locally , and save along with the current date and time.
I need your help how to enhance little bit to rotate the backup copy, keep the latest copy and delete the previous copies.

set PGPASSWORD=password123
@echo off
set datetime=%date:~-4%_%date:~-7,2%_%date:~-10,2%_%time:~0,2%_%time:~3,2%_%time:~6,2%
echo %datetime%
"D:\Program Files\VASCO\PostgreSQL\bin\pg_dump" -f "D:\Program Files\VASCO\IAS-Backup\DB_BK\PRI_AUTH_DB_BAK_%datetime%.bak" -Fc -Z9 -U username -v databaseinstance


please help me.

vbscript, scripts, postgresql,batch file, automate, windows 2008

A scripting language is a programming language that supports scripts, programs written for a special run-time environment that automate the execution of tasks that could alternatively be executed one-by-one by a human operator. Scripting languages are often interpreted (rather than compiled). Primitives are usually the elementary tasks or API calls, and the language allows them to be combined into more complex programs. Environments that can be automated through scripting include software applications, web pages within a web browser, the shells of operating systems (OS), embedded systems, as well as numerous games. A scripting language can be viewed as a domain-specific language for a particular environment; in the case of scripting an application, this is also known as an extension language.

Scripting Languages

VBScript (Visual Basic Scripting Edition) is an interpreted scripting language developed by Microsoft that is modeled on Visual Basic, but with some important differences. VBScript is commonly used for automating administrative and other tasks in Windows operating systems (by means of the Windows Script Host) and for server-side scripting in ASP web applications. It is also used for client-side scripting in Internet Explorer, specifically in intranet web applications.

VB Script

PostgreSQL is an object-relational database management system with an emphasis on extensibility and standards-compliance. As a database server, its primary function is to store data securely, supporting best practices, and to allow for retrieval at the request of other software applications. PostgreSQL implements the majority of the SQL2011 standard, is ACID-compliant and transactional using multiversion concurrency control (MVCC), and handles complex SQL queries using many indexing methods that are not available in other databases. It is cross-platform and runs on many operating systems including Linux, FreeBSD, OS X, Solaris, and Microsoft Windows.