Delete all duplicate records in a table
SQL Scripts
March 24, 2006
Delete all duplicate records in a table


>>Script Language and Platform: Oracle
This script will delete all duplicate records in a table.

Author: Pramod Vasudevan,india



DELETE FROM tablename(say EMP) 

WHERE ROWID NOT IN(SELECT MIN(ROWID) 

FROM tablename(say EMP) 

GROUP BY tablename [columnname](say EMPNO));

Disclaimer: We hope that the information on these script pages is valuable to you. Your use of the information contained in these pages, however, is at your sole risk. All information on these pages is provided "as -is", without any warranty, whether express or implied, of its accuracy, completeness, or fitness for a particular purpose... Disclaimer Continued


Back to Database Journal Home

Close    To Top
  • Prev Article-Database:
  • Next Article-Database:
  • Now: Tutorial for Web and Software Design > Database > MS SQL > Database Content
    Photoshop Tutorial
     

    Special Effect

      3D Effect
      Photoshop Articles
    Programming Tutorial
     

    C/C++ Tutorial

      Visual Basic
      C# Tutorial
    Database Tutorial
     

    MySQL Tutorial

      MS SQL Tutorial
      Oracle Tutorial
    Geek Tutorial
     

    Blogging Tutorial

      RSS Tutorial
      Podcasting Tutorial
    Graphic Design Tutorial
      Coreldraw Tutorial
      Illustrator Tutorial
      3D Tutorials
    Webmaster Articles
     

    Domain Service

      Web Hosting
      Site Promotion
    Java Tutorial/ Articles
     

    Java Servlets

      JavaEE Tutorial
     

    JavaBeans Tutorial

    XML Tutorial/ Articles
     

    XML Style

      AJAX Tutorial
      XML Mobile
    Flash Tutorial/ Articles
     

    Flash Video

      Action Script
      Flash Articles
    OS Tutorial/ Articles
      Linux Tutorial
      Symbian Tutorial
      MacOS Tutorial
    Personal Tech
      Hardware Tutorial
      Software Tutorial
      Online Auction