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• How to find duplicate records in MySQL across multiple columns

  

  By sarahkim : 09 November 2009 - 04:57 PM

  We have a MySQL 4 table of authors with separate first name and last name columns. I wanted to get a list of all possible duplicates (authors in the table with the exact same first name and last name...

  Tags:

  • mysql
  • duplicates

  0Votes

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• How to Reduce Duplicate Content Issues

  

  By MaryO : 02 November 2009 - 12:29 PM

  Duplicate content is sub-optimal and can result in a lower ranking. The following excerpt from The Art of SEO can help you identify, diagnose, and cure your duplicate content issues. Duplicate cont...

  Tags:

  • seo
  • optimize
  • search
  • duplicates
  • content

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• How to remove duplicate lines with regular expressions

  

  By StevenLevithan : 30 October 2009 - 08:35 AM

  There is a variety of software (including the Unix command-line utility uniq and Windows PowerShell cmdlet Get-Unique) that can help you remove duplicate lines in a file or ...

  Tags:

  • duplicates
  • regex
  • regular expression
  • .NET
  • java
  • javascript
  • PCRE
  • perl
  • python
  • ruby
  • php

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• How to Avoid Duplicate Entries in a Column with Excel

  

  By CurtFrye : 12 October 2009 - 12:15 PM

  I take inbound calls at a tech-support center, and we track the various callers by recording their phone number in a spreadsheet. The number of different callers is supposedly vital information, and m...

  Tags:

  • excel
  • formula
  • validation
  • duplicates

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