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  #1 (permalink)  
Registered User
Join Date: Nov 2012
Posts: 1
Join query


Can anyone advice me on the following matter?

I have a database which contains quite a number of tables. If I want to combine all the tables together, would it be possible?

Thanks in advance for ur help & advice.

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  #2 (permalink)  
World Class Flame Warrior
Join Date: Jun 2003
Location: Ohio
Posts: 12,561
You want to denormalize the entire thing? Or are you just thinking of creating a "One True Lookup Table: (OTLT) or Enitity/Attribute/Value (EAV) design.
None of these approaches is recommended.
If it's not practically useful, then it's practically useless.

www.chess.com: "sqlblindman"
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  #3 (permalink)  
SQL Consultant
Join Date: Apr 2002
Location: Toronto, Canada
Posts: 20,000
Originally Posted by chinmei_18 View Post
If I want to combine all the tables together, would it be possible?
yes, but only if the tables hold similar data

then you can do a UNION query on them
rudy.ca | @rudydotca
Buy my SitePoint book: Simply SQL
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