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heirarchy between tables [message #653730] Sun, 17 July 2016 12:01 Go to next message
17111991
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Registered: July 2016
Location: karnataka
Junior Member
Hi how to maintain heirarchy between tables.

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Re: heirarchy between tables [message #653732 is a reply to message #653730] Sun, 17 July 2016 12:38 Go to previous message
Michel Cadot
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Registered: March 2007
Location: Saint-Maur, France, https...
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Welcome to the forum.
Please read OraFAQ Forum Guide and How to use [code] tags and make your code easier to read.
Also always post your Oracle version, with 4 decimals, as solution depends on it.

You use PRIMARY KEY/UNIQUE and FOREIGN KEY constraints to define a "hierarchy" of tables.

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