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Commit a6573769 authored by Goik Martin's avatar Goik Martin
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New exercise

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ws/eclipse/Sda1PreExam/Exercises/Database/primaryUnique.xhtml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
</head>
<body><h1>Primary Key and UNIQUE.</h1><p>What is the difference between
declaring an attribute as a <code>PRIMARY KEY</code> vs. declaring the same
attribute as <code>UNIQUE</code>?</p></body>
</html>
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