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When designing a database table, how do you avoid missing column values for non-primary key columns?
Database developer interview questions
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2. When designing a database table, how do you avoid missing column values for non-primary key columns?
2. When designing a database table, how do you avoid missing column values for non-primary key columns?
1. Use UNIQUE constraints
2. Use PRIMARY KEY constraints
3. Use DEFAULT and NOT NULL constraints
4. Use FOREIGN KEY constraints
5. Use SET constraints
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