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What are the keys in SQL 2024?

Charlotte Roberts | 2023-05-05 12:03:19 | page views：1504
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Ryan Mitchell

Works at Spotify, Lives in Stockholm, Sweden
A primary key is a field in a table which uniquely identifies each row/record in a database table. Primary keys must contain unique values. A primary key column cannot have NULL values. A table can have only one primary key, which may consist of single or multiple fields.
2023-05-12 12:03:19
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Ethan Ward

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A primary key is a field in a table which uniquely identifies each row/record in a database table. Primary keys must contain unique values. A primary key column cannot have NULL values. A table can have only one primary key, which may consist of single or multiple fields.
SQL Primary Key - TutorialsPoint
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