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What is a super key in database?

Grace Thompson | 2023-05-05 13:41:57 | page views:1894
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Lucas Martin

Works at Airbnb, Lives in San Francisco.
A superkey is a combination of columns that uniquely identifies any row within a relational database management system (RDBMS) table. A candidate key is a closely related concept where the superkey is reduced to the minimum number of columns required to uniquely identify each row.
2023-05-06 13:41:57

Emily Torres

QuesHub.com delivers expert answers and knowledge to you.
A superkey is a combination of columns that uniquely identifies any row within a relational database management system (RDBMS) table. A candidate key is a closely related concept where the superkey is reduced to the minimum number of columns required to uniquely identify each row.
ask:3,asku:1,askr:137,askz:21,askd:152,RedisW:0askR:3,askD:0 mz:hit,askU:0,askT:0askA:4