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can anyone tell me about super key????

sqlfunctions
29th Nov 2016, 12:17 PM
Gunjan Garg
Gunjan Garg - avatar
2 Answers
+ 1
AĀ superkeyĀ is a combination of columns that uniquely identifies any row within a relational database management system (RDBMS) table. A candidateĀ keyĀ is a closely related concept where theĀ superkeyĀ is reduced to the minimum number of columns required to uniquely identify each row.
29th Nov 2016, 5:31 PM
Abdelaziz Abubaker
Abdelaziz Abubaker - avatar
0
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13th Jun 2017, 3:17 AM
Nawaj Shareef
Nawaj Shareef - avatar

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