Answer :
Answer: StudentID
So, for a database that contains tables with information about students in a university, the best possible Primary key is their StudentID.
What is a Primary Key?
A primary key is one or more columns in a relational database table that uniquely identify each record in the table. The ideal primary key for a table of students, for example, would be their ID number, which would uniquely identify each student in the table.
A primary key will be assigned to each table in a database. The primary goal of defining a primary key is to identify each unique record in the table.
This makes it much easier to find a specific record in any given table. It also makes it much easier to identify a specific record that may share data with other records.
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