What is alternate key with an example?

Question

All the keys which are not primary key are called an Alternate Key. Example: In this table, StudID, Roll No, Email are qualified to become a primary key. But since StudID is the primary key, Roll No, Email becomes the alternative key. 23 апр. 2022 г.

What is alternate key in Rdbms with example?

A candidate key not selected as a primary key is called alternate or secondary key. Candidate key is an attribute or set of attributes that you can consider as a Primary key. Above, Student_ID, Student_Enroll and Student_Email are the candidate keys.

What do you mean by alternate key explain?

An alternate key (Alt key) is a key that is present on most computer keyboards and is considered a modifier key that can used similarly to the shift or control keys. In other words, the alternate key provides alternate input and operations when pressed in combination with other keys.

Expert · Answer

A candidate key not selected as a primary key is called alternate or secondary key. Candidate key is an attribute or set of attributes that you can consider as a Primary key. Above, Student_ID, Student_Enroll and Student_Email are the candidate keys.

Expert · Answer

An alternate key (Alt key) is a key that is present on most computer keyboards and is considered a modifier key that can used similarly to the shift or control keys. In other words, the alternate key provides alternate input and operations when pressed in combination with other keys.

What is alternate key with an example?

What is alternate key in Rdbms with example?

What do you mean by alternate key explain?

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