What is alternate key in artificial intelligence?

What is alternate key in AI?

Alternate Key: All Candidate Keys excluding the Primary Key are known as Alternate Keys.

What is a alternate key?

Alternate keys are those candidate keys which are not the Primary key. There can be only one Primary key for a table. Therefore all the remaining Candidate keys are known as Alternate or Secondary keys.

What is alternate key and candidate key?

Candidate key: A column or a set of columns can be called as candidate key if they identify each row of a table uniquely. A table can have multiple candidate keys. One of them is specified as Primary key and rest of them can be called as alternate key.

What are alternate artificial compound and natural keys?

Alternate Keys: All candidate keys except the primary key are known as alternate keys. Compound Key: It has multiple fields that enable the user to uniquely recognize a specific record. Artificial Key: It is the extra attribute added to the table when there are no stands alone or compounds key is available.