What is alternative key?

Question

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. 4 июн. 2018 г.

What is alternate key give example?

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.

What is alternate key in AI?

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.

How do I get an alternate key?

Within a solution, under the Entity, there is a component called Keys. You simply need to go to this area and click New. Give your alternate key a name and then select the fields that you would like as your alternate key. When you are done, click OK and a System Job will be created to generate your key.

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