Secondary Key Examples at Vincent Flora blog

Secondary Key Examples. Look at the example below to understand secondary keys. Secondary key is the key that has not been selected to be the primary key. A field or combination of fields that is basis for retrieval is known as secondary key (mainly used for. All the keys which are not primary keys are called alternate keys. An alternate key, also known as a secondary key or a candidate key, is a key other than the primary key that can be used to uniquely identify a row in a database table. The candidate key other than the primary key is called an alternate key. It is a secondary key. For example, we have schema: In the above table, we can uniquely identify students by their. An alternate key (also known as secondary key) is a column or a combination of columns in a table that can uniquely identify. It is a candidate key that is not selected as primary key. However, it is considered a candidate key for the primary.

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The candidate key other than the primary key is called an alternate key. It is a secondary key. All the keys which are not primary keys are called alternate keys. For example, we have schema: A field or combination of fields that is basis for retrieval is known as secondary key (mainly used for. An alternate key, also known as a secondary key or a candidate key, is a key other than the primary key that can be used to uniquely identify a row in a database table. However, it is considered a candidate key for the primary. In the above table, we can uniquely identify students by their. Look at the example below to understand secondary keys. An alternate key (also known as secondary key) is a column or a combination of columns in a table that can uniquely identify.

PPT Manufacturing Systems IV PowerPoint Presentation, free download

Secondary Key Examples Secondary key is the key that has not been selected to be the primary key. The candidate key other than the primary key is called an alternate key. Look at the example below to understand secondary keys. Secondary key is the key that has not been selected to be the primary key. For example, we have schema: A field or combination of fields that is basis for retrieval is known as secondary key (mainly used for. An alternate key, also known as a secondary key or a candidate key, is a key other than the primary key that can be used to uniquely identify a row in a database table. All the keys which are not primary keys are called alternate keys. It is a secondary key. However, it is considered a candidate key for the primary. It is a candidate key that is not selected as primary key. In the above table, we can uniquely identify students by their. An alternate key (also known as secondary key) is a column or a combination of columns in a table that can uniquely identify.

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