COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A field of one table which is also a the primary key of another table
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Primary Key
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Relational database
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Data normalisation
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Foreign Key
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Explanation:
Detailed explanation-1: -A FOREIGN KEY is a field (or collection of fields) in one table, that refers to the PRIMARY KEY in another table. The table with the foreign key is called the child table, and the table with the primary key is called the referenced or parent table.
Detailed explanation-2: -Answer: A primary key of another table is called a foreign key.
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