Explore topic-wise MCQs in Database.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.

1.

In_a_database,_a_foreign_key_is_?$

A. A data element/attribute within a data field of a data record that is not unique, and cannot be used to distinguish one data record in a database from another data record within a database table
B. A data element/attribute within a data field of a data record within a database table that is a secondary key in another database table
C. A data element/attribute within a data field of a data record within a database table that is a primary key in another database table
D. A data element/attribute within a data field of a data record that enables a database to uniquely distinguish one data record in a database from another data record within a database table
Answer» D. A data element/attribute within a data field of a data record that enables a database to uniquely distinguish one data record in a database from another data record within a database table
2.

A Foreign key is combined with a foreign key create?

A. Parent child relationship between the tables that connect them
B. Many-Many relationship between the tables that connect them
C. Network model between the tables that connect them
D. None of the Mentioned
Answer» B. Many-Many relationship between the tables that connect them