Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 711 |
In an RDBMS relationships between tables are created by using
| Alternate keys | |
| Foreign keys | |
| Candidate keys | |
| Composite keys |
Question 711 Explanation:
● A foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table.
● In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table
● In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table
Correct Answer: B
Question 711 Explanation:
● A foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table.
● In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table
● In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table