MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A_DOMAIN_IS_ATOMIC_IF_ELEMENTS_OF_THE_DOMAIN_ARE_CONSIDERED_TO_BE______________UNITS.?$ |
| A. | Different |
| B. | Indivisbile |
| C. | Constant |
| D. | Divisible |
| Answer» C. Constant | |
| 2. |
The_tuples_of_the_relations_can_be_of__________order.$ |
| A. | Any |
| B. | Same |
| C. | Sorted |
| D. | Constant |
| Answer» B. Same | |
| 3. |
Department (dept name, building, budget) and Employee (employee_id, name, dept name, salary? |
| A. | |
| B. | Attributes of common |
| C. | Tuple of common |
| Answer» D. | |
| 4. |
Course(course_id,sec_id,semester) |
| A. | |
| B. | Relations, Attribute |
| C. | Attributes, Relation |
| Answer» C. Attributes, Relation | |
| 5. |
Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time. |
| A. | Instance, Schema |
| B. | Relation, Schema |
| C. | Relation, Domain |
| D. | Schema, Instance |
| Answer» E. | |
| 6. |
For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute. |
| A. | Domain |
| B. | Relation |
| C. | Set |
| D. | Schema |
| Answer» B. Relation | |
| 7. |
The term attribute refers to a ___________ of a table. |
| A. | Record |
| B. | Column |
| C. | Tuple |
| D. | Key |
| Answer» C. Tuple | |
| 8. |
The term _______ is used to refer to a row. |
| A. | Attribute |
| B. | Tuple |
| C. | Field |
| D. | Instance |
| Answer» C. Field | |
| 9. |
A ________ in a table represents a relationship among a set of values. |
| A. | Column |
| B. | Key |
| C. | Row |
| D. | Entry |
| Answer» D. Entry | |
| 10. |
A relational database consists of a collection of |
| A. | Tables |
| B. | Fields |
| C. | Records |
| D. | Keys |
| Answer» B. Fields | |