Software Programming : Database Management QUESTIONS AND ANSWERS :: part17 : 6 to 10
Following Software Programming language Entrance Multiple choice objective type questions and answers will help you in Software Programming 2024 examinations :
6.A null value is created or represented by |
| A zero |
| A space |
| Entering a value |
| Pressing the ESC key |
| Pressing the Enter key without making a prior entry of any kind. |
7.Which of the following is not correct? |
| Each entity must include some descriptive information |
| If an object only requires an identifier, it should be classified as an attribute |
| Each multivalued attribute should be classified as an entity even if it does not have any descriptive information |
| The procedure of identifying entities and attaching attributes always leads to a unique solution |
| Every entity is a collection of attributes. |
8.A ________ attribute is an attribute that can be further subdivided to yield additional attributes. |
| Composite |
| Simple |
| Single-valued |
| Multi-valued |
| Derived. |
9.A relationship between the instances of a single entity type is called a _____ relationship. |
| Ternary |
| Primary |
| Binary |
| Auxiliary |
| Unary. |
10.An entity type whose existence depends on another entity type is called a _____ entity. |
| Strong |
| Weak |
| Codependent |
| Variant |
| Independent. |
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