1. Defines the set of shared attributes and behaviors found in each object d. None c. Variable 2. Show the sequence of activities and class relationships c. a. Class b. Data type a. Class diagrams b. Sequence diagrams State chart diagrams d. None 3. Can not be directly instantiated a. Abstract class b. Entity Class c. Control Class d. None

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Multiple Choice Question
1. Defines the set of shared attributes and behaviors found in each object
a. Class
b. Data type
c. Variable
d. None
2. Show the sequence of activities and class relationships
a. Class diagrams
diagrams d. None
b. Sequence diagrams c.
State
chart
3. Can not be directly instantiated
b. Entity Class
a. Abstract class
c. Control Class d. None
4. Information that describes the data
d. None
a. Information b. Metadata
5. unique attribute for the record
a. Primary Key
6. Concern for a human's overall comfort, safety, and health
a. Well done
7. HCI is stand for
a. Human Company interface
C. Human Control interface
8. Types of User Interfaces
a. Natural-language interfaces
C. Web interfaces
c. File
b. Candidate Key
c. Composite Key d. None
b. Well being
c. well human d. None
b. Human Computer interface
d. None
b. Graphical User Interfaces (GUIS)
d. All
True / False
1. Method Overloading: Including the same method (or operation) several
times in a class
Generalization describe as an "has a " relationship
2.
Entities, May be a person, place, or thing
[ ]
3.
4.
Second Normal Form (2 NF) remove repeating group
5.
Psychological attitudes are also important
6.
All systems require feedback to monitor and change behavior
Denormalization is the process of taking the logical data model and
transforming
7.
it into an efficient physical model
Transcribed Image Text:Multiple Choice Question 1. Defines the set of shared attributes and behaviors found in each object a. Class b. Data type c. Variable d. None 2. Show the sequence of activities and class relationships a. Class diagrams diagrams d. None b. Sequence diagrams c. State chart 3. Can not be directly instantiated b. Entity Class a. Abstract class c. Control Class d. None 4. Information that describes the data d. None a. Information b. Metadata 5. unique attribute for the record a. Primary Key 6. Concern for a human's overall comfort, safety, and health a. Well done 7. HCI is stand for a. Human Company interface C. Human Control interface 8. Types of User Interfaces a. Natural-language interfaces C. Web interfaces c. File b. Candidate Key c. Composite Key d. None b. Well being c. well human d. None b. Human Computer interface d. None b. Graphical User Interfaces (GUIS) d. All True / False 1. Method Overloading: Including the same method (or operation) several times in a class Generalization describe as an "has a " relationship 2. Entities, May be a person, place, or thing [ ] 3. 4. Second Normal Form (2 NF) remove repeating group 5. Psychological attitudes are also important 6. All systems require feedback to monitor and change behavior Denormalization is the process of taking the logical data model and transforming 7. it into an efficient physical model
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