Nt2520 Unit 3 Assignment 1 Essay

618 WordsAug 13, 20133 Pages
Unit 3 Assignment 1: Homework Learning Objectives and Outcomes Use the database modeling template in MS Visio. Create entities and add attributes of a database. Define relationship between entities of a database. Create many-to-many relationships with a linking table. Assignment Requirements Answer the following True or False questions on the student answer sheet. Required Resources Textbook Submission Requirements Submit your written answers to your instructor at the beginning of Unit 4. Unit 3 True/False Questions Indicate whether the following statements are true or false on the student answer sheet. 1) The logical design is independent of any database management system. 2) The physical design is the…show more content…
17) A surrogate key is a random or arbitrary key often just numbers incremented. 18) A composite key refers to an entity that has multiple keys. 19) Domain entities are entities that represent the core business elements of the database. 20) A lookup entity can help ensure consistency in data entries. Unit 3 Assignment 1: Student Answer Sheet DATE: ____________________________ STUDENT NAME: ____________________________ COURSE NUMBER: ____________________________ INSTRUCTOR: ____________________________ SCHOOL LOCATION: ____________________________ General Instructions: To answer each question, darken the circle corresponding to your answer using a pencil. If you decide to change your answer, please erase your original answer completely and darken your new answer. Question No. | True | False | 1 | | | 2 | | | 3 | | | 4 | | | 5 | | | 6 | | | 7 | | | 8 | | | 9 | | | 10 | | | 11 | | | 12 | | | 13 | | | 14 | | | 15 | | | 16 | | | 17 | | | 18 | | | 19 | | | 20 | | | Unit 3 Research Assignment 1 Learning Objectives and Outcomes Use the database modeling template in MS Visio. Create entities and add attributes of a database. Define relationship between entities of a database. Create many-to-many relationships with a linking table. Assignment Requirements Use the Internet and the ITT Tech Virtual Library to research the following

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