Er notation - Study guides, Study notes & Summaries

Chapter 3: Data Models TRUE/FALSE 1. A data model is usually graphical. ANS: T PTS: 1 2. The terms data model and database model are often used interchangeably. ANS: T PTS: 1 3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. ANS: T PTS: 1 4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. ANS: T PTS: 1 5. Data modeling starts with a...

Honors Chemistry EXAM: multiple choice Questions and Answers 100% Correct What is a quantitative measurement? ess rature - Answer- rature Earth attracts all objects to its surface. This Statement is a(n) ________. hesis y tific law vation - Answer- tific law What is the correct measurement marked by the arrow a.17.077 b.17.8 c.17.76 d.17.7 - Answer- c.17.76 The accepted value is 29.35. Which correctly describes this student's experimental data? Trial: Measurement: 1 29.48 ...

Vowel A class of open speech sounds produced by the easy passage of air through a relatively open vocal tract. A, E, I, O, U Consonant One of a class of speech sounds in which sound moving through the vocal tract is constricted or obstructed by the lips, tongue or teeth during articulation. Accent Stress or emphasis on one syllable in a word or on one or more words in a phrase or sentence. The accented part is spoken louder, longer, and/or in a higher tone. The speaker's mouth...

Vowel ANSWER: A class of open speech sounds produced by the easy passage of air through a relatively open vocal tract. A, E, I, O, U Consonant ANSWER: One of a class of speech sounds in which sound moving through the vocal tract is constricted or obstructed by the lips, tongue or teeth during articulation. Accent ANSWER: Stress or emphasis on one syllable in a word or on one or more words in a phrase or sentence. The accented part is spoken louder, longer, and/or in a higher tone. T...

Honors Chemistry EXAM: multiple choice Questions and Answers 100% Correct What is a quantitative measurement? ess rature - Answer- rature Earth attracts all objects to its surface. This Statement is a(n) ________. hesis y tific law vation - Answer- tific law What is the correct measurement marked by the arrow a.17.077 b.17.8 c.17.76 d.17.7 - Answer- c.17.76 The accepted value is 29.35. Which correctly describes this student's experimental data? Trial: Measurement: 1 29.48 ...

WGU C170 ER-Modeling Questions Guaranteed A+ Unary relationships are common in manufacturing industries. TRUE _________________ not only helps database designers to stay on track during the design process, it also enables them to pick up the design thread when the time comes to modify the design. Documentation Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:12 / 0:15 Full screen Ideally, an entity identifier is composed of...

Honors Chemistry EXAM: multiple choice Questions and Answers 100% Correct What is a quantitative measurement? ess rature - Answer- rature Earth attracts all objects to its surface. This Statement is a(n) ________. hesis y tific law vation - Answer- tific law What is the correct measurement marked by the arrow a.17.077 b.17.8 c.17.76 d.17.7 - Answer- c.17.76 The accepted value is 29.35. Which correctly describes this student's experimental data? Trial: Measurement: 1 29.48 ...

A composite identifier is a primary key composed of more than one attribute. a. True b. False ANSWER: True DIFFICULTY: Difficulty: Easy REFERENCES: 4-1b Attributes LEARNING OBJECTIVES: 04.01 - Identify the main characteristics of entity relationship components 9. The Crow's Foot notation easily identifies multivalued attributes. a. True b. False ANSWER: False DIFFICULTY: Difficulty: Easy REFERENCES: 4-1b Attributes LEARNING OBJECTIVES: 04.01 - Identify the main characteristics of e...

Database Design Using Entity-Relationship Diagrams by Sikha Bagui and Richard Earp ISBN:4 Auerbach Publications © 2003 (242 pages) With this comprehensive guide, database designers and developers can quickly learn all the ins and outs of E-R diagramming to become expert database designers. Table of Contents Back Cover Comments Table of Contents Database Design Using Entity-Relationship Diagrams Preface Introduction Chapter 1 - The Software Engineering Process and Relational Da...

Anti-K was identified only the following antigram: Since it doesn't meet the rule of 3, further testing is required. - ANSWER-False Refer to the following results Of the antibody screen and DAT test: what is most likely presumption? - ANSWER-One antibody, IGM in class, aloantibody A 16-year-old female was recently diagnosed with mycoplasma pneumonia. She is now having a type an antibody screen for an upcoming surgery. The immediate spin and nobody screen was positive in both cells. The...