Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Question
.The properties of an entity is called _____________Single choice.
(1 Point)
Entity set
Relationship
Attribute
Data
2.____________ Function of DBMS deal with the simultaneous multiple user access to the database .Single choice.
(1 Point)
Accuracy
Privacy
Concurrency
Accessibility
3.A thing or object in real world which is different from all other objects is called ________Single choice.
(1 Point)
Entity
Attribute
Model
Relation
4.A foreign key in one relation must always be a _______________ key in a reference relation.Single line text.
(1 Point)
5.To eliminate duplicate rows from the output against a select statement, we use ___________ keyword after select in the query.Single line text.
(1 Point)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by stepSolved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Question 4, Page 281 Concepts of Database Management, 9th Edition ISBN: 978-1-337-09342-2 The solution found for this question doesn't take into account some of my concerns. Of note, the relationships aren't identified between the client and reservation tables. Additionally, groups may have names or other attributes that need to be captured. Question: Does the solution presented actually produce a workable solution that will indeed satisfy all the needs of the customer by simply adding the one field into the client table as suggested? And if not, what would you recommend?arrow_forwardConsider the unnormalized data presented in the STUDENT table below:a) Identify the data redundancies and give reasons why they create problems in schemas. STUNUM STUNAME TUTNUM TUTNAME COURSENUM COURSEDESC GRADE 00118536 John Brown RC985 Rose Carter CS1001 CS1002 CS1003 Comp Research English Database design B A A 00118537 Marie Smith TB526 Tom Black CS9001 CS9002 CS1002 Calculus Javascript English A B C 00118538 Mary Cole PF587 Peter Finch CS9002 CS1003 CS1001 Javascript Database design Comp Research C A A 00118539 Ian Dunkley SH231 Sarah Hardy CS9005 CS9006 CS1002 Information Systems Web Design English A B B 00118540 Bob Marley JH850 Jacqui Hart CS9002 CS1002 CS1003 JavaScript English Database Deign A B C b) Which dependencies represent 1NF violations? Identify and eliminate 1NF violations. Present your table(s) after transformation into 1NF.c) Identify and remove any 2NF violations. Show the resulting schemas and tablesd) Identify and…arrow_forwardScenario You are a database consultant with Ace Software, Inc. and have been assigned to develop a database for the Mom and Pop Johnson Video Store in old-town. Mom and Pop have been keeping their records of videos and DVDs purchased from distributors and rented to customers in stacks of invoices and piles of rental forms for years. They have finally decided to automate their record keeping with a relational database. You sit down with Mom and Pop to discuss their business and watch their operation for about a week. Mom and Pop rent legacy video/DVDs and discuss their need to move away from maintaining their rental records on paper. You discover for 1 title, they typically (but not always) offer two formats including a video (VCR) and DVD format. Both formats of a movie are kept in a separate plastic case when rented out. They have several copies of each rental movie. There are several videos and DVDs for each movie title. You learn that in their inventory, they have several thousand…arrow_forward
- Relational database integrity rules are especially important to gooddatabase design. Relational database management systems(RDBMSs) enforce integrity rules automatically, but it ismuch safer to make sure your application design conforms to theentity and referential integrity rules.As an upcoming database designer, explain in your own words,entity and referential integrity ruarrow_forward1. Create a database diagram that shows the relationships between the seven tables in the MyGuitarShop database. (The administrators table is not related to the other six tables.) 2. Design a database diagram for a database that stores information about the downloads that users make from a website. Each user must have an email address, first name, and last name. Each user can have one or more downloads. Each download must have a filename and download date/time. Each product can be related to one or more downloads. Each product must have a name.arrow_forwardT. Relational Model Instructions This assignment will show that you understand how columns should be separated between tables in a properly structured relational database. Your objective: Imagine you need to design a database that tracks members, type of membership, and exercise routines for each member. • Build a relational database model with multiple tables • Use your imagination and feel free to create the tables with as many columns as you would like. • Highest points will be awarded for completeness AND correctness. Submit as an Excel workbook or image.arrow_forward
- Answer in your own wayarrow_forwardConvert the following ER diagram into a relational database schema, be certain to indicate primary keys and referential integrity constraints.arrow_forwardList the transparency features that should be included at a bare minimum in a distributed database management system.1.Openness about results2.Transparency in financial dealingsarrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education