Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

Q1. Describe the various types of constraints on the Generalization or Specialization.

Q2. Composite and multi-valued attributes can be nested to any number of levels. Assume that we want to design an attribute for a STUDENT entity type to keep the track of previous college education. Such an attribute will encompass one entry for each college previously attended and this entry is composed of: college name, start and end dates, degree entries (degrees awarded at that college, if any) and transcript entries (courses completed at that college, if any). Each degree entry is formed of degree name and the month and year it was awarded and each transcript entry is made of a course name, semester, year and grade. Design the attribute to hold this information.

Q3. How the given ER constructs would be mapped to the relational model.

a) Aggregation.
b) Strong and weak entity set.
c) Generalization or Specialization.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M910933

Have any Question? 


Related Questions in DBMS

Dfd1 draw a context diagram for the fiat for football

DFD 1. Draw a Context Diagram for the FIAT for Football process. 2. Draw a top level Data Flow Diagram for the FIAT for Football method. 3. Blow up any one non-trivial process into a first level Data Flow Diagram.

Database management assignmentyou have been hired by

Database Management Assignment You have been hired by National Bank as their new database administrator. Your first task is to upgrade the bank's outdated computer system and implement a relational database management sy ...

Learning outcomes1 manage user access and user profiles

Learning Outcomes 1. Manage user access and user profiles within a complex DBMS 2. Conduct database audits 3. Develop backup and recovery procedures Read the given scenario and perform all tasks. You have to answer all q ...

Tasks objectives1 manage client-server connections using

Tasks Objectives: 1. Manage client-server connections using RDBMS Net Services 2. Evaluate requirements and select appropriate parameters to ensure effective storage management in a database system 3. Manage Redo log inf ...

Create a database to keep inventory of something you own

Create a database to keep inventory of something you own, such as books, CDs, movies, collectibles, etc. You can make these up if you want. (You could use this in real life to keep track of what other people have borrowe ...

Oracle databaseusing the schema you developed in homework 1

Oracle Database Using the Schema you developed in Homework 1 for your e-Commerce project, design and implement a Virtual Private Database that limits database access. Your design should be based on two of your columns an ...

Advanced relational database final programming project in

Advanced Relational Database Final Programming Project In this project, you will design a secure database with several tables using good relational database design techniques. Project Objectives: After completing this Pr ...

Describe a dbms and its functions list at minimum three of

Describe a DBMS and its functions. List, at minimum, three of the popular DBMS products and give a brief description of each. Your response should be at least 200 words in length. Explain what mobile devices are and why ...

Make the menageriegis database using petgissqllook at the

Make the menagerieGIS database using petGIS.sql Look at the petGIS.png to see where the pets are. 1. Display the name, astext location, X and Y values of each pet 2. Display the pets with their location displayed in stan ...

Discussionnormalization and redundancy please respond to

Discussion "Normalization and Redundancy" Please respond to the following: • Suggest one of the problems that normalization seeks to solve within a database. Describe one example of your suggested problem, and explain th ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen