Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask DBMS Expert


Home >> DBMS

problem 1)a) Describe Advantages and disadvantages of Hierarchical Data Model and Network Data Model.

b) describe the levels of Data Abstraction in DBMS.

problem 2)a) describe Query Processor and Storage manager components of DBMS.

b) Describe advantages and disadvantages of DBMS approach.

problem 3)a) Consider University database which keeps track of students, their majors, their transcripts and their registrations, as well as of the university's course offerings. The database also keeps track of the sponsored research projects of faculty and graduate students. Draw the E-R Diagram which must be consist of Entity sets, attributes, relationships, mapping cardinality and keys.

b) Describe strong entity set and weak entity set in detail.

problem 4)a) Draw ER Diagram for Banking enterprises which must be consist of Entity sets, attributes, relationships, mapping cardinality and keys, aggregation, specialization, Role and Generalization.

b) Describe the constrains on Generalization in EER.

problem 5)a) What do extension and Intentions of relations mean.

b) Describe SQL Sequence and View Object.

c) Describe codd's comprehensive sub-language rule and data independence rule.

problem 6)a) Describe different keys used in relational model and Domain Constraints with suitable ex.

b) Describe database languages with suitable ex

problem 7)a) Consider the following Relations. It defines the schema of the database application for a library.

BOOK (Book_ISBN[pk], Title, Publisher_Name[fk])
BOOK_AUTHORS (Book_ISBN [pk,fk], Author_Name[pk])
PUBLISHER (Name [pk], Address, Phone)
BOOK_COPIES (Book_ ISBN [pk,fk], Branch_ID [pk,fk],Num_ Copies)
BOOK_LOANS (Book_ISBN[pk,fk], Branch_ID [pk,fk], Card_Num[pk,fk], Date_Out, Date_Due)
LIBRARY_BRANCH (Branch_ID [pk], Branch_Name, Address)
BORROWER (Card_Num[pk], Name, Address, Phone)

Answer the following queries in each of the SQL query languages that you know:

i) List all the ISBN and title of all books written by "John Smith".

ii) List all the ISBN and title of all books written by "John Smith" as the only author.

iii) List all the Card number and name of all borrowers who checked out two or more books on 10/16/2003.

iv) List all the branch ID and name of all library branches that have at least one copy of all the books.

v) List all the card number and name of borrowers who check out books from the LPL03 branch.

vi) List all the names of authors who use only one publisher.

vii) List all the names of authors and count of the number of books they have published. The list will be in descending order by the number of books.

viii) List all the ISBN, title and publisher of all books that have the word "Louisiana" in the title.

ix) List all the card number and name of the borrower who has checked out the most books.

x) For each branch list the branch ID and the number of books they have. This is the total number of books including multiple copies.

b) describe sub query in SQL.

problem 8)a) The HRD manager has decided to raise the salary for all the employees in department no. 20 by 0.05. Whenever any such raise is given to the employees a record for the same is maintained in the emp_raise table.
It includes the employee no, the date when the raise was given and the actual raise. prepare a PL/SQL block to update the salary of each employee and insert a record in the emp_raise table, create employee and department table.

b) prepare brief notes on Assertion and Database Triggers.

DBMS, Programming

  • Category:- DBMS
  • Reference No.:- M95583

Have any Question? 


Related Questions in DBMS

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 ...

Assignment business rules for sam symthes

Assignment: Business Rules for Sam Symthe's Database Overview Sam Smyth is an expert puppy trainer. His specialty is training troubled puppies to behave for their owners. The name of his business is Sam Smythe's Kennel f ...

Assignmentproject descriptionextreme h2o is a company that

Assignment Project Description: Extreme H2O is a company that specializes in water sports. It is considering adding some new experiences for its customers. In a nearby community, there is a small river that can be used f ...

Task - overview of business casealive amp boating aampb is

Task - Overview of business case: Alive & Boating (A&B) is a small start-up company that sells small boats in Wagga. A&B keeps its models in several showrooms across the city. At this stage customers cannot view the avai ...

Frontlines united states of secrets all Frontline's United States of Secrets, all

Frontline's United States of Secrets, all episodes: http://www.pbs.org/wgbh/frontline/film/united-states-of-secrets/ (Links to an external site.) Nova's Genome specials http://www.pbs.org/wgbh/nova/body/cracking-the-code ...

Save a copy of the tal distributors database located within

Save a copy of the TAL Distributors database located within the Shared Files of the course. You will use this copy to create indexed fields in your database. The current TAL Distributors database only has a few customers ...

Describe a database that might be used in nursing using

Describe a database that might be used in nursing. Using this data, explain the relationship between a field, a record, a table and a database. In addition, what are the advantages of managing database information in Acc ...

Objective this is an individual assignment aimed to give

Objective: This is an individual assignment aimed to give the student exposure to the concepts relating to database systems and optimal strategies for efficient management of databases Learning Outcomes assessed: 1. Crea ...

Some people used to believe that data warehouses would

Some people used to believe that data warehouses would quickly replace databases for both online transaction processing (OLTP) and online analytical processing (OLAP). Of course, they were wrong. Why can data warehouses ...

Capstone project purpose of the assessmentthe purpose of

Capstone Project Purpose of the assessment: The purpose of this assignment is to identify new learning, self realisation and plan for improvement. Students will have an opportunity to explore the use of the online tools ...

  • 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