A county wishes to create a database

Assignment Help Database Management System
Reference no: EM13167971

A county wishes to create a database to control its local libraries. Each library has a number of employees, one of whom is designated as the manager of the library and is responsible for supervising employees and the general day-to-day management of the library.

Each library stores a number of books and CDs. A citizen has to become a member of a library before he/she is allowed to borrow any books, but thereafter can borrow books from any county library. Generally, a library stocks a number of copies of each book title and each CD. Details of books publishers are maintained but not CD publishers

  1. Draw the MS Visio crow's feet E-R Model.
  2. Show the tables will all attributes and relationships.

Reference no: EM13167971

Questions Cloud

What is the change in enthalpy : The following heats of formation are used to find the change in enthalpy for the formation of tin chloride in the following reaction Sn (s) + 2Cl2(g) --> SnCl4(l).
Write a program using the ''requetinteger'' : using python/jython programming write a program using the 'requetInteger' function that will ask the user to type a value that will draw a line from one point on a picture to another. I don't need specific help just a gerneral idea.
Explain an acetic acid solution of bromocresol green : an acetic acid solution of 2.87 pH is titrated with 1.5 mL of bromocresol green. When the color changes to light green
Prompts the user to enter the mass of a person : Write a program that prompts the user to enter the mass of a person in kilograms and outputs the equivalent weight in pounds. Output both the mass and the weight rounded to two decimal places
A county wishes to create a database : A county wishes to create a database to control its local libraries. Each library has a number of employees, one of whom is designated as the manager of the library and is responsible for supervising employees and the general day-to-day management..
Explain do not specify stereochemistry : do not specify stereochemistry. (The absolute stereochemical configurations of chiral substances cannot be determined from the data.)
Determine the unit cell edge length : Magnesium oxide (MgO) has the rock salt crystal structure and a density of 3.58 g/cm3. Determine the unit cell edge length.
Predict what volume hcl to the equivalence point : Predict what volume (mL) of 0.3000 M NaOH is required to titrate 25 mL of 0.3000 M HCl to the equivalence point
Calculate the molar mass of n2o3 : One mole of carbon-12 atoms is equal to a mass of exactly how many grams of carbon-12 atoms?

Reviews

Write a Review

Database Management System Questions & Answers

  Evaluate the success wellco and pharmacare shareholders

Evaluate the success WellCo and PharmaCARE shareholders

  How to use spool command

How to interactively query a database by using SQL statements and SQL*PLUS commands and how to use spool command to save an interactive session within SQL*PLUS.

  Bioinformatics for representing sequence annotation

The GFF3 format is a commonly-used one in bioinformatics for representing sequence annotation and which ID (cv_id) corresponds to the GO ontology stored in the database and how many controlled vocabulary terms (cvterm table) are linked to the GO onto..

  Create and run the following sql queries

Create and run the following  sql  queries and submit the screen shot of your result. Also submit the file lab_06_03. sql

  Decompose relation into relations which are in bcnf

it is not essential to give violations which have more than one attribute on right side. Decompose the relation, as essential, into collection of relations which are in BCNF.

  Evaluate a dbms in terms of lock granularity

Suppose you are asked to evaluate a DBMS in terms of lock granularity and the different locking levels. Create a simple database environment in which these features would be important.

  Data modeling and normalization

Data Modeling and Normalization

  Convert the erd

Using the descriptions of the attributes given in the, convert the ERD shown in Figure P6.2 into a dependency diagram that is in 3NF.

  Create a database using oracle packaged procedure

Create a database using Oracle packaged procedure

  An active database in pl-sql

Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?

  Changes require to make-premiere products database

Point out the changes you require to make to Premiere Products database to support following situation: A customer is not necessarily represented by a single sales rep but can be represented by several reps.

  Develop a new information system

MGMT321 Group Project :  You were hired as an analyst to develop a new information system to automate the payroll transactions in a mid-size organization. The proposed system will contain employees’ data and interface with the organization’s General ..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd