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Question:
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
Question: Draw the MS Visio crow's feet E-R Model.
Show the tables will all relationships and attributes.
Please keep it simple and short and no copy and paste or at least help me get started?
Consider the scenario from Exercise 2.4, where you designed an ER diagram for a company database. Write SQL statements to create the corresponding relations and capture as many of the constraints as possible. If you cannot capture some constraints, e..
a large bank has a headquarters location plus several branches in each city in a particular region of the country. as
to analyse a set of data and write a memo identifying and explaining your insights into the operation of todd
metropolis toys metropolis toys is an independent family-owned manufacturer of wooden toys. the toys are designed by
Analyse and comprehend a provided ER diagram and Database Schema and implement a database based on the provided ER diagram and Database Schema
When a student has not chosen a major at a university, the university often enters a value of "Undecided" for the major field. Is "Undecided" a way to represent the null value? Should it be used as a default value? Justify your answer carefully.
What advantage is there in storing metadata in tables? Is Microsoft Access a DBMS? Why or why not? List the several consequences of a poorly designed database.
Instructions- This assignment builds on your first two assignments using Access and asks you to consider the process of designing, implementing, and converting data.
SQL implements VPD using the VIEW object while Oracle10g provides specific functions for row-level security and fine-grained access.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
First, specify the foreign keys for this schema, stating any assumptions you make. Next, populate the relations with a few example tuples.
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