Intro to Database

Please help with review questions ... 1. List the entities shown 2. What is the primary key for each entity? 3. Are there any multivalued attributes shown? If so, discuss how it/they should be handled in the implementation of the relational database ... (Please see attachment for figures and complete list of questions. ...continues

database - conversion: unnormalized relation, 1NF, 2NF, 3NF

The following unnormalized relation shows a modified version of the Nazca Cinemas case problem. A ShowingID attribute has been added to the relation. Each individual showing (a given movie in a given room on a given date at a given time) of a movie is given its own unique ShowingID. Using the modified version of the unnormalized ...continues

database systems - conversion: unnormalized relation, 1NF, 2NF, 3NF

Nazca Cinemas is a small movie theater that would like you to design a movie scheduling database system for them. The theater has four rooms (screens). Each room has its own unique ID and the seating capacity and screen size for each are recorded. Each movie is assigned a unique movie ID and its title and runtime are recorded. ...continues

Intro to database - Crow's Foot model; ERD; Entities

Meridian News publishes a daily newspaper and would like a database developed to maintain information about subscribers and subscriptions. Each subscriber is uniquely identified by a subscriber number and is also characterized by first name, last name, address, and phone number. Each subscription is uniquely identified by a subs ...continues

data

In your own words, explain the concept of normalization. What does normalization accomplish? What are the advantages of normalization? In general, how do you go about normalizing a relation?

Please answer me for these questions in detail for each question.

Exercise 1 In the following exercises, you will use the data in the Premiere Products database (shown in the attachment). Explain how you would use SQL to obtain the desired results: 1.Craete the TopLevelCust view described in the following: Using data from the Premiere Products database, define a view named TopLevelCust. ...continues

Explain the key concepts that are involved in transaction processing

Explain the key concepts that are involved in transaction processing. Define the concepts and provide an explanation of the commands that are involved in the transaction. Also, explain the advantages of using transaction processing in your code.

Introduction to Relational Databases

See the the attachment for full problem description

ER Diagram

EXAMPLE ATTACHED _____________________________________________________________________ The State and Capital relations, shown in the attached figure are described as follows: • State (StateAbbrev, StateName, EnteredUnionOrder, StateBird, StatePopulation) • Capital (Capital Name, State Abbrev, YearDesignated, PhoneAreaC ...continues

Use the Internet or computer magazines to investigate one of the following DBMSs

Use the Internet or computer magazines to investigate one of the following DBMSs: DB2, SQL Server, MySQL, Oracle, or Sybase. Then prepare a report that explains how the DBMS handles tow of the following distributed database functions: deadlock, fragmentation, replication, the data dictionary or log, and distributed queries.