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Suppose the database has the following tables;
CUSTOMER (CustomerSK, Name, Phone, EmailAddress)STOVE (SerialNumber, Type, Version, DateofManufacture)REGISTRATION (CustomerSK, SerialNumber, Date)STOVE_REPAIR (RepairInvoiceNumber, SerialNumber, Date, Description, Cost, CustomerSK)
Write down the SQL code to complete the following requests.
1. Illustrate all the data in each of four tables. Don't show foreign key columns.2. Write down the names and e-mail addresses for all customers who have had stove repair which cost more than $50.3. Write all \versions of stoves which are of a type "Maytag" and they have not spent any money on repairs.
Explain what information is available from relational database containing one relation with attributes Name, Employee identification number, and Address which is not available.
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
Assignment 5: Logical Design, Part II, Explain the problems associated with data redundancy as it pertains to effectively using information for reporting and analysis.
Find out which data from database to archive; that is, for each table, Write down whether data requires to be archived.
Write a query to determine the cost of the least expensive part in the part table? Format the returned price in dollars and cents using the correct function.
Use SQL to create the following database; to including referential integrity. You may NOT use the GUI for this part of the exercise. COURSE ( CourseNu, CourseName, CreditHrs).
Write a command to list all the employees hired in 2003 and 2004. Sort the rows by the hire_date column in descending order.
Assume that data warehouse for video game shop consists of th three dimensions: time, player, and game, and two measures number of games played and price paid per game. Sketch schema diagram for data warehouse using the star schema.
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
First, specify the foreign keys for this schema, stating any assumptions you make. Next, populate the relations with a few example tuples.
Explain the conceptual model employed in the design of these types. Describe the analogies and concepts these monitors expose to users, including the task-domain objects users manipulate on the screen.
determine the functional dependencies that exist in the following table. After determining the functional dependencies, convert this table to an equivalent collection of tables.
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