Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Company XYZ needs a program to build a database concerning employee information. The program should do the following:Ask the employee for their name and number of dependents claimed for tax purposes.Display a message to verify the number of tax deductions. (this will be one more than the number of dependents entered.)Let employees select whether they want personal health insurance or family health insurance.Display a message to verify the selection and tell each employee the cost of the selection.Let employees select whether they want to deduct union dues from their paycheck.Display a message to verify the selection and tell each employee the cost of the selection.Show the OOD solution of this problem.Step 1 Identify all nounsStep 2 Identify class(es)Step 3 Identify data members for each of the classesStep 4 Identify operations for each of the objects (classes)
Create an ER diagram using the set of requirements provided for Oxford City Council's bicycle sharing scheme and identify the minimal set of functional dependencies and all candidate keys for the relation R
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
For each table argue whether or not interference with another transaction is possible. Illustrate concurrency control method using two phase locking.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
You should choose a data storage problem of your interest and identify the different pieces of data that should be stored in database.
Create a data warehouse for electronics store chain. Chain has 20 stores in 5 cities. Each store has different sections comprising computers, DVDs, TVs, audio, home appliances etc.
Create a table (by your own imagination) which comprises the least 25 patients with next information (columns): Calculate average of Value1 for each Gender.
Exceptions in credit card transactions can aid us fraudulent use of credit card. Suggest two methods for outlier detection.
Relational database is based on fact that data in one table can be tied, or related to data in another table. To do this, database utilizes various types of keys to form or define these relationships.
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
Proceed with all steps in information-level design to add this user view to existing cumulative design. Is this table in1st NF?___No____ . If Yes skip. If not, write Table in DBDL notation after applying the methodology we use for converting into 1NF..
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd