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!
1. Identify and discuss the serious data redundancy problems exhibited by the file structure shown in Figure. (The file is meant to be used as a teacher class assignment schedule. One of the many problems with data redundancy is the likely occurrence of data inconsistencies-two different initials have been entered for the teacher named Maria Cordon.)
2. Given the file structure shown in Figure, what problem(s) might you encounter if building KOM were deleted?
objectivesto analyse and comprehend a provided er diagram and database schemato implement a database based on the
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
University XYZ needs a database that keeps track of students, what classes they taken and the grades for each of the classes.
Write down the advantages and disadvantages of working with multiple tables? Write an example of situation where multiple tables would be suitable in the application.
Carry out the following tasks below by using the correct SQL statements. Create the statements in Oracle by using the following steps (SQL > SQL commands > Enter Command). Determine the columns that make up the primary key of the l_lunch_items tabl..
Use MS Visio to create a use case diagram for question 1, a selected class diagram for question 2, and a sequence diagram for question 3.
Describe the characteristics of a Relational Database Management System (RDBMS).
How many entities are shown by this relation?
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
relational algebragiven the following set of relations from the east coast aquarium database list the sequence of
Athabasca University has about 32,000 students between the ages of 17 to 60. Consider the AU student relation with the following schema.
1. design an relational model rm model of a database db that will be useful for each of the chosen enterprises. hint
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