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. Draw an entity relationship diagram (ERD) for the following situation: A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to store Employee_Name, Employee_Address, and Employee_BirthDate in the database. The company also has several projects. Each project is identified by a Project_Id. The company wants to store Project_Name and Project_StartDate in the database. Each employee must be assigned to one or more projects, or may not be assigned to a project. A project must have at least one employee assigned and may have any number of employees assigned. An employee's billing rate may vary by project, and the company wishes to record the applicable billing rate (Billing_Rate) for each employee when assigned to a particular project.
You subsequently realize that updates to these relations are frequent. Because indexes incur a high overhead, can you think of a way to improve performance on these queries without using indexes?
Examine the proposed business ethical problem that the Brazilian Federal Data Processing Service is presently experiencing. Determine whether you agree or disagree that Brazil's problem is an ethical one that should be corrected. Provide a rationa..
Determine the steps in the development of an effective Entity Relationship Model (ERM) Diagram and determine the possible iterative steps
prepare a 2- or 3-page paper for this assignment.pick an online database and then describe entities and attributes that
A vendor builds multiple types of tablet computers. Each hs a type identification number and a name. The key specifications for each type include amount of storage and display type.
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..
Do you always have to use the third normal form? Why or why not? What can happen if you do not use the third normal form? Normalize the following relations to 3NF, using the set of functional dependencies listed:
Evaluate the strengths and limitations of your selected Big Data technology.
what do you think is the wisdom of maintaining 2 models? The W3C has a Document Object Model as a recommendation. Do you think browsers should implement this model? If not, propose a model which you think would be suitable.
Create a link list in ADT c to maintain employee information like name,empid,basic salary and address.1.add employee info to the list if the empid is valid.
Comprise a justifiable argument for the use of data warehouses, data centers, and data marts in order to support for business intelligence (BI) within the organizational structure.
To allay these concerns and to improve the ease and efficiency with which the apartment managers conduct their daily business, the company is proposing the development of a centralized database that the managers can use to track the daily business..
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