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!
Describe the entity-relationship model. How are entities, relationships, and attributes represented in this model? What is a composite entity? Describe the approach to diagrams that uses a crow's foot. Describe how you would represent cardinality in an E-R diagram.
Can Oracle have multiple group functions in the same SELECT list of query (i.e can we do a COUNT and AVG)? Let us assume we wanted to find lowest, highest, average.
Indicate the changes (using the shorthand representation) that you would need to make to the original premiere products database desing to support the following requirements.
Data processing needs taking or receiving the data from a source and doing something with it. The same can be said about the transaction processing. When working along with a file, whether it be a fixed length.
Describe the characteristics of a Relational Database Management System (RDBMS).
Explain the information-gathering techniques and design methods you would suggest to use for project. Recognize the key factors that help ensure the information required for the project.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Explain the role of a database administrator,the tasks performed by this role and why this role is important in Database Management.
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.
Hhow can you change column name or what is a different way to write statement in SQL so it displays the amount column as money.
Prepare the relational schema for database
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
Suppose a database has tables given below. Write the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
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