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!
PART 1
#1. Identify two benefits of separating application software from the database management system. #2. Identify the level within a database system (user, programmer of application software, and designer of the DBMS software) at which each of the following concerns or activities occur:
a. How should data be stored on a disk to maximize efficiency?b. Is there a vacancy on flight 243?c. Could a relation be stored as a sequential file?d. How many times should a user be allowed to mistype a password before the conversation is terminated?e. How can the PROJECT operation be implemented?
#3. Design a relational database containing information about music composers, their lives, and their compositions. (Avoid redundancies similar to those in Figure 9.4)
PART 2
#1. Suppose a sequential file contains 50,000 records, and 5 milliseconds are required to interrogate an entry. How long should we expect to wait when retrieving a record from the middle of the file? #2. The chapter drew parallels between a traditional file index and the file directory system maintained by an operating system. In what ways does an operating system's file directory differ from a traditional index?
Describe the different procedure performed in DBMS for student database in which fields are student id, student name, student class, marks.
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
Controls which need a database to either execute transaction completely or not at all.
Create Entity-Relationship diagram for a bookstore database, that maintains information about books, professional journals, their authors, and publishers.
Produce a scatterplot of Rent vs. Size (square meters of the apartment) for the rental data in rent.
Create an entity-relationship diagram and design accompanying table layout using sound relational modeling practices and concepts.
Perform the conceptual database design using Entity-Relationship model. You must submit the Entity-Relationship diagram of your database and develop queries in the target DBMS
Create a new table named SportingGoods to contain the columns PartNum, Description, OhHand, Warehouse, and Priced for all rows in which the item class is SG.
Is software measurement equivalent to software metrics? What makes them different?
What kind of databases and database servers does MySpace use? Why is database technology so important for a business such as MySpace?
Using your knowledge of Premiere Products, determine the functional dependencies that exist in the following table.
Suggest how to implement direct-address table in which keys of stored elements don't require to be distinct and elements can have satellite data.
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