Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 9, Problem 6RQ
What is the minimal data rule in conceptual design? Why is it important?
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Database Systems: Design, Implementation, & Management
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- What are the steps you will follow in order to check the database and fix any problems with it? Have in mind that you SHOULD normalize it as well. Describe in full, consider the following:• Taking the database offline is not allowed since people are connected to it.• Personal data might be bridged and not secured. Provide three refernces with you answerarrow_forwardYou are called by your supervisor to go and check a potential data bridge problem. What are the stepsyou will follow in order to check the database and fix any problems with it? Have in mind that youSHOULD normalize it as well. Describe in full, consider the following:• Taking the database offline is not allowed since people are connected to it.• Personal data might be bridged and not secured. Provide three refernces with you answerarrow_forward(A) A cellular system has 12 microcells with 10 channels per cell. The microcells are split into 3 microcells, and each microcell is further split into 4 picocells. Determine the number of channels available in system after splitting into picocelles.arrow_forward
- Question 8 (10 points) Produce a relational schema diagram that corresponds to the following ER diagram for a Vacation Property Rentals database. Your relational schema diagram should include primary & foreign keys. Upload your relational schema diagram as a PDF document. Don't forget that the relation schemas for "Beach Property" and "Mountain Property" should each have primary keys. FYI: "d" in this notation denotes a subclass. Figure 2: ER Diagram for Question 8 id first RENTER name middle last address phone email 1 signs N id begin date RENTAL AGREEMENT end date amount N street address books city id 1 state address num. rooms PROPERTY zip code base rate type propertyType blocks to beach activity "B" "M" BEACH PROPERTY MOUNTAIN PROPERTYarrow_forwardNotes: 1) Answer All Question, 2) 25 points for each question QI Figurel shows the creation of the Frequency Reuse Pattern Using the Cluster Size K: (A) illustrates how i and j can be used to locate a co-channel cell. huster 3 Cluster Cluster 2 X=7(i=2,j1)arrow_forwardYou are called by your supervisor to go and check a potential data bridge problem. What are the stepsyou will follow in order to check the database and fix any problems with it? Have in mind that youSHOULD normalize it as well. Describe in full, consider the following taking the database offline is not allowed since people are connected to it and how personal data might be bridged and not secured.Provide three references with you answer.arrow_forward
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