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EBK MODERN DATABASE MANAGEMENT,
13th Edition
ISBN: 9780134792279
Author: TOPI
Publisher: YUZU
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Chapter 8, Problem 8.60PAE
Program Plan Intro
Provide an indexing solution for the given situation of
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Create an ER Model for the following requirements:
A car has a make, model and year.
A registration has a county and date.
A person has an address and an age.
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courses including number, title, credits, syllabus, and prerequisites;
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اضف ملف
An integrity constraint is a mechanism used by any DBMS tool to prevent invalid data entry into the table. Suggest all possible actions to be taken for preventing the violation of the data integrity constraints.
Chapter 8 Solutions
EBK MODERN DATABASE MANAGEMENT,
Ch. 8 - Prob. 8.1RQCh. 8 - Prob. 8.2RQCh. 8 - Prob. 8.3RQCh. 8 - Prob. 8.4RQCh. 8 - Prob. 8.5RQCh. 8 - Prob. 8.6RQCh. 8 - Prob. 8.7RQCh. 8 - Prob. 8.8RQCh. 8 - Explain why you sometimes have to reserve much...Ch. 8 - Why are field values sometimes coded?
Ch. 8 - Prob. 8.11RQCh. 8 - Prob. 8.12RQCh. 8 - Explain why normalized relations may not comprise...Ch. 8 - Prob. 8.14RQCh. 8 - List three common situations that suggest that...Ch. 8 - Explain the reasons why some experts are against...Ch. 8 - Prob. 8.17RQCh. 8 - Prob. 8.18RQCh. 8 - Prob. 8.19RQCh. 8 - Prob. 8.20RQCh. 8 - Prob. 8.21RQCh. 8 - Prob. 8.22RQCh. 8 - One of the strongest recommendations regarding...Ch. 8 - Explain why an index is useful only if there is...Ch. 8 - Indexing can clearly be very beneficial. Why...Ch. 8 - Prob. 8.26RQCh. 8 - Prob. 8.27RQCh. 8 - Describe the role of data dictionary in the...Ch. 8 - Prob. 8.29RQCh. 8 - Prob. 8.30RQCh. 8 - Explain how creating a view may increase data...Ch. 8 - Prob. 8.32RQCh. 8 - Prob. 8.33RQCh. 8 - Prob. 8.34RQCh. 8 - Prob. 8.35RQCh. 8 - Prob. 8.36RQCh. 8 - Prob. 8.37RQCh. 8 - Prob. 8.38RQCh. 8 - Prob. 8.39RQCh. 8 - How can views be used as part of data security?...Ch. 8 - Prob. 8.41RQCh. 8 - Prob. 8.42RQCh. 8 - Consider the following two relations for...Ch. 8 - Prob. 8.44PAECh. 8 - Prob. 8.45PAECh. 8 - Prob. 8.46PAECh. 8 - Prob. 8.47PAECh. 8 - Suppose you are designing a default value for the...Ch. 8 - When a student has not chosen a major at a...Ch. 8 - Prob. 8.50PAECh. 8 - Prob. 8.51PAECh. 8 - Consider the relations in Problem and Exercise...Ch. 8 - Prob. 8.53PAECh. 8 - Prob. 8.54PAECh. 8 - Prob. 8.55PAECh. 8 - Prob. 8.56PAECh. 8 - Prob. 8.57PAECh. 8 - Consider the relations specified in Problem and...Ch. 8 - Prob. 8.59PAECh. 8 - Prob. 8.60PAECh. 8 - Prob. 8.61PAECh. 8 - Prob. 8.62PAECh. 8 - Prob. 8.63PAECh. 8 - Prob. 8.64PAECh. 8 - Problems and Exercises 8-65 through 8-68 refer to...Ch. 8 - Prob. 8.66PAECh. 8 - Problems and Exercises 8-65i5 through 8-68 refer...Ch. 8 - Refer to Figure 4-5 0. For each of the following...Ch. 8 - Prob. 8.69PAECh. 8 - Prob. 8.70PAECh. 8 - Prob. 8.71PAECh. 8 - Prob. 8.72PAECh. 8 - Prob. 8.73PAECh. 8 - Prob. 8.74PAECh. 8 - Prob. 8.75PAECh. 8 - Prob. 8.76PAECh. 8 - Prob. 8.77PAE
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- List the changes you would need to make to your answer for Question 11 if the requirements change so that you must store the year and the semester in which a student took a course and received a grade.arrow_forwardrules that are used by the DBMS during the optimization process of queries and the impact that this has on lowering the amount of work a DBA has to doarrow_forwardA university registrar's office maintains data about the following entities: courses including number, title, credits, syllabus, and prerequisites; course offerings, including course number, year, semester, section number, instructor, timings, and classroom; students, including student- id, name, and program; and instructors, including identification number, name, department, and title. Further, the enrollment ofstudents in courses and grades awarded to students in each course they are enrolled for must be appropriately modeled. Construct an E-R diagram for the registrar's office. Document all assumptions that you make about the mapping constraints.arrow_forward
- What exactly is face validity?arrow_forwardPlease describe the DBA's technical function's design and implementation duties.arrow_forwardWhat are the importance of data validation. What happens if you do not ensure your data is correct prior to entering it in the database? What are some methods for data validation?arrow_forward
- The criteria utilised by the DBMS during the optimisation of queries and the effect this has on reducing the quantity of work a DBA must perform.arrow_forwardWhen a DBMS optimizes a query, it may combine multiple heuristic rules and cost estimate strategies. How does this affect the DBA's workload?arrow_forwardThe rules used by the DBMS during the optimization of queries and the effect this has on reducing the amount of labor a DBA must do.arrow_forward
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