With reference to the criteria, what precisely do we mean when we say "complete and consistent"?
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Q: How can we specify the criteria such that they are both comprehensive and consistent?
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Q: What do we mean by "full and consistent" when we declare that criteria must be met?
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Q: How can we define exhaustive and logical criteria?
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Q: Could you perhaps elaborate on what we mean when we state that the criteria need to be…
A: Introduction: When developing a set of criteria, it is important to ensure that they are…
Q: With reference to the criteria, what precisely do we mean when we say "complete and consistent"?
A: Introduction: Usually, a good requirements document will include a development plan with additional…
Q: To be more specific, what do you mean when you say "interpolation of characteristics"?
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Q: The data requirements are summarized as follows: Each movie is identified by title and year of…
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Q: Kindly explain the flow of data on the diagram
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Q: What exactly do we mean when we say that the criteria must be "full and logically organized"?
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Q: When building a data model, why is it sometimes preferable to leave out certain information?
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Q: To be more clear, what do you mean when you say "interpolation of characteristics"?
A: When discussing the "interpolation of characteristics," we are referring to a process of estimating…
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- What is the degree of relationship?Give an example of a relationship of degree threeWHAT IS THE RELATIONSHIP THIS TABLE ZERO TO MANY OPTIONAL ? ONE TO MANY ? ONE MANDATORY ? ONE TO ONE ? ONE ? ZERO TO ONE ? MANY ? MANY TO MANY ? ONE OPTIONAL TO MANY OPTIONAL ? ONE MANDATORY TO MANY OPTIONAL ? MANY)You will need to create the database tables and choose sensible data types for each column.Make sure to maintain entity and referential integrity, and implement all the above constraints.Since other developers work in parallel on other parts of the system, you will need to strictly follow the above specification to correctly implemented in your database. Otherwise, the other software will not be able to use your database. This means, one needs to be able to rely on all constraints being correct, the spelling of table and column names being as given, and that the data types that you chose will allow for sensible data to be added to the database in the future.For testing purposes, you are asked to insert the data specified below into the tables, but no other data except this.In short:1. You will need to create the tables as specified2. You will need to add the data specified Please use the 3.sql and implement your tables using the sketched CREATE TABLE commands. Add the necessary queries…
- A college course may have one or more scheduled sections or may not have a scheduled section. Attributes of COURSE include Course ID, Course Name, and Units. Attributes of SECTION include Section Number and Semester ID. Semester ID is composed of two parts: Semester and Year. Section Number is an integer (such as 1 or 2) that distinguishes one section from another for the same course but does not uniquely identify a section. How did you model SECTION? Why did you choose this way versus alternative ways to model SECTION?When using subtype associations, talk about the database table choices that are accessible.Decide the design you want to employ and talk about the relevant issues.Write the business rules that are reflected in the ERD shown in Figure P2.15. (Note that the ERD reflects some simplifying assumptions. For example, each book is written by only one author. Also, remember that the ERD is always read from the “1” to the “M” side, regardless of the orientation of the ERD components.) FIGURE P2.15 THE CROW’S FOOT ERD FOR PROBLEM 15
- What exactly is a Ternary Relationship, and how does it function?A course instructor will assign grades from (A, B+, B, C+, C, D+, D, EJ. What is the minimum number of grades that must be assigned in order to guarantee at least one of the grades has been assigned 10 times.One hundred students were asked whether they had taken courses in any of the three subjects, Mathematics, Computer Science and Information Technology. The results were given below. 45 had taken Mathematics; 18 had taken Mathematics and Computer Science; 38 had taken Computer Science; 21 had taken Information Technology; 9 had taken Mathematics and Information Technology.; 4 had taken Computer Science and Information Technology and 23 had taken no courses in any of the subjects. Draw a Venn diagram that will show the results of the survey.
