FIGURE P2.15 The Crow's Foot ERD for Problem 19 PUBLISHER BOOK publishes sub mits wrtes キ CONTRACT AUTHOR signs usiness rule is an explanation that forces some type of requirement on a particular part of se, like the components inside a field detail for a specific field or the attributes of a given re
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- When we type a reference, we design a pattern for using the reference. Explain down what a topics that can be included in a pattern?How does one go about constructing an ADT? With your comment, fill in the spaces.Complete questions 2-7 Note: Complete questions 2-7 in part B of the Garden Glory Project on p.129 and 130 of the textbook (8th edition). There may be more than one service performed at a property on a given date. Use this information when you answer questions. Comment on each question whether a given design is good and provide reasons for that. For example, the answer for Q1 is “This design is not appropriate because the designated Primary Key (PK) (PropertyName) in the table cannot determine some other attributes of the same table (e.g., ServiceDate, Description, Amount); in other words, the designated PK is not unique”. Your answers need to be specific and should clearly pinpoint the design problem with references to the relevant attributes in the table and the reason of violation. Any vague answer like “This design is bad because the PK is not good”, are wrong. Note that the foreign keys are italicized instead of dashed underlined. Clearly label answers for each question.…
- Please complete the exercise as instructed and do not use global variables. As well follow the guidelined of what the solution cannot use provided in the second picture. Thank you!How to decide if your variable should be declared as an enum type or any other data types? Support your answer with examples. plz avoid copied answers, my assignment will be submitted through turnitin and plagiarism will be detected.Add boundary, control, and entity classes. Please explain additions.
- Complete the ERD below by dragging the ends of crows feet and the specialization hierarchy symbols to their correct location. The XYZ Company has a motor pool and wants to track scheduled and unscheduled maintenance to each of the vehicles in its fleet. Each vehicle is assigned a unique unit number that will be used on all paperwork and is displayed on the vehicle. In addition to the unit number all vehicles have a unique Vehicle Identification Number (VIN) that is a long and complex string of letters and numbers, and all vehicles belong to one of three types "T" for trucks, "R" for trailers, and "A" for automobiles. For trucks, we need to know the Gross Vehicle Weight (GVW) and the type of trailer hitch (if it has one). For trailers, we need to know their length, the maximum weight allowed, the type of trailer (Van, Reefer, Low Boy, Flat…), and the required hitch type. For automobiles, we need to know how many adults it will seat, its color, and if it is a "4 wheel drive". Maintenance…Complete the ERD below by dragging the ends of crows feet and the specialization hierarchy symbols to their correct location. The XYZ Company has a motor pool and wants to track scheduled and unscheduled maintenance to each of the vehicles in its fleet. Each vehicle is assigned a unique unit number that will be used on all paperwork and is displayed on the vehicle. In addition to the unit number all vehicles have a unique Vehicle Identification Number (VIN) that is a long and complex string of letters and numbers, and all vehicles belong to one of three types "T" for trucks, "R" for trailers, and "A" for automobiles. For trucks, we need to know the Gross Vehicle Weight (GVW) and the type of trailer hitch (if it has one). For trailers, we need to know their length, the maximum weight allowed, the type of trailer (Van, Reefer, Low Boy, Flat…), and the required hitch type. For automobiles, we need to know how many adults it will seat, its color, and if it is a "4 wheel drive". Maintenance…Complete the ERD below by dragging the ends of crows feet and the specialization hierarchy symbols to their correct location. The XYZ Company has a motor pool and wants to track scheduled and unscheduled maintenance to each of the vehicles in its fleet. Each vehicle is assigned a unique unit number that will be used on all paperwork and is displayed on the vehicle. In addition to the unit number all vehicles have a unique Vehicle Identification Number (VIN) that is a long and complex string of letters and numbers, and all vehicles belong to one of three types "T" for trucks, "R" for trailers, and "A" for automobiles. For trucks, we need to know the Gross Vehicle Weight (GVW) and the type of trailer hitch (if it has one). For trailers, we need to know their length, the maximum weight allowed, the type of trailer (Van, Reefer, Low Boy, Flat…), and the required hitch type. For automobiles, we need to know how many adults it will seat, its color, and if it is a "4 wheel drive".…