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Homework Answers
Following is the dependency diagram of the table:
Explanation:
Key Attributes: Here, Prod_code, Inv_No, Vendor_ID, and Purchase_date are the key attributes of the table.
Non-key Attributes: All the attributes which are not a key attributes are called non-key attributes.
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Please attempt the question if you know answer. Answer in 1
hr
Draw a dependency diagram...
Decompose the given relation into relations in 2NF. For each of the new relations, draw a functional dependency diagram, and state if it is in 3NF and why. If your answer is no, describe how to normal...
Decompose the given relation into relations in 2NF. For each of
the new relations, draw a functional dependency diagram,
and state if it is in 3NF and why. If your answer is no, describe
how to normalise the relation to be in 3NF
(c) The relation appointment is given below: appointment (patientID, patientName, patientAddress, aDate, aTime, nurseiD, nurseName, notes) where the primary key is underlined. It records the details of patient appointments with nurses. (i) Draw the functional dependency diagram...
will thumbs up please show all work Please draw the AON diagram using the dependency matrix...
will thumbs up please show all work
Please draw the AON diagram using the dependency matrix below Predecessor activity (upstream) Successor activity (downstream)
1. (30 points: 15 each) INormalization: 4NFI Consider the relation SUPPLY below (right), mapped from the...
1. (30 points: 15 each) INormalization: 4NFI Consider the relation SUPPLY below (right), mapped from the ternary relationship SUPPLY in the ER diagram below (left), and answer the questions below Sname Quantity ProiName SUPPLY SUPPLIER N PROJECT SUPPLY Sname ProjName PartNo Quantity Date Parte PART a) Show all functional dependencies and multivalued dependencies applied to the attributes in the SUPPLY relation. Use box notations like Figure 14.13 (note: single arrow head for functional dependency and double arrowhead for multivalued dependency)....
can someone please help me ? Given the dependency diagram shown answer items: What is the...
can
someone please help me ?
Given the dependency diagram shown answer items: What is the dependency shown A FIGURE Q6.6 DEPENDENCY DIAGRAM FOR QUESTION 6 C1 C2 C3 C4 C5
need help! 1. To keep track of vendors and products they supply, XYZCorp. uses the table...
need help!
1. To keep track of vendors and products they supply, XYZCorp. uses the table structure shown below. Assuming that the sample data are representative, draw a dependency diagram in Visio that shows all functional dependencies including both partial and transitive dependencies. (Hint: Look at the sample values to determine the nature of the relationships.) VEND TYPE Non-profit organization Non-profit organization Profit organization Profit organization Profit organization PART CODE 1234 PART DESC Logic Chip VEND NAME Fast Chips VEND...
The following is the relation notation of the Veterinary Office List. VETERINARY_OFFICE (PetID, PetName, PetType, PetBreed,...
The following is the relation notation of the Veterinary Office List. VETERINARY_OFFICE (PetID, PetName, PetType, PetBreed, OwnerID, OwnerLastName, OwnerFirstName, ServiceDescription, ServiceDate, ServiceCharge) The functional dependencies are given below: PetID -> PetName, PetType, PetBreed, OwnerID, OwnerLastName, OwnerFirstName OwnerID -> OwnerLastName, OwnerFirstName ServiceDescription -> ServiceCharge PetID, ServiceDate -> ServicedDescription, ServiceCharge Assumption: A pet belongs to only one owner, while an owner may have more than one pet. A pet receives at most one treatment on any given date. Use the functional dependencies...
2. The following is the relation notation of a table for a veterinary office. [70 pts....
2. The following is the relation notation of a table for a veterinary office. [70 pts. total] VETERINARY_OFFICE (PetID, PetName, PetType, PetBreed, OwnerID, OwnerLastName, OwnerFirstName, ServiceDescription, ServiceDate, ServiceCharge) The functional dependencies are given below: PetID -> PetName, PetType, PetBreed, OwnerID, OwnerLastName, OwnerFirstName OwnerID -> OwnerLastName, OwnerFirstName ServiceDescription -> ServiceCharge PetID, ServiceDate > ServiceDescription, ServiceCharge Assumptions: 1)A pet belongs to only one owner, 2) an owner may have more than one pet, 3A pet receives at most one treatment on any...
Please DONOT attempt this Big O question if you don't know the exact answer. Algorithms question...
Please DONOT attempt this Big O question if you don't know the exact answer. Algorithms question (Big O): Please explain me in details the order of growth (as a function of N) of the running times of each of the following code fragments: a) int sum = 0; for (int n = N; n > 0; n /= 2) for(int i = 0; i < n; i++) sum++; b) int sum = 0; for (int i =...
Answer the following questions: Consider the relation schema R = (N. Y, P. M. and assume...
Answer the following questions: Consider the relation schema R = (N. Y, P. M. and assume that the following set of functional dependencies holds on R: The letters can be interpreted as follows: R=(Model_Number. Year, Price, Manufacturing Plant Color). 1. [25 points] Give a lossless.join decomposition of Rinto Boyce-Codd normal form. Make sure to use the algorithm studied in class (Figure 7.11, page 331 of the book) and to show all details. 2. [25 points] Does your decomposition preserve functional dependencies? Justify your...
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Please help me with this question (( clear draw Please)) Draw the network diagram, including all calculations of nodes using the following format: Early Start Duration Early Finish Task Name Late Sta rt Slack Late Finish List the networkpaths below: Determine the criticalpath(s). What is it and what is its duration? Activity Duration Dependency Start 0 A 6 Start B 1 A C 3 A,B D 5 A, B E 12 Start F 4 D, E G 2 C, F...
Decompose the given relation into relations in 2NF. For each of
the new relations, draw a functional dependency diagram,
and state if it is in 3NF and why. If your answer is no, describe
how to normalise the relation to be in 3NF
(c) The relation appointment is given below: appointment (patientID, patientName, patientAddress, aDate, aTime, nurseiD, nurseName, notes) where the primary key is underlined. It records the details of patient appointments with nurses. (i) Draw the functional dependency diagram...
will thumbs up please show all work
Please draw the AON diagram using the dependency matrix below Predecessor activity (upstream) Successor activity (downstream)
1. (30 points: 15 each) INormalization: 4NFI Consider the relation SUPPLY below (right), mapped from the ternary relationship SUPPLY in the ER diagram below (left), and answer the questions below Sname Quantity ProiName SUPPLY SUPPLIER N PROJECT SUPPLY Sname ProjName PartNo Quantity Date Parte PART a) Show all functional dependencies and multivalued dependencies applied to the attributes in the SUPPLY relation. Use box notations like Figure 14.13 (note: single arrow head for functional dependency and double arrowhead for multivalued dependency)....
can
someone please help me ?
Given the dependency diagram shown answer items: What is the dependency shown A FIGURE Q6.6 DEPENDENCY DIAGRAM FOR QUESTION 6 C1 C2 C3 C4 C5
need help!
1. To keep track of vendors and products they supply, XYZCorp. uses the table structure shown below. Assuming that the sample data are representative, draw a dependency diagram in Visio that shows all functional dependencies including both partial and transitive dependencies. (Hint: Look at the sample values to determine the nature of the relationships.) VEND TYPE Non-profit organization Non-profit organization Profit organization Profit organization Profit organization PART CODE 1234 PART DESC Logic Chip VEND NAME Fast Chips VEND...
Answer the following questions: Consider the relation schema R = (N. Y, P. M. and assume that the following set of functional dependencies holds on R: The letters can be interpreted as follows: R=(Model_Number. Year, Price, Manufacturing Plant Color). 1. [25 points] Give a lossless.join decomposition of Rinto Boyce-Codd normal form. Make sure to use the algorithm studied in class (Figure 7.11, page 331 of the book) and to show all details. 2. [25 points] Does your decomposition preserve functional dependencies? Justify your...
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