he set of functional dependencies (F) that hold over these attributes has been identified as follows. prov -> ppop, pgdp, pparty rid, rclass -> prov, pparty rid -> rpop, rclass fedparty -> assets, pcity fedparty, pcity, assets -> fedweb fedweb -> fedparty, assets candfn, candln, rid -> canddob, fedweb candfn, candln -> fedparty, rid rid, fedparty -> votes, candfn, candln fedparty, poll -> rep rep -> poll Question Compute Fc (the canonical cover of F)

Q: g set of five functional dependencies which hold on R: A → B A C BD → E EC → A E →G ompute the…

A: Closure (CE) = { C, E, G, A, B} Closure (AD) ={A, D, B, C, E, G}

Q: Suppose we have market basket data consisting of 100 transactions and 20 items. Compute the total…

A: Solution (a) Number of transactions =100 Number of item =20 Total number of association rule=…

Q: Normalise the following relation to remove modification anomalies showing all steps for 1NF, 2NF and…

A: An relational database contains tables which are also known as relations. A relation has tuples(or…

Q: Som: listinctions amon the term primary key, coralidate ky, ond buper ky:- set of A super ky is…

A: The article is about the differences among primaykey, superkey and candidate key.  Primary key is…

Q: relation R (W,I,S,D,O,M) with the following eight functional dependencies: F: {WI → S; D → OM; S →…

A: Note: Answering the first three subparts as per the guidelines. Given : F: {WI → S; D → OM; S → W;…

Q: Consider the relation schema R=VWXYZ, with the set of functional dependencies F = {VW->XY, V->X,…

A: Given, The relation schema R=VWXYZ, with the set of functional dependencies F = { VW → XY, V → X, W…

Q: DOL operates 1:M DEPARTMENT RTMENT has 1:M STUDENT RTMENT employs 1:M PROFESSOR RTMENT offers 1:M…

A: Business rule is used to define the relationship between two entities.this relationship should be bi…

Q: Given the following relation R and its functional dependencies: R(workerNumber, machineNumber,…

A: The given dependencies R is:

Q: the database relation R(a, b, d, e, f) ribute b and d are dependent only on a; e ly on d; and fonly…

A: The functional dependency possible are a -> b, d d -> e, f Here if we take closure of a, that…

Q: . Consider the relation R, which has attributes that hold schedules of courses and sections at a…

A: Let us first of all make use the following shorthand notation: C = the CourseNo, SN = the SecNo, OD…

Q: Consider the relation R, which has attributes that hold schedules of courses and sections at a…

A: Actually, the question is about Normalisation:

Q: Consider the following parking tickets.  Create ERD using Crow’s Foot notation with relationship…

A: A database is an organized collection of structured information, or data, typically stored…

Q: Here's a relation (R), its attributes and its functional dependencies (F): R(A, B, C, D, E, F, G)…

A: Given functional dependencies: BC -> DG CD -> F FG -> A 1. Closure of {ACD}+ is: {ACD}+ =…

Q: Given: 1. The universal relation schema Q(CTHRSG), where C = course, T = teacher, H = hour, R =…

A:

Q: 1.1Although the BCNF algorithm ensures that the resulting decomposition is lossless, it is possible…

A: Please find the answer to the above question below:

Q: b) Given the relation R(W,X,Y,Z). We have the following functional dependencies: XY W, Y-Z, YW→X,…

A: The answer is handwritten as it include some table data .the answer is given below

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A: Introduction: A weak entity set will always be better off if its main features are added to its…

Q: QUESTION 6 There will be three tables after converting the following conceptual diagram into the…

A: 6)  Answer :-- False It will converted into two table table A with two fields named field1 and…

Q: Exercise 1 Part 2 Consider the following information about the university database, D Professars…

A: The ER Diagram that follows is based on the information provided in the university question.

Q: QUESTION 4 Consider the following database schema for a library. Book (BooklD:int,…

A: Here is your answer

Q: in a database system the functional dependency preservation within relations is critically…

A: If in a database system the functional dependency preservation within relations is critically…

Q: A QUESTION 6 Consider the following database schema for a library. Book (BookID:int,…

A: The instances in a database schema, as well as their relationships, are described by the schema. It…

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A: To convert a weak entity set to a string set, simply add the primary key attributes from its…

Q: A weak entity set can always be made into a strong entity set by adding to its attributes the…

A: An entity set that does not have enough qualifications to make a key is called a weak business set.…

Q: Let relations r1(A, B, C) and r2(C, D, E) have the following properties: r1 has20,000 tuples, r2 has…

A: r1 requires 800 blocks and r2 requires 1500 blocks. Let assume M pages of memory. If M > 800, the…

Q: QUESTION 2 Consider the following database schema for a library. Book (BookID:int…

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Q: Given R ={A, B, C, D}, and the set of Functional dependencies A→BC, B→D. (a) Is the decomposition…

A: The Functional dependency we have are A->B A->C B->D A->D A)  If we decompose the…

Q: QUESTION 19 Eiven relation R(A, B, C, D, E, F, G, H, I, J) and the following set of function…

A: Given,  AB -> C A -> DE F - > GH D -> IJ A+ (Closure) = ADEIJ Explanation: A -> A…

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Q: Question 23. The database interface of a library allows searching only for a single attribute (such…

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Q: he database relation R(a, b, d, e, f) ibute b and d are dependent only on a; e y on d; and f only on…

A: The functional dependency possible are  a->b, d d -> e, f Here a is primary key for the given…

Q: 1) Let F be a set of functional dependencies given as: F = {A'- BC, B → C, A - B, AB → C}; Find…

A:

Q: QUESTION 5 Consider the following database schema for a library. Book (BookID:int,…

A: We have given a dbms tables for Book, Borrowing-Record, Customer. One data member of Book table…

Q: Question 23. The database interface of a library allows searching only for a single attribute (such…

A: Objective: It is stated that the database interface enables users to search only for a particular…

Q: 2.For each of the following relations with given functional dependencies, @Calculate canonical cover…

A: NOTE: According to the rules, only question (a) is to be answered (i) Fc is called a canonical cover…

Q: Question 1: Normalization Consider a relation X with six attributes WYSMFE where WS is a composite…

A: The given problem is related to database normalization where the relation X is given with its…

Q: What is best way to represent specialization/generalization hierachy if the participation and…

A: The question is on finding the best way to represent specialization/generalization hierachy if the…

Q: What is best way to represent specialization/generalization hierachy if the participation and…

A: What is best way to represent specialization/generalization hierarchy if the participation and…

Q: nvert the following ERD in Chen's notation to an ERD in IE notation. All entities, attributes, and…

A: The answer for the given question is as follows

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A: a) Given minimum support = 50%. Total number of items = 5 So, minimum support count = (number of…

Q: Database Management Systems (2) Assignment 2 A. Consider a relation R over the attributes a, b, c…

A: The answer is

Q: 1. What technique is used to model the situation that Student may have multiple addresses? A)…

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Q: let F, be a canonical cover for F; i:= 0; for each functional dependency a → B in F. i:= i+ 1; R, :=…

A: Answer :

Q: $1 S2 $3 S4 S5 Answer the following question according to the dependency diagram shown in the above…

A:

Q: Example for the violation of Domain, Entity and Referential Integrites: PRODUCT CUSTOMER PCode…

A: Lets see the solution.

Q: Given the following relation schema R(B, N, O, A, T, C) and the set of functional dependencies F =…

A:

Q: Computer Science 1.Consider a conceptual schema in which the only fact type associated with…

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Q: 9. Specify the take grant model using SPM. Let the subject type be subject and object type be…

A: TS=subjects TO= objects RC={tc,gc} RI={rc,wc} For all subjects p and qlink(p, q)=p/t dom(q) q/t…

Q: sider the following ER diagram illustrating the relationship of customers and banks DateAcctCreated…

A: Here the relationship between Bank and Customer is M:N(many to many).  So we need to create a new…