I. Reflexive II. Symmetric I. Transitive IV. Antisymmetric For each of the following tvpes of relations, indicate which properties they possess by writing (For example for a hypothetical relation R "R has properties numbers from the list I, III, IV" Partial Order Total Order Equivalence Relation

Q: Select all binary relation properties that apply to the following relation: Equal magnitude: |x| =…

A: An algorithm is a stepwise that procedure is  for solving a specific problem in a  number of steps.…

Q: Give six important properties of relations.

A: To be determine: Give six important properties of relations.

Q: Answer with a YES or NO. Given a relation R on set A={1,2,3,4}, such that aRb if and only if a + b.…

A:

Q: We studied different properties of relations like reflexive, symmetric, antisymmetric, transitive.…

A: Lets see the solution in the next steps

Q: Define the four properties of relations

A: The properties of the relations

Q: Consider the relation scheme R = {A, B, C, D, E, F, G, H} with the following set of functional…

A: Candidate keys are the set of smallest essential attributes that can generate all the values in the…

Q: 4D. The relation encoded by the matrix below is (select all that apply). [1 0 0 1 0 0 0 0 1 a…

A: A function is a relation or a mechanism in which every element x of any set X (domain of the…

Q: For each relation F, indicate if it is: reflexive, anti-reflexive, or neither; symmetric, anti-…

A: b.  For x,y ∈R,xFy if x≥y Reflexive if (x,x)∈R for every x∈F It is reflexive, Since x belongs to R…

Q: Consider the relation scheme R = {A, B, C, D, E, F, G, H} with the following set of functional…

A: I have given an answer in step 2.

Q: let R be a relation defined on the set z by aRb if a < b. What property/properties are violated? A.…

A: EXPLANATION: Any relation R that is defined on a set A can be reflexive or symmetric or transitive…

Q: Write the relation matrix for the Boolean nor. What is the identity for nor?

A: Given, Relation matrix fot the boolean nor, also find the identify for nor.

Q: Write the relation matrix for the Boolean nor. What is the identity for nor?

A: A logical matrix, binary matrix, relation matrix, Boolean network, or (0,1) matrix is a matrix with…

Q: 5. Write the relation matrix for the Boolean nor. What is the identity for nor?

A: The detailed explanation is provided below

Q: Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F = {CH -> G, A ->…

A: Actually, given information  Relation R has eight attributes ABCDEFGH. Fields of R contain only…

Q: Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F = {CH -> G, A ->…

A: Here we can see that D is not part of any FD's , hence D must be part of the candidate key.

Q: Relation R has eight attributes ABCDEFGH. Fields of R contain only atomic values. F = {CH -> G, A ->…

A: Actually, given information Relation R has eight attributes ABCDEFGH. Fields of R contain only…

Q: Given the relation R on the set of all integers defined by the rule (x, y) and only if x 2 y². a) i.…

A: In questions with many parts, we must answer the first one.

Q: FIELDS (ATTRIBUTES, COLUMNS) Field names sid пате login age gpa 50000 Dave dave@cs 19 3.3 53666…

A: Given, Figure 3.1 is the Student relation. Here in question 1 we want to find not candidate key…

Q: - Given the relations CLASS(ClassID, Cycle. Teachinghours) and STUDENT(StudentID, ClassID,…

A: Here in the given relations  A class is a Class with the attributes ClassID, Cycle, Teachinghours,…

Q: 3. How many non-trivial FD's may exist on relation S(A, B)? (a) 1 (b) (c) 3 (d) 4

A: First let's understand what is non trivial FD's . There are 2 conditions for that- 1. A-&gt; B 2. B…

Q: Give a set of FDs for the relation R (ABCD) with AB as primary key under which condition R is in 2NF…

A: Solution :  Given schema  R (ABCD) with AB as primary key If R has to be in 2NF, but not in 3NF then…

Q: 1.) Let R be a relation defined on the set Z by aRb if a < b. What property/properties are violated?…

A: Question 1: The Reflexive Property of a relation states that for every (x,x) belongs to relation R…

Q: 8. Consider the following relation instance of the CAR relation schema: CAR Model #cylinders Origin…

A: Actually, database is a used to stores the data.

Q: Let R and S be the following relations: R S А В С 3 1 2 13 2 2 3 1 А C D 13 2 1 2 3 2 3 1 3 2 1 Give…

A: 1. It is a Natural Join of the two tables. It joins two tables based on the common columns and shows…

Q: Consider relation R in the following E/R diagram. If E1 has 3 entities, E2 has 4 entities, and E3…

A: Given Data : Number of entities in E1 = 3. Number of entities in E2 = 4. Number of entities in E3 =…

Q: Determine whether the given relation is reflexive, symmetric, anti-symmetric and transitive (x, y)∈R…

A: Below is the answer with explanation:

Q: Suppose a relation R has attributes A, B and C that satisfies the functional dependency A-B and…

A: 1) 10 records will be retrieved.   2) Option-b is correct It is in 3NF but not in BCNF   3) Option-c…

Q: ases: Give six important properties of relations.

A: Required: Databases: Give six important properties of relations.

Q: Write a relation algebra based on the following algebra: Book (BookID, Price, Year, Author,…

A: Relation algebra uses operators to perform the query. It provides the theoretical foundation for…

Q: B. By determining whether each relation on the set A = {1,2,3,4} possesses the types of relation in…

A: R is reflexive if for all x  A, xRx. R is symmetric if for all x,y  A, if xRy, then yRx. R is…

Q: A relation R is given which is R(A,B,C,D,E). It has the following functional dependencies: BC -> D,…

A: A relation is in second normal form, if it is in first normal form and relation must not contain any…

Q: Assume the relation R over the set {0,1,2,3,4,5,6,7,8,9} where (a,b) ∈ R if and only if
 a+b < 10.…

A: 1. R is not a reflexive relation,because a+b&lt;10; therefore (9,9) does not exist; -&gt; it is…

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: In a relation R(A,, A2, A3,A4) if A, is candidate key then find the number of possible super keys.

A: Given: A relation having 4 attributes A1, A2, A3,A4. A1 is the candidate key. To Find: Number of…

Q: Consider the relation R(A,B,C,D,E,F,G) with the following functional dependencies: A-CDE, B F.…

A: Given Data : Relation :- A,B,C,D,E,F,G Dependency :- A-&gt;CDE , B-&gt;F

Q: Suppose RR is a relation with attributes A1,A2,…,AnA1,A2,…,An. How many superkeys will RR have if…

A: Given RR is a relation with attributes A1,A2,…,An  a) The only candidate key is A1 b) The only…

Q: List five properties of relations.

A: Given: five properties of relations.

Q: Write the reflexive, symmetric and transitive closure of the relation given b B={ c, d}, BRe={(c,c),…

A: reflexive transitive and symmetric closure of the relation

Q: Given the relations CLASS(ClassID, Cycle, T'eachinghours) and STUDENT(StudentID, ClassID, StudName).…

A: Concept used:- master child relationship using primary key and foreign key.

Q: Consider the relation sec course, which is the result of a many-to-one connection set sec course. Do…

A: Foreign keys are columns or groups of columns in a relational database table that serve as a…

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-&gt;b, d d -&gt; e, f Here a is primary key for the given…

Q: Classify the following into generalization (G), association (A), aggregation (AG), or composition…

A: Note : As per guidelines of the company, we can author 3 sub-parts of a question. Please repost…

Q: Transform ERD into Relation. (Major Name X SSN ID Date CreditHr Address Name STUDENT Takes COURSE

A: Here, we are given a Entity Relationship Diagram(ERD) And we have to transform it into Relation.…

Q: Write a C program that would: - Let the users accept a relation. - Input options should be in…

A: The C language is a computer programming language which was developed to do system programming for…

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

A:

Q: xercise 8.1.4: Arrow diagrams for relations on small finite sets.   Draw the arrow diagram for…

A: Actually, given question regarding finite sets.

Q: Give Some additional examples of strong and weak entity pairs?

A: Strong entity: It can exist without any other entity Example:Patient(Patientid, name, surname)

Q: Question 2. Let there be relation R(A, B, C, D, E) with FD set: {A → BC, C possible? D, D → A}. How…

A: total number of super key is :: 8   solution provided in step2

Q: 1. Let A = {0,1,2,3,4,5}. Write out the relation R that expresses greater than orequal on A. Then…

A: Answer :  let A = {0, 1, 2, 3, 4, 5} write and the relation R and that express &gt;= on A .

Q: Given a set of FDs for the relation schema R(C, A, N, D, Y) with the candidate keys (CN), (DN)). •…

A: Functional Dependency It is a constraint that determines the relation of 1 attribute to some other…