Sorry but I don't understand anything with your explication , can you please read the text and give me a WRITE solution

Q: Suppose ρ is the relation defined on P({1, 2, 3}) in which, for A, B ∈ P({1, 2, 3}), AρB means "A…

A: Given: P({1, 2, 3}) A, B ∈ P({1, 2, 3}) AρB means "A and B both have exactly 2 elements."  ρ is…

Q: Make a hybrid merge-join variant that works in scenarios where neither relation is physically sorted…

A: Introduction: Merge join and hybrid merge join are different. Before utilising merge join, we sorted…

Q: For the ER diagram below, which of these statements is correct? Check all that apply. A B There are…

A: answer :- option B) all rows in A are linked to at most one row in B.

Q: Given the relation U below, use ordered pair notation to express the relation U o U. U o U = { Ex:…

A: To express the relation UoU (composition of relations U and U), find all pairs (x, y) such that…

Q: Consider the relation Project(pid,name,budget) with relation instances {(100,'GOTAM',30000),…

A: We need to find the degree of the given relation.

Q: 1. Given each relation write down the properties that the relation has. If the relation does not…

A: Below is the answer with explanation:

Q: One of the benefits from Graph Database is it is significantly faster than traditional Relational…

A:

Q: oximiation, and how can it be performed using fuzzy rel

A: Introduction: Below describe the approximation and how can it be performed using fuzzy relation?

Q: One of the benefits from Graph Database is it is significantly faster than traditional Relational…

A:

Q: Assume that we have four relations R(A, B), S(A,C), T(A,D) and U(A, E) and the size (i.e., the…

A: Hash join: Hash join is used in relational database system. It is used to perform nature join or…

Q: A link like the second course can be built from a collection of many-to-one relationships. Do the…

A: Consider a connection: That results from a many-to-one relationship with limitations on the primary…

Q: For the following number patterns write the recurrence relation i) 5, 8.2, 11.4, 14.6, …. ii) 400,…

A: Recurrence relation for above are:      i)  an  = an-1 + 3.2            ;  n >= 1     a0  = 5

Q: b) Express the following relation using a set-builder notation R = {(1, 2), (2, 6), (3, 9), (4, 16),…

A: Set-builder notation is a mathematical notation for describing a set of representations.

Q: Construct a field with 5 elements. Draw the tables of addition and multiplication. Hint 1. Let the…

A: Here is the table of addition for the field with 5 elements {0, 1, a, b, c}: +  | 0  1  a  b…

Q: A link like the second course can be built from a collection of many-to-one relationships. Do the…

A: Consider a connection: That results from a many-to-one relationship with limitations on the primary…

Q: Consider the relation Project(pid,name,budget) with relation instances {(100,'GOTAM',30000),…

A: The cardinality of the above relation is 4  Cardinality is just number of tuples in a relation.

Q: SELECT * FROM INFORMATION_SCHEMA. TABLES WHERE (TABLE SCHEMA = 'KIMTAY');

A: Answer: Given some SQL command is given and we need to describe the SQL command

Q: Question 9: The maximum number of superkeys for the relation schema R(E,F,G,H) with E as the key is…

A: The maximum number of superkeys for the relation schema R(E,F,G,H) with E as the key is 8. Option 4…

Q: For each of the following pairs of expressions, give instances of relations thatshow the expressions…

A: Right Outer Join: When two tables are joined using Right Outer Join, all the records from the second…

Q: A bridge/joint table is just what it sounds like. What should you do instead? What's wrong with the…

A: The answer is given below step.

Q: Make a version of the hybrid merge-join method that works when both relations are not physically…

A: The hybrid merge-join method can be modified to work with relations that are not physically sorted…

Q: "Observe that the values of h(n) seem to be related to powers of 3" In what way are 2, 5, 14, and…

A: h(n) = {1 if n = 1; 3 × h(n - 1) - 1 otherwise}We need to express this in polynomial/xponential…

Q: If you want to find out parent and child relationship in the same table as Product and Sub Product…

A: Regular join: When the parent and child tables preserves the referential-integrity, then it can…

Q: I. Reflexive II. Symmetric I. Transitive IV. Antisymmetric For each of the following tvpes of…

A: - The question wants to know that what categories fell under the partial , total and equivalence…

Q: Given the relations U and T below, use ordered pair notation to express the relation To U. ToU =…

A: To express the composition of relations T and U (T o U) in ordered pair notation, we need to…