Suppose relations R(A,B) and S(B,C,D) are as follows A1J1.116311467C03Compute the full outer join on D, the left outer join on B, and the right outer join on B. In each case, R is the left operand and S is the right operand. Then, answer the following questions for each of the three results:How many rows are there in the result?How many NULL's appear in the result?SD12Finally, find the correct statement in the list below,O a. The right outer join has 2 rows.O b. The right outer join has no NULLS.Oc. The full outer join has 3 NULLs.O d. The left outer join has 4 NULLS.

Left Outer Join: A left outer join is a type of join operation that combines records from two tables…

A S 1 3 10 11 2 6 1 4 6 8 C 5 7 9 D O a. The right outer join has 2 rows. O b. The right outer join has no NULLS. 1 Oc. The full outer join has 3 NULLS. Od. The left outer join has 4 NULLS. 2 Compute the full outer join on B, the left outer join on B, and the right outer join on B. 1. How many rows are there in the result? 2 Finally, find the correct statement in the list below, 3 How many NULL's appear in the result? each case, R is the left operand and S is the right operand. Then, answer the following questions for each of the three results:

A S 1 3 10 11 2 6 1 4 6 8 C 5 7 9 D O a. The right outer join has 2 rows. O b. The right outer join has no NULLS. 1 Oc. The full outer join has 3 NULLS. Od. The left outer join has 4 NULLS. 2 Compute the full outer join on B, the left outer join on B, and the right outer join on B. 1. How many rows are there in the result? 2 Finally, find the correct statement in the list below, 3 How many NULL's appear in the result? each case, R is the left operand and S is the right operand. Then, answer the following questions for each of the three results:

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

See similar textbooks

Related questions

Q: Let X = {0, 1}. (a) List (as subsets of X X X) all possible relations on X. This answer has not been…

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: For a modulus n > 1, consider the relation on Z where two integers x and y are considered kn for…

A: Dear learner, hope you are doing well, I will try my best to answer this question. Thank You!!

Q: Let R be a relation on A = {0, 2, 7, 8} and R = {(7, 2), (8, 8), (8,0), (2, 7), (2, 2), (7,0)}. Are…

A: The given relation R is defined on the set A = {0, 2, 7, 8}, and R = {(7, 2), (8, 8), (8, 0), (2,…

Q: Suppose relation R(A,B) has 5 tuples, S(B,C,D) has 3 tuples, and T(M,N) has 4 tuples. Also, suppose…

A: Given R(A,B) has 5 Tuples, S(B,C,D) has 3 tuples , and T(M,N) has 4 Tuples

Q: If the relation r has x tuples and relation s has y tuples, how many tuples are in r x s? A) x + y…

A: The answer is

Q: Select the following relations on that are transitive. {(a,b) a²> b} {(a, b) | a²b² (mod 7)}…

Q: 1. The Fibonacci numbers F(0), F(1), F(2), are defined by the recurrence relation: F(0) = 0,…

A: The complete Handwritten answer is solved below:

Q: Consider the relationship 9r+8t=27. a. Write the relationship as a function r=f(t).

A: See the answer in the second step.

Q: Let A={1,2,3} and B={4,5,6). The set X={(1,4),(3,6),(2,4),(1,5)} is: O a relation between from A to…

Q: 1. If we project the relation R(A,B,C,D,E) with dependencies A→→BC, B→D, and C→→E onto S(A,C,E),…

A: Answer is given below-

Q: Define a relation as follows: ARA = {(a, b) , (a, c), (b, c)} Select the properties that the…

A: Answer to the above question is in step2.

Q: For each pair of functions below, select the correct answer for their relation in terms of orders of…

A: Big-O is a mathematical notation that expresses how efficient an algorithm is in the worst-case…

Q: (2) Suppose the input of a USES relation graph is represented with adjacency list, develop a…

A: Given that suppose the input of a USES relation graph is represented with adjacency list, develop a…

Q: Define relations R₁,..., R6 on {1, 2, 3, 4} by R₁ = {(2, 2), (2, 3), (2, 4), (3, 2), (3, 3), (3,4)},…

A: Given Data, Define refations R1, .., R6 {1,2,3,4} by R1= {(2,2),(2,3),(2,4), (3,2), (3,3),…

Q: Create a dfa for L = {w ∈ {a, b}∗|na(w) and nb(w) are both even.}

A: To create a DFA with a's and b's, there will be 4 cases or conditions to consider. They are: Even…

Q: The given figure shows the module decomposition of a Use set to represent the grouped modules for…

A: The given figure shows the module decomposition of a Use set to represent the grouped modules for…

Q: Let R be the relation R = {(a, b) | a < b} on the set of integers. Find a) R-!. b) R.

A: a)R-1

Q: Set of FDs:F = {A → B€, CD → E,B → D, E → A} Question: Is R in BCNF?

Q: Could you tell a step by step procedure of finding a super key for A relation R(A,B,C,D, E) having…

A: Solution - In the given question, we have to find the super key of the given relation R(A,B,C,D,E).…

Q: The reflexive and transitive closure of the relation A = {(0,1),(1,2)} on B = {0,1,2} is…

A: Here in this question we have given a relation on some set B. and we have asked to find the…

Q: Let R(A, B, C, D) be a relation with FD's: A → B, C → D, AD → C, and BC → A. If we decompose R into…

A: Answer to the above question is in step2.

Q: Let A = {a, b, c} Define a relation as follows: ARA = {(a, b), (a, c), (b, c)} To obtain the…

A: A relation R is reflexive if and only if (a, a) ∈ R , ∀a ∈ A Here, A = {a, b, c} Therefore, (a,…

Question

Suppose relations R(A,B) and S(B,C,D) are as follows

A
1
J
1.
11
6
3
11
4
6
7
C
0
3
Compute the full outer join on D, the left outer join on B, and the right outer join on B. In each case, R is the left operand and S is the right operand. Then, answer the following questions for each of the three results:
How many rows are there in the result?
How many NULL's appear in the result?
S
D
1
2
Finally, find the correct statement in the list below,
O a. The right outer join has 2 rows.
O b. The right outer join has no NULLS.
Oc. The full outer join has 3 NULLs.
O d. The left outer join has 4 NULLS.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Left outer join, right outer join and full outer join:

VIEW

Step 2: Left outer join:

VIEW

Step 3: Right outer join:

VIEW

Step 4: Full Outer Join:

VIEW

Step 5: Correct statement:

VIEW

Solution

VIEW

Step by step

Solved in 6 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

DB_Design:GA7.5. 3NF Decomposition 2 Consider the functional dependencies on R(A,B,C,D,E,F): A->D;AB->C;AC->B;B->E;C->F Decompose the above relation into 3NF. All relations with the same LHS of the minimal FD should be grouped in one relation. e.g. A->B;A->C, ==> A->BC Give your relations an arbitrary and UNIQUE one-character name. e.g. A->B; B->C on relation S(A, B, C) decomposes into: V(A,B); P(B,C) Relations:
Can you help me with part 1 please? Thanks
let S = {s1, s2, s3, s4, s5}. Give an example of an equivalence relation R on S such that S/R has three elements and one equivalence class of R has at least three elements. Justify your example is correct by listing all of the elements of S/R and all of the elements in each equivalence class of R.
29. The complementary relation R is the set of ordered pairs {(a, b)|(a, b) € R}. Let R be the relation, R = {(a,b)|a divides b} on the set of positive integers. Thus, R equals to A. R = {(a, b)|a is the multiple of b} B. R = {(b, a)|b is the multiple of a} %3D C. R = {(b, a)|b divide a} D. R = {(a, b)|a does not divide b}
Select all binary relation properties that apply to the following relation: Equal magnitude: |x| = lyl O antisymmetric O reflexive O symmetric O transitive
Given the relation T below, use ordered pair notation to express the relation To T. ToT { Ex: (a, b), (b, c) b Lo a с } T
MC 2 Write a Python function that determines whether a given relation R on S = {1, 2, 3, 4} is transitive but not reflexive. Then apply this functions to all relations R on S to count how many of them are transitive but not reflexive. Show your program and the number of transitive but not reflexive relations on S it found. . THE COUNT IS IMPORTANT
4. Draw the Hasse Diagram for the following partial orderings.(a) S = {a, b, c} and ρ = {(a, a),(b, b),(c, c),(a, b),(b, c),(a, c)}(b) S = {a, b, c, d} and ρ = {(a, a),(b, b),(c, c),(d, d),(a, b),(a, c)}(c) S = {∅, {a}, {a, b}, {c}, {a, c}, {b}} and AρB ↔ A ⊆ B.
Let R be the relation on the set {a,b,c,d} containing the ordered pairs (a,a), (a,c), (b,b), (b,c), (b,d), (c,b), (c,c), (d,a) and (d,d). Find R².
List all 3-tuples in the relation {(a,b,c)| abc = 6} where a, b and c are all positive integers.
a) Define a relation R on R (the set of all real numbers) as follows: For all x, y E R, xRy → x < y. Is R reflexive, symmetric and transitive?
Determine which of these relations are reflexive. The variables x,y,x',y' represent integers. A. x~y if and only if x+y is even B. x~y if and only if x+y is odd C. x~y if and only if x+y is positive D. x~y if and only if xy is positive E. x~y if and only if x-y is a multiple of 10