Question: Q 3 3 Points Grading comment: Assume select * from R , S where R . A = S . A , with nR =

Q3
3 Points
Grading comment:
Assume select * from R,S where R.A=S.A, with nR=10000nR=10000 and NS=1000NS=1000.
Question 3.1 Result size estimation
Q3.1 Result size estimation
1 Point
Grading comment:
How many tuples if R.AR.A is a key, but S.AS.A is not?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

1. (4 points) Solve the inequality 3 -4x+5 for x and write the answer using interval notation. 2. (6 points) Prove the following equation. Assume that b > 0, b 1, x > 0, and y > 0. E q 3. (5...

Q:

Overview and Guidelines This Course Project is the signature assignment of the ACCT500. Please submit the solution to the Course Project in the assignment section of the respective week. The Course...

Q:

In this question assume that p and q are atomic formulae. (a) Compare and contrast path formulae and state formulae in temporal logic. [4 marks] (b) Describe and contrast the meanings of F(G p) and...

Q:

I need help with this please. Essentially I need to complete each of the functions listed within the directions. The main functions are just for testing the listed functions. A sample output would be...

Q:

Java Implementation Need ASAP .......PLS /** * A Matrix has two dimensions: rows and columns. Each cell in the matrix * stores an integer value, and it can be uniquely identified via * a row number...

Q:

Goal: I will practice using vectors and Git. I will also learn to follow good programming style. Instructions: Create a new project: student/04/carpet. Your task is to implement a mystery carpet,...

Q:

AFTER TAX INVESTMENT ANALYSIS Use a 3 year holding period to decide whether or not this is a financially feasible investment. Compute the after-tax NPV and IRR. Comment on your final on your...

Q:

All these are in proper sequence. please solve it. I Cannot increase the Font Size more, So can you please manage to answer. Please see below for your group project variables. A B C D E F G H 1 K L M...

Q:

I Question 2: We discussed the merge-join algorithm for an equi-join r Nr. A=s.B s, when both relations are sorted in ch12.pptx. The pseudo code is shown in the slide 12.32 in ch12.pptx and discussed...

Q:

**Need Help In C Programming ASAP** Abstract In this programming assignment, you will implement a Fibonacci function that avoids repetitive computation by computing the sequence linearly from the...

Q:

A perfect number is a number that can be written as the sum of its factors, (equal to sum of its proper divisors) excluding the number itself. For example, 6 is a perfect number, since I + 2 +3 = 6,...

Q:

Book name:Programming Fundamentals Answer the questions below concerning the following fragment of code. int n; cout > n; if (n 0) cout

Q:

I need the correct answer to this general accounting problem using the standard accounting approach. Nova Services, a sole proprietorship, began the year with total assets of $160,000 and liabilities...

Q:

2. A restaurant kitchen has one oven and three cooks. If the restaurant is suffering from diminishing returns, what can it do to solve the problem? 3. Why does an entrepreneur stay in a competitive...