List the operations of relational algebra and the purpose of each.
Question:
List the operations of relational algebra and the purpose of each.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 57% (7 reviews)
Five basic operations in relational algebra Selection Projection Carte...View the full answer
Answered By
Sandra Dimaala
Sandra from Philippines ,LICENSED PROFESSIONAL TEACHER.
Teachers are our nation builders—the strength of every profession in our country grows out of the knowledge and skills that teachers help to instill in our children. And, as a nation, we must do much, much more to fully appreciate and support their work.
0.00
0 Reviews
10+ Question Solved
Related Book For
Fundamentals Of Database Systems
ISBN: 9780133970777
7th Edition
Authors: Ramez Elmasri, Shamkant Navathe
Question Posted:
Students also viewed these Computer science questions
-
Show how you can specify the following relational algebra operations in both tuple and domain relational calculus. (a) SELECT A=c (R(A, B, C)): (b) PROJECT (R(A, B, C)): (c) R(A, B, C) NATURAL JOIN...
-
List implicit constraints in the relational database model.
-
List four bases for special purpose financial statements. Why is it important that the audit report clearly identify the basis of accounting used in the preparation of the financial statements?
-
Calculate the dollar proceeds from the FIs loan portfolio at the end of the year, the return on the FIs loan portfolio, and the net interest margin for the FI if the spot foreign exchange rate has...
-
Figure the estimated effect size for problems (a) 4 (b) 5 (c) 6. (d) Explain what you have done in part (a) to someone who understands the t test for independent means but knows nothing about effect...
-
Mega Corporation just became a public corporation when shares of stock were sold to the public three months ago. A new board of directors has been appointed to govern the corporation. Assume that you...
-
Draw a free-body diagram for the person in Exercise 8.4. Data from Exercises 8.4 Consider a person hanging motionless from a ring suspended from a cable, with the person's feet not touching the...
-
The relationship between a bonds yield to maturity and coupon interest rate can be used to predict its pricing level. For each of the bonds listed, state whether the price of the bond will be at a...
-
(a) A company has an EPS of Rs. 2.5 for the last year and the DPS of Rs. 1. The earnings is expected to grow at 2% a year in long run. Currently it is trading at 7 times its earnings. If the required...
-
Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...
-
Consider the following view, DEPT_SUMMARY, defined on the COMPANY database in Figure 5.6: State which of the following queries and updates would be allowed on the view. If a query or update would be...
-
What role does the concept of foreign key play when specifying the most common types of meaningful join operations?
-
What are some of the important characteristics of tone at the top and control environment?
-
Shown in the figure below is a two-dimensional feature space corresponding to two features, and 12, with the shaded region corresponding to a class with y = +1 and the region outside as a class with...
-
Given below are comparative statements of financial position (balance sheets) and an income statement for Agon Corporation. Agon Corporation Balance Sheets - Year 2 Accounts December 31 January 1...
-
You are an audit manager with a CPA firm that has been approached by a prospective client who wants to engage your firm to perform an audit for the current year. The prospective client is a small...
-
How do you go about getting the equipment repaired if its above 10 Level? When a piece of your Equipment cannot be fixed at the lowest level possible (10 LVL), what is the process for that equipment...
-
German insurance giant Allianz recently more than quadrupled its global advertising budget. If you worked for a direct competitor of Allianz that used the industry averages method for advertising...
-
Directed Graphs a directed graph is a finite set of points, called nodes, and an associated set of paths or arcs, each connecting two nodes in a given direction. (See Fig. 3. 1 .6.) Think of the arcs...
-
Given the table below, about how much force does the rocket engine exert on the 4.0 kg payload? Distance traveled with rocket engine firing (m) Payload final velocity (m/s) 500 320 490 310 1020 450...
-
Suppose we are given a directed graph G with n vertices, and let M be the nÃn adjacency matrix corresponding to G. a. Let the product of M with itself (M 2 ) be defined, for 1¤i, j...
-
Inside the Castle of Asymptopia there is a maze, and along each corridor of the maze there is a bag of gold coins. The amount of gold in each bag varies. A noble knight, named Sir Paul, will be given...
-
Consider a diagram of a telephone network, which is a graph G whose vertices represent switching centers, and whose edges represent communication lines joining pairs of centers. Edges are marked by...
-
Exercise I 1. Define: a) PRODUCTIVITY b) FACTORS OF PRODUCTION c) GOODS d) DURABLE GOODS e) SERVICES f) PRIMARY PRODUCTION g) SECONDARY PRODUCTION h) TERTIARY PRODUCTION 2. Label the diagram below...
-
The preliminary cost for a 51,000 ft aircraft hangar must be estimated. The budget limit came in at $4.1 million. Perform two analyses: determine the maximum allowed size to be within budget at the...
-
Experiments with correlations and standard deviations The marks for a group of four students in two examinations were: Mathematics: Ann: 60, Bill: 75, Sue: 85, Dan: 90 English: Ann: 50, Bill: 48,...
Study smarter with the SolutionInn App