Describe the purpose of the SELECT command in relational algebra.
Question:
Describe the purpose of the SELECT command in relational algebra.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 58% (12 reviews)
The SELECT c...View the full answer
Answered By
Rehab Rahim
I am well versed in communicating and teaching in areas of all business subjects. I have helped many students in different ways from answering answers to writing their academic papers.
5.00+
1+ Reviews
10+ Question Solved
Related Book For
Concepts of Database Management
ISBN: 978-1285427102
8th edition
Authors: Philip J. Pratt, Mary Z. Last
Question Posted:
Students also viewed these Computer science questions
-
Describe the purpose of the SUBTRACT command in relational algebra.
-
Describe the purpose of the UNION command in relational algebra.
-
Describe the purpose of the INTERSECT command in relational algebra.
-
The core problem of a command-and-control approach to environmental policy is its inherent bias or tendency to standard-setting practice that is uniformly applicable to all situations. For example,...
-
Explain the monetary unit concept
-
Show that for a double-slit Fraunhofer pattern, if = mb, the number of bright fringes (or parts thereof) within the central diffraction maximum will be equal to 2m.
-
Assume that \(30 \%\) of the laser diodes in a batch of 100 meet the minimum power requirements of a specific customer. If a laser diode is selected randomly, that is, each laser diode is equally...
-
Total marketing effort is a term used to describe the critical decision factors that affect demand: price, advertising, distribution, and product quality. Let the variable x represent total marketing...
-
You placed $6,599 in a savings account today that earns an annual interest rate of 3 percent compounded annually. How much you will have in this account at the end of 2 years?
-
Calculate the NPV of the proposed overhaul of the Vital Spark, with and without the new engine and control system. To do the calculation, you will have to prepare a spreadsheet table showing all...
-
If a column has high selectivity or cardinality, which index type is most appropriate? a. IOT b. B-tree c. Bitmap d. Function-based index
-
Describe the purpose of the PROJECT command in relational algebra.
-
Assume that the U.S. interest rate is 7 percent and the euros interest rate is 4 percent. Assume that the euros forward rate has a premium of 4 percent. Determine whether the following statement is...
-
Which of the following revenues would typically not be classified as a general revenue on the Statement of Activities? a. Property taxes. b. Sales taxes. c. Unrestricted grant. d. Parking fines. e....
-
Which of the following is not a common characteristic of a VHWO? a. Typically, no fees or only minimal fees are charged for services that a VHWO provides. b. Resource providers are typically the...
-
Virgie Township is retiring Enterprise Fund bonds before their maturity date. How does the difference between the amount paid to retire the debt and the carrying value of the debt affect interest...
-
When a capital asset of a department reported in a proprietary fund is transferred to a general government department, the effect of the transaction is reported as: a. a transfer in both the...
-
When capital assets purchased from General Fund revenues were received, the appropriate journal entry was made in the General Capital Assets accounts. What account, if any, should have been debited...
-
How would you describe Big Data? What are some of the most significant sources of competitive advantage that Big Data offers?
-
Record the following selected transactions for March in a two-column journal, identifying each entry by letter: (a) Received $10,000 from Shirley Knowles, owner. (b) Purchased equipment for $35,000,...
-
Why is it a good idea for the DBMS to update the catalog automatically when a change is made in the database structure? Could users cause problems by updating the catalog themselves? Explain.
-
What are nulls? Which field cannot accept null values? Why?
-
State the three integrity rules. Indicate the reasons for enforcing each rule.
-
Can we justify the acquisition of Peloton Interactive Inc using NPV assuming the initial investment is 10% of the total market value of the company, 5% constant growth rate for the next three years...
-
Mary would like to save $10,000 at the end of 5 years for a future down payment on a car. How much should she deposit at the end of each month in a savings account that pays 1.2%/a, compounded...
-
AA stock price is $45/share. The stock is expected to pay dividends $2.50 in the coming year. After reviewing all information, you concluded: the price one year from now will be $50/share and you...
Study smarter with the SolutionInn App