Describe the purpose of the UNION command in relational algebra.
Question:
Describe the purpose of the UNION command in relational algebra.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 70% (10 reviews)
The UNION command ...View the full answer
Answered By
Ankur Gupta
I have a degree in finance from a well-renowned university and I have been working in the financial industry for over 10 years now. I have a lot of experience in financial management, and I have been teaching financial management courses at the university level for the past 5 years. I am extremely passionate about helping students learn and understand financial management, and I firmly believe that I have the necessary skills and knowledge to effectively tutor students in this subject.
4.80+
2+ 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 INTERSECT command in relational algebra.
-
Describe the purpose of the SUBTRACT command in relational algebra.
-
Describe the purpose of the SELECT command in relational algebra.
-
Are the statements in (a) and (b) below saying the same thing? (Hint: think about the tradeoffs between concerns of intra- and intergenerational equity.) (a) Sustainability is principally about...
-
Examine issues of the Journal of Accountancy, Strategic Finance, and other business magazines for the past three years to find stories about current developments in factory automation. Write a brief...
-
The auto parts business has three large publicly held firms: OReilly Automotive Inc. (Orly), Advance Auto Parts Inc. (AAP), and Auto Zone Inc. (AZO). In addition to these publicly held firms,...
-
Ace used-car sales manager Jack has no idea whether the \(\$ 100,000\) he pays for training for his used-car salespeople works. He asks Dave, the leading salesperson, and Dave says he thinks it works...
-
On October 31, the stockholders equity section of Heins Company consists of common stock $500,000 and retained earnings $900,000. Heins is considering the following two courses of action: (1)...
-
ABC is a manufacturer. The following balances were extracted from his books on 1 December 2010. Inventories (stocks) 1 January 2010 : Raw materials Work in progress Purchases of raw material Direct...
-
It is important to ensure passenger comfort on ships by stabilizing the ship's oscillations due to waves [13]. Most ship stabilization systems use fins or hydrofoils projecting into the water to...
-
Describe the purpose of the JOIN command in relational algebra.
-
Are there any restrictions on the tables when using the UNION command? If so, what are these restrictions?
-
Burgundy, Inc. and Violet are equal partners in the calendar year BV LLC. Burgundy uses a fiscal year ending April 30, and Violet uses :1 calendar year. Burgundy receives an annual guaranteed payment...
-
The structure that converts light into usable neural messages is called the __________.
-
The purpose of the eardrum is to protect the sensitive nerves underneath it. It serves no purpose in actual hearing. True or false?
-
Which of the following statements are true? A. A two-node RAC database consists of two copies of the database files. B. A two-node RAC database consists of one shared copy of the database files. C. A...
-
One of your instructors has complied with your urgent request for a letter of recommendation and has given you an enthusiastic endorsement. Regardless of the outcome of your application, you owe...
-
__________theory states that there are three types of cones in the retina, each of which responds primarily to a different color.
-
Reconsider Prob. 1843. Using an appropriate software, investigate the effects of the temperature of the oven and the heating time on the final surface temperature of the plates. Let the oven...
-
DC has unused FTC carryover from 2017 in the separate category for GC income as the result of income generated by a foreign branch. The income was foreign source general category income. In 2018 the...
-
What is an index? What are the advantages and disadvantages of using indexes? How do you use SQL to create an index?
-
Describe the GRANT statement and explain how it relates to security. What types of privileges may be granted? How are they revoked?
-
Write the SQL commands to obtain the following information from the system catalog: a. List every table that you created. b. List every field in the Customer table and its associated data type. c....
-
1.Taxpayer, a cash method, calendar year taxpayer, engaged in the following transactions in shares of stock. Consider the amount and character of T's gain or loss in each transaction: (a)T bought 100...
-
where company shows it uneanedd revuene and how it is decribedd in the footnotes?
-
Required Compute variances for the following items and indicate whether each variance is favorable (F) or unfavorable (U): Note: Select "None" if there is no effect (i.e., zero variance). Item Sales...
Study smarter with the SolutionInn App