Database Systems: Design Implementation & Management
11th Edition
ISBN: 9781305850378
Author: Coronel
Publisher: Cengage
expand_more
expand_more
format_list_bulleted
Concept explainers
Expert Solution & Answer
Chapter 8, Problem 4RQ
Explanation of Solution
Subquery:
- The subquery is a query that is placed inside another SQL query and also embedded inside the “WHERE” clause. It is also called as inner query or nested query.
- The subqueries can be used with the “INSERT”, “SELECT”, “DELETE” and “UPDATE” statements along with the operations such as “=”, “<”, “>”, “<=”, “>=”, “IN”, “BETWEEN”.
Characteristics of subquery:
The basic characteristics of subqueries are:
- The subquery normally expressed inside the parentheses.
- The first statement in the SQL is called as outer query...
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Using python and the while loop remove all negative numbers from
values = [17, 25, -5, 30, 100, 96, -48, 5, 14, -30]
Design diagrammatically a Form layout with a Subform that facilitates data entry for your database system. Provide a brief description of the form's purpose and functionality.
+---------------------------------------------------------+| Pension Plan Membership Form |+---------------------------------------------------------+| Person Information |+---------------------------------------------------------+| Person ID: [__________] || Full Name: [__________] || Date of Birth: [____/____/____] || Address: [__________] || Phone: [__________] || Email: [__________] |+---------------------------------------------------------+| [Save Changes] [Cancel]…
using python, multiply each element of the value list by 7
values = [2, 5, 4, 3, 10]
Chapter 8 Solutions
Database Systems: Design Implementation & Management
Ch. 8 - What is a cross join? Give an example of its...Ch. 8 - What three join types are included in the outer...Ch. 8 - Using tables named T1 and T2, write a query...Ch. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - What does it mean to say that SQL operators are...Ch. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Given the employee information in Question 11,...Ch. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - What string function should you use to list the...Ch. 8 - Prob. 20RQCh. 8 - Prob. 21RQCh. 8 - Prob. 22RQCh. 8 - Prob. 23RQCh. 8 - Prob. 24RQCh. 8 - Prob. 1PCh. 8 - Insert the data into the tables you created in...Ch. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - Prob. 8PCh. 8 - Prob. 9PCh. 8 - Modify the CUSTOMER table to include two new...Ch. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - Write a trigger to update the customer balance...Ch. 8 - Write a procedure to delete an invoice, giving the...Ch. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Create a trigger named trg_line_total to write the...Ch. 8 - Create a trigger named trg_line_prod that...Ch. 8 - Create a stored procedure named prc_inv_amounts to...Ch. 8 - Create a procedure named prc_cus_balance_update...Ch. 8 - Modify the MODEL table to add the attribute and...Ch. 8 - Prob. 33PCh. 8 - Modify the CHARTER table to add the attributes...Ch. 8 - Write the sequence of commands required to update...Ch. 8 - Write the sequence of commands required to update...Ch. 8 - Write the command required to update the...Ch. 8 - Write the command required to update the...Ch. 8 - Write the command required to update the...Ch. 8 - Prob. 40PCh. 8 - Create a trigger named trg_char_hours that...Ch. 8 - Create a trigger named trg_pic_hours that...Ch. 8 - Create a trigger named trg_cust_balance that...Ch. 8 - Alter the DETAILRENTAL table to include a derived...Ch. 8 - Alter the VIDEO table to include an attribute...Ch. 8 - Update the VID_STATUS attribute of the VIDEO table...Ch. 8 - Alter the PRICE table to include an attribute...Ch. 8 - Prob. 48CCh. 8 - Prob. 51C
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- using the fill function in python fill elements of a list with a given value def fill(data, value) :arrow_forwardComplete the following program that creates a duplicate version of a list but with the elements stored in reverse order from the original. origValues = [1, 5, 65, 30, 200, 46, 48, 5, 14, 30] newValues = []arrow_forwardUsing python code Find maximum value of a list: values = [2, 45, 3, 25, 6, 8, 5, 100, 104] Then, remove that maximum value from the listarrow_forward
- How to modify the code below so that it prints all possitive values in a list that is separated by commas? values = [1, -2, 3, 4] for i in range(len(values)) : if i > 0 : print(" | ", end="") print(values[i], end="")print()arrow_forwardusiing python remove all negative values from a list of values values = [34, -8, -5, 4, 6, 7]arrow_forwardUsing python, remove highes and lowest score and then sum the remaining 6 scores: scores = [1.4, 5.5, 4.7, 2.0, 6.3, 7.5, 2.6, 5.3, 8.1] totalScore= print("Score = %5.2f" % totalScorearrow_forward
- What are quantitative and qualitative data? Describe an example of a use case and visual representation for qualitative data and one for quantitative data from your organization.arrow_forward1. Checksum. Assuming the following IP header lacking checksum: 01000101.00000000.11000011.00101010. 00000000.00000000.00000000.00000000. 10000000.00000000.00000000.00000000. <- checksum 01100011.11011001.00000000.00000001. 10000000.00000000.00000000.00000010 Compute its checksumarrow_forwardI would like to know the features of BranchCache, Metadata, and LPR Port Monitorarrow_forward
- Please answer the JAVA OOP questions below: How do arrays of objects differ from arrays of primitive types? Why and when would you use an array of objects? What are the different ways to initialize an array of objects? What is a static variable in Java? How does its scope differ from instance variables? When should you use static variables? Provide examples where static variables are beneficial over instance variables. What is the difference between static and non-static methods in the Data Definition Class? What are the benefits of using static methods?arrow_forwardAssume you are a loyal member of Costco. You have been expecting your membership reward from the company, and you just received a text message on your mobile phone. The message appears to be from Costco: Costco - Your 3% return is ready: costco.wholesaledividend.com Before clicking the link in the message, you consider whether this is genuinely from Costco or a phishing attack on you. How can you tell? If it is a phishing attack, what mechanism was most likely used to send the message to you? What actions can you take if you are not sure whether it is a genuine message from Costco? What actions can you take if you are sure this is a phishing attack?arrow_forwardRSA and Diffie-Hellman are important algorithms in public-key cryptography. What are the differences between the two? Assume you intercept the ciphertext C = 105 sent to a user whose public key is e = 7, n = 403. Explain in detail how you will find the private key of the user and crack the ciphertext. What is the plaintext M?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage Learning
A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology Ptr
Programming with Microsoft Visual Basic 2017Computer ScienceISBN:9781337102124Author:Diane ZakPublisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781285196145
Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos Coronel
Publisher:Cengage Learning
A Guide to SQL
Computer Science
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Course Technology Ptr
Programming with Microsoft Visual Basic 2017
Computer Science
ISBN:9781337102124
Author:Diane Zak
Publisher:Cengage Learning