
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Joe, one of your systems analysis team members, made the following entry for the data dictionary used
by Marilyn’s Tours:
DATA ELEMENT = TOURIST* * * * PAYMENT
ALIAS = TOURIST PAY
CHARACTERS = 12−24
RANGE = $5.00−$1,000
VARIABLES = $5.00, $10.00, $15.00, up to $1,000, and anything in between in dollars and cents.
TO CALCULATE = TOTAL COST OF ALL TOURS, ANY APPLICABLE NY STATE TAX, minus
any RESERVATION DEPOSITS made.
a. Is this truly a data element? Why or why not?
b. Rewrite the data dictionary entry for TOURIST PAYMENT, reclassifying it if necessary. Use the
proper form for the classification you choose.

Transcribed Image Text:D1 COST OF TOURS
1
46-6
Check
credit
PRIVATE
TRAVEL
AGENT
AIRLINE
TRAVEL
AGENT
TOURIST
WITH
CHARGE
CARD
CASH
PAYING
TOURIST
D2 TRAVEL BROCHURES
D3 TRAVEL ITINERARY
D4 CREDIT HISTORY
2
Determine
tour
desired
3
Make
reservations
TOURIST
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 2 steps with 1 images

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
- Question 5 Assume you are given a dictionary student_dict with Mary taking ACT101, FIN202, MIS310 and MIS340, Steve is enrolled in FIN202, MKT300 and MIS310, and Paul is registered for ACT101 and MKT300. With Ist initially set to an empty list, which of the following would complete the code that will correctly produce the list of students taking MIS courses. for key in student_dict: for val in student_dict [key]: if 'MIS' in 1st.append( and O val; val; 1st; key O val; val; 1st; val O val; key; 1st; val O val; key; 1st; key Question 6 0.5 pts not in 0.5 pts Given the customer reviews shown below, which one of the following would correctly display the first company's name XYZ, Inc.? + 100% O KHarrow_forwardQuestion 6 To get all the variables named x1 through x15 (out of 30 variables that start with x) from data, you could use O filter(data starts with("x")) select(flights."x") Oselect(data.num_range("x"1:15) Opick(flights.starts with("x")) Question 7 To reverse sort the nycflights13::flights data set by month and then by day, you would use O sort values(flights.day.month.descending-TRUE) O filter(flights.desc(month).desc(day)) O filter(flights.desc(day).desc(month)) Osort values(flights,month.day.ascending FALSE) Question 8 To get all the variables from the flights like "arr_delay" and "dep_delay", you could use O filter(flights,ends_with("_delay")) O select(flights.""_delay") O select(flights,ends_with("_delay")) Opick(flights,ends_with("_delay"))arrow_forwardHow do you index a CLOB datatype for faster search operations?arrow_forward
- MySQL CREATE TABLE students ( id INT PRIMARY KEY, first_name VARCHAR(50), last_name VARCHAR(50), age INT, major VARCHAR(50), faculty VARCHAR(50)); CREATE TABLE location ( id INT PRIMARY KEY, name VARCHAR(50), rooms INT); CREATE TABLE faculty ( id INT PRIMARY KEY, name VARCHAR(50), department_id INT); 4. Find the number of employees in each department who get no commission or have salary less than5000.5. Find the maximum salary of employees in each department that the employee was hired 15 yearsbefore now. *hint: user TIMESTAMPDIFF(<unit type>,<Date_value 1>,<Date_value 2>), the unitcan be YEAR, MONTH, DAY, HOUR, etc...6. Find the last name of all employees that were not hired on Tuesday *hint: (UseDATE_FORMAT() function amd the format you need is %W, also use UPPER()7. Find the number of employees in each department who have a manager.8. Find the number of employees for each manager whose employees' minimum salary is greaterthan 5000.9. Find the number of…arrow_forwardindividual characters using their 0-based index. Hint: You will need to do this for checking all the rules. However, when you access a character .arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education

Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education

Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON

Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON

C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON

Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning

Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education