Database Concepts (7th Edition)
7th Edition
ISBN: 9780133544626
Author: David M. Kroenke, David J. Auer
Publisher: PEARSON
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Chapter 5, Problem 5.17RQ
For your answer to question 5.15, code an SQL statement that creates a table that has all data from both tables.
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Given the following relation:
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i. Read a Book id provided by user at run time and store it in a variable.
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i. Display the fetched book author and title.
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O f. Mashups
For the following database scheme
Employee(empNo,fName.IName.address.DOB.sex,position.deptNo)
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Write an SQL statement to find all the details of employees who are female
True or False?
To select all columns from a table named STUDENTS, we can use the SQL statement ‘’SELECT STUDENTS FROM’’.
Chapter 5 Solutions
Database Concepts (7th Edition)
Ch. 5 - Explain how entities are transformed into tables.Ch. 5 - Prob. 5.2RQCh. 5 - Prob. 5.3RQCh. 5 - What is denormalization?Ch. 5 - Prob. 5.5RQCh. 5 - Explain the problems that denormalized tables may...Ch. 5 - Explain how the representation of weak entities...Ch. 5 - Explain how supertype and subtype entities are...Ch. 5 - Prob. 5.9RQCh. 5 - Prob. 5.10RQ
Ch. 5 - Show two different ways to represent the 1:1...Ch. 5 - Prob. 5.12RQCh. 5 - Prob. 5.13RQCh. 5 - Prob. 5.14RQCh. 5 - Prob. 5.15RQCh. 5 - Prob. 5.16RQCh. 5 - For your answer to question 5.15, code an SQL...Ch. 5 - Prob. 5.18RQCh. 5 - Prob. 5.20RQCh. 5 - Prob. 5.21RQCh. 5 - Explain how the terms parent table and child table...Ch. 5 - For your answers to questions 5.20, 5.21, and...Ch. 5 - Prob. 5.24RQCh. 5 - Prob. 5.25RQCh. 5 - Prob. 5.26RQCh. 5 - Prob. 5.27RQCh. 5 - Prob. 5.28RQCh. 5 - Define the three types of recursive binary...Ch. 5 - Prob. 5.30RQCh. 5 - Prob. 5.31RQCh. 5 - Prob. 5.32RQCh. 5 - Prob. 5.33RQCh. 5 - Prob. 5.34RQCh. 5 - Code an SQL statement that creates a table with...
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- relation: Book (BookID, Author, ISBN, Title) Write a PL/SQL block of code that performs the following tasks: Read a Book id provided by user at run time and store it in a variable. Fetch the Author and title of the book having the entered id and store them inside two variables Display the fetched book author and title.arrow_forwardWrite a PL/SQL block that uses a searched case statement to classify students based on their scores in a certain test according to the following table. Score Action 90 80-89 A certificate is given 70-79 A training course is recommended <70 A scholarship is given The course should be repeatcd NB: Write the searched CASE structure only. Use the editor to format your answerarrow_forwardGiven the following relation: Book (BookID, Author, ISBN, Title) Write a PL/SQL block of code that performs the following tasks: Read a Book id provided by user at run time and store it in a variable. Fetch the Author and title of the book having the entered id and store them inside two variables Display the fetched book author and title.arrow_forward
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- Consider a database with the following tables: Patient(PatientID. PatientName, NumberOfVisits) / Doctor(DoctorID. DoctorName) Appointment(AppID. DoctoriD, PatientID. Date, time) 1.Write SQL statement to execute the view AppointmentsViewarrow_forwardPATHS is a table that contains information about paths on a number line. The structure of PATHS is as follows, where x1 and x2 represent that there is a path from Coordinate x1 to Coordinate x2 (You can't move from Coordinate x2 to Coordinate x1 ). NAME ΤΥΡE NULLABLE X1 INT FALSE X2 INT FALSE Problem Please write an SQL statement that returns the beginning and end point of each path in PATHS . Sort them by the value of the beginning point in ascending order. Constraints • In the case where a direct path from Coordinate a to Coordinate b is available, no path from Coordinate b to Coordinate a will be given. |x1-x2| = 1 • No path will overlap with one another. Example Suppose that PATHS is as follows: x1 x2 1 2 2 3 4 7 7 6 This table can be visualized as follows: START END END START 7 8. 9 Therefore, your SQL statement must return the following: start end 1 4 8 6arrow_forwardYou have the following tables: MANAGERS (MANAGER_ID, LAST_NAME, FIRST_NAME, DEPARTMENT) ACCOUNTS (ACCOUNT_NUMBER, MANAGER_ID, CUST_ID, BALANCE) CUSTOMERS (CUST_ID, LAST_NAME, FIRST_NAME) Write a SQL statement that lists account number, balance, MANAGER’s last name, CUSTOMER ID, and CUSTOMER’s last name for every account in the ACCOUNTS table.arrow_forward
- Views in SQL are kind of virtual tables. A view also has rows and columns as they are in a real table in the database. We can create a view by selecting fields from one or more tables present in the database. A View can either have all the rows of a table or specific rows based on certain conditions. Under what circumstances would you create a View?arrow_forwardInstructions Write SQL queries to solve the following problems. We will be using the “university” database. All queries should involve only the instructor table. After you are done, save your work as .sql file and turn in the .sql file into Moodle for grading. Write a SQL statement to display all columns using the SQL asterisk (*) wild-card character. Write a SQL statement to display ID and name of the instructors (ID appears first). Write a SQL statement to display department names. Write a SQL statement to display unique department names. (expect 7 rows returned) Write a SQL statement to display all info about instructors having a salary greater than 75000. (expect 6 rows returned) Write a SQL statement to display department name, instructor name, and salary for instructors that have a salary less than 70000. Sort the results in ascending order by department name. (expect 4 rows returned) Write a SQL statement to display name, department name, and salary for instructors that have a…arrow_forwardSQL QUERIES Employees(EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE,JOB_ID, SALARY, COMMISSION_PCT, MANAGER_ID, DEPARTMENT_ID,DEPARTMENT_NAME)Department(DEPARTMENT_ID, DEPARTMENT_NAME, MANAGER_ID, LOCATION_ID)Location(LOCATION_ID,STREET_ADDRESS,POSTAL_CODE,CITY,STATE_PROVINCE,COUNTRY_ID) Write a Query in SQL to delete the record of all those cities where city name ends with b fromlocations table.arrow_forward
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