A Guide to SQL
9th Edition
ISBN: 9781111527273
Author: Philip J. Pratt
Publisher: Course Technology Ptr
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Chapter 5, Problem 5SCG
Repeat Exercise 4, but this time use the EXISTS operator in your query.
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10. When we find out that there are some miss spellings in the query?
3. Run a query that gives the average grade on the final exam for male students and for femalestudents. Round that number to 1 decimal place only.
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Chapter 5 Solutions
A Guide to SQL
Ch. 5 - Prob. 1RQCh. 5 - Prob. 2RQCh. 5 - Prob. 3RQCh. 5 - Prob. 4RQCh. 5 - Prob. 5RQCh. 5 - Prob. 6RQCh. 5 - Prob. 7RQCh. 5 - What does it mean for two tables to be union...Ch. 5 - Prob. 9RQCh. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - Prob. 1TDCh. 5 - Prob. 2TDCh. 5 - Prob. 3TDCh. 5 - Prob. 4TDCh. 5 - Prob. 5TDCh. 5 - Prob. 6TDCh. 5 - Prob. 7TDCh. 5 - Prob. 8TDCh. 5 - Prob. 9TDCh. 5 - Prob. 10TDCh. 5 - Prob. 11TDCh. 5 - Prob. 12TDCh. 5 - Prob. 13TDCh. 5 - Prob. 14TDCh. 5 - Prob. 15TDCh. 5 - Prob. 16TDCh. 5 - Prob. 17TDCh. 5 - Prob. 18TDCh. 5 - Prob. 20TDCh. 5 - Prob. 21TDCh. 5 - Prob. 1CATCh. 5 - Prob. 2CATCh. 5 - Prob. 3CATCh. 5 - Prob. 4CATCh. 5 - Prob. 5CATCh. 5 - Prob. 6CATCh. 5 - Repeat Exercise 6, but this time use the EXISTS...Ch. 5 - Prob. 8CATCh. 5 - Prob. 9CATCh. 5 - Prob. 10CATCh. 5 - Prob. 11CATCh. 5 - Prob. 12CATCh. 5 - Prob. 13CATCh. 5 - Prob. 14CATCh. 5 - Prob. 15CATCh. 5 - Prob. 16CATCh. 5 - Prob. 17CATCh. 5 - Prob. 18CATCh. 5 - Prob. 1SCGCh. 5 - Prob. 2SCGCh. 5 - Prob. 3SCGCh. 5 - Prob. 4SCGCh. 5 - Repeat Exercise 4, but this time use the EXISTS...Ch. 5 - Prob. 6SCGCh. 5 - Prob. 7SCGCh. 5 - Prob. 8SCGCh. 5 - Prob. 9SCGCh. 5 - Prob. 10SCGCh. 5 - Prob. 11SCGCh. 5 - Prob. 12SCGCh. 5 - Prob. 13SCGCh. 5 - Prob. 14SCGCh. 5 - Prob. 15SCGCh. 5 - Prob. 16SCG
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- Repeat Exercise 6, but this time use the EXISTS operator in your query.arrow_forwardWrite a query to display the patron ID, first and last name of all patrons that have never checked out any book. Sort the result by patron last name and then first name. (See the figure below for the output) Write a query to display the patron ID and the average number of days that patron keeps books during a checkout. Limit the results to only patrons who have at least three checkouts. Sort the results in descending order by the average days the book is kept. (See the figure below for the output)arrow_forwardTask 2: List the owner number and last name for all owners located in the city of Seattle. Your query should ignore case. For example, a customer with the city Seattle should be included, as should customers whose city is SEATTLE, SEAttle, SeAttle, and so on.arrow_forward
- Given the table customers which contains columns customer_id, first name, last name, and state, and a table named addresses that contains columns address_id, customer id, state, city, zip, and street. Write a query that returns all customers last names with their state and zip. Assume that customer id in the addresses table is foreign key referencing customer_id in the customers table.arrow_forward12. Write a query to display the patron ID, book number, and days kept for each check-out. "Days Kept" is the difference from the date on which the book is returned to the date it was checked out. Sort the results by days kept in descending order, then by patron ID, and then by book number. PATRON BOOK Days Kept 1165 5235 9 1209 5238 1160 5240 1160 5237 1202 5236 1203 5235 1174 5244 1181 5248 1170 5242 1161 5235 59 9 3 30000 8 8 3 1 4 0arrow_forwardERD:- PK CHECKOUT Check Num FK1 Book_Num FK2 Pat_ID Check Out Date Check_Due Date Check_In_Date PK BOOK Book Num Book Title Book_Year Book_Cost Book_Subject FK1 Pat_ID -H- PATRON PK Pat ID Pat_FName Pat_LName Pat_Type WRITES PK,FK1 Book Num PK,FK2 Au ID AUTHOR PK AU ID Au_FName Au_LName Au_BirthYeararrow_forward
- Find all the Nobel laureates, with the year of the award, who were born either in Poland (present but not at the time of their birth) or in a country that is now known as Poland (Hint: a country now known as Poland is annotated as "now_Poland" and for this query it would be better to use a FILTER).arrow_forwardWrite a query that Balance of each CUSTOMER who have made purchase(s) before AND subtotal that each customer purchased. So that we can find the ENDING balance. Output: CUS_CODE SUBTOTAL CUS_BALANCE ENDING_BALANCE 10010 0 0 0 10011 444.15 0 444.15 10012 154 346 500 10013 0 537 537 10014 422.87 0 422.87 10015 34.99 0 34.99 10016 0 221 221 10017 0 769 769 10018 70.44 217 287.44 10019 0 0 0arrow_forwardYou are writing a query to find all valid charge amounts. A charge amount is considered valid only for the days between two columns. SNAP_START DATE and SNAP_END_DATE. The charges is also considered valid on the SNAP_START_DATE and the SNAP_END_DATE. Assume that these two columns will always store a time of midnight and the SNAP_END_DATE will always come later than SNAP_START_DATE. Which of these expressions would return TRUE only for charge amounts valid on February 14, 2018, and FALSE for all other charge amounts? A. SNAP_START_DATE < '14 FEB 2018' AND '14 FEB 2018' < SNAP_END_DATE B. SNAP_START_DATE <= '14 FEB 2018' AND '14 FEB 2018' <= SNAP_END_DATE C. SNAP_START_DATE > '14 FEB 2018' AND '14 FEB 2018' > SNAP_END_DATE D. SNAP_START_DATE >= '14 FEB 2018' AND '14 FEB 2018' >= SNAP_END_DATEarrow_forward
- From the following tables,write a query to get.the histogram of specializes of the unique physicians who have done the procedures but never did prescribe anythingarrow_forwardCreate a query for selecting Employee_Id , First_Name, Phone_Number where Department_ID is not in the list of ( 50, 80 , 70). Build this query using IN operator.arrow_forwardUse multiple-row subquery in a WHERE clause. List order numbers of books, written by an author whose author ID is J100, that were ordered by the customers. Include the following columns in the result. a. Order Numberb. ISBNc. QuantityHint: In this task, we will compare the list of books in the subquery with the list of books in the outer query. The subquery returns ISBN of books that were written by the author J100. The outer query returns all order records (each record contains order number, ISBN, and quantity)arrow_forward
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