Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Import the data in the Types.txt into the BOOK_TYPE table.
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- use py onlyarrow_forwardTopic: Databse Prompt: Transform as necessary and then write the XML elements to the appropriate tables in the database.Build SQL chunks for the following queries: What are the titles and prices of all books written by "Galos, Mike"? List the titles and the prices. What is the most recent year of publication of all books written by "O'Brien, Tim". What is the average price of all books in the "Fantasy" genre. Find the number of books in each genre. List the title and author of all books that cost less than the average price of books. XML Syntax: <book id="bk101"> <author>Gambardella, Matthew</author> <title>XML Developer's Guide</title> <genre>Computer</genre> <price>44.95</price> <publish_date>2000-10-01</publish_date> <description></description> </book> <book id="bk102"> <author>Ralls, Kim</author> <title>Midnight…arrow_forwardHi, This is what I have, but I am stuck with what to write and not sure if my function is even correct, to begin with. Can someone show me a walk-through solution? MUST USE postgreSQL CREATE TABLE instructor_course_nums (ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25)); CREATE OR REPLACE PROCEDURE calculate_instr_course(ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25))LANGUAGE plpgsqlAS$$BEGIN END;$$;arrow_forward
- Refer to the film and inventory tables of the Sakila database. The tables in this lab have the same columns and data types but fewer rows. Write a query that lists the titles of films with the fewest rows in the inventory table. This query requires a subquery that computes the minimum of counts by film_id: SELECT MIN(count_film_id) FROM ( SELECT COUNT(film_id) AS count_film_id FROM inventory GROUP BY film_id ) AS temp_table; This subquery is provided in the template.arrow_forwardcalculate_trip_time( iata_src: str, iata_dst: str, flight_walk: List[str], flights: Flight Dir float: def ) -> """ Return a float corresponding to the amount of time required to travel from the source airport to the destination airport to the destination airport, as outlined by the flight_walk. The start time of the trip should be considered zero. In other words, assuming we start the trip at 12:00am, this function should return the time it takes for the trip to finish, including all the waiting times before, and between the flights. If there is no path available, return -1.0 >>> calculate_trip_time("AA1", "AA2", ["AA1", "AA2"], TEST_FLIGHTS_DIR_FOUR_ 2.0 "AA7", ["AA7", "AA1"], TEST_FLIGHTS_DIR_FOUR_ "AA7", ["AA1", "AA7"], TEST_FLIGHTS_DIR_FOUR_ "AA1", ["AA1"], TEST_FLIGHTS_DIR_FOUR_CITIES) "AA2", ["AA4", "AA1", "AA2"], TEST_FLIGHTS_DI "AA3", ["AA1", "AA2", "AA3"], TEST_FLIGHTS_DI >>> calculate_trip_time("AA1", "AA4", ["AA1", "AA4"], TEST_FLIGHTS_DIR_FOUR_ 2.0 || || || >>>…arrow_forward4. Update the name of the student to "John Doe" where its id is 10. Enter your answer 5. Modify the "student" table by adding "address" column/field as string and allows null.arrow_forward
- table not copiedarrow_forwardList data_list contains integers read from input, representing a sequence of data values. For each index i of data_list from 1 through the second-to-last index: The element at index i is a drop if the element is less than both the preceding element and the following element. If the element at index i is a drop, then output 'Drop: ', followed by the preceding element, the current element, and the following element, separating each element by a space.arrow_forwardQuestion 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_forward
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