WebUsing MySQL Workbench, construct the three tables for the schemas Sailors, Boats, and Reserves accordingly. Enter the test data for the three tables as shown above, and formulate MySQL queries to answer the following questions. Lecturers: Use the above tables to illustrate to students that a many-to-many relationship “A sailor can reserve many botas …
Tutorial 5: SQL - Department of Computer Science, University of …
WebEx4. Find the names of sailors who have reserved at least one boat. SELECT sname FROM Sailors S, Reserves R WHERE S.sid = R.sid The join of Sailors and Reserves ensure that … WebMar 29, 2024 · Creates the tables, populates the tables, queries, and deletes the tables for a database containing information describing sailors, boats, and boat reservations. Authors: Evan Arroyo and Joshua Sims Date: 29 March 2024. The psql command "\i assg3_tester.sql" creates the tables, populates the tables, queries the database, and deletes the tables. elk grove automotive repair
Sailor, Reserves, Boats database for SQL Learning Purpose - Github
WebOct 10, 1998 · Using MySQL Workbench, construct the three tables for the schemas Sailors, Boats, and Reserves accordingly. Enter the test data for the three tables as shown above, and formulate MySQL queries to answer the following questions. Lecturers: Use the above tables to illustrate to students that a many-to-many relationship “A sailor can reserve … Webboth red and green boats, just replace S.sid by S.sname in SELECT clause. (What about INTERSECT query?) Find sid’s of sailors who’ve reserved both a red and a green boat: SELECT S.sid FROM Sailors S, Boats B, Reserves R WHERE S.sid=R.sid AND R.bid=B.bid AND B.color=‘red’ AND S.sid IN (SELECT S2.sid FROM Sailors S2, Boats B2, Reserves R2 WebExpert Answer. An Instance of Boats An Instance of Sailors An Instance of Reserves Sailors (sid: integer, sname: string, rating: integer, age: real) Boats (bid: integer, bname: string, color: string) Reserves (sid: integer, bid: integer, day: date) Find the names of sailors who have reserved a red or a green boat. elk grove aquatics center