Sailors boats and reserves tables
WebFind the names and ages of sailors who have reserved at least two different boats. Select one or more: a. SELECT distinct s.sname, s.age FROM sailors s, reserves r1 WHERE …
Sailors boats and reserves tables
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WebThis query selects the sailors that are paired (in the Reserves table) with each boat in the boat table: SELECT Sailors.name FROM Sailors INNER JOIN (SELECT Reserves.sid FROM Reserves GROUP BY Reserves.sid HAVING COUNT(DISTINCT CONCAT(Reserves.sid, Reserves.bid)) = (SELECT COUNT(DISTINCT Boats.bid) FROM Boats)) sub ON Sailors.sid … WebSchemas and sample data for sailors database boats bid name color 101 Interlake blue 102 Interlake red 103 Clipper green 104 Marine red reserves sid bid day 22 101 1996-10-10 22 …
WebAug 17, 2024 · Sailors Reserves. Boats bid bname color 101 Interlake blue 102 Interlake red 103 Clipper green 104 Marine red. Figure 1: Instances of Sailors, Boats and Reserves. 1. Create the Tables: CREATE TABLE sailors ( sid integer not null, sname varchar(32), rating integer, age real ... WebCreates the tables, populates the tables, queries, and deletes the tables for a database containing information describing sailors, boats, and boat reservations. - Sailors-and …
WebJul 7, 2024 · Basic Quieres. 1) Find the names and ages of all sailors. select s.sname ,s.age from sailors s; 2) Find all sailors with a rating above 7. select s.sid,s.sname,s.rating,s.age … 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 …
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 …
WebMay 15, 2024 · 2 Answers. Sorted by: 1. In this query, I have selected all those sailors who have reserved boats other than 'green'. They might have taken green also but their SID will get captured in the 'in' query. Outer query (Outside in) will exclude and give Sailors who have reserved only green boats through 'not in' statement in 'where' clause. paint wheel spinnerWebNov 29, 2024 · The boat management system is a schema to manage the data regarding sailors, boats and reserves. By creating various tables in the database we can easily … sugar manufacturing process in indiaWebNow, if we need to delete Smith data from the same table, the following code should be executed, delete from students where S name equals Smith. For example, the next SQL code inserts data to the sailors, boats, and reserves tables. Suppose that you don't need a data store on the sailors table, you can remove all the rows from the table. sugarman\u0027s life cycle theoryWebA sailor, seaman, mariner, or seafarer is a person who works aboard a watercraft as part of its crew, and may work in any one of a number of different fields that are related to the … sugar manufacturing process videoWebFigure 1: Instance s of Sailors, Boats and Reserves. 1. Create the Tables: CREATE TABLE sailors (sid integer not null, sname varchar(32), rating integer, age real, CONSTRAINT PK_sailors PRIMARY KEY (sid)); CREATE TABLE reserves (sid integer not … paint white backgroundWebSep 26, 2024 · DBMS Lab Cycle 4 (sailor,boat,reserve) --> Find the names and ages of all sailors. --> Find all information of sailors who have reserved boat number 101. --> Find all … paint white brick fireplaceWebConsider the Sailors-Boats-Reserves DB described in the text. s (sid, sname, rating, age) ... For each boat which was reserved by at least 5 distinct sailors, find the boat id and the … sugar mapie bluff golf course facebook