Question: Database Schema: Sailors ( sid, sname, rating, age) Boats ( bid , color) Reserve ( sid, bid, date ) Find sailors whove reserved all boats.
Database Schema:
Sailors (sid, sname, rating, age)
Boats (bid, color)
Reserve (sid, bid, date)
Find sailors whove reserved all boats.
Select s.sname from sailors s Where (select count(distinct bid) from reserves where sid=s.sid) = (select count(bid) from boats);
check the select statement and see if there is Any problem and how to fix without using EXCEPT????
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