December 2015
Beginner
464 pages
12h 34m
English
Content preview from SQL in 24 Hours, Sams Teach Yourself, Sixth EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Appendix D. Bonus Exercises
The exercises in this appendix are bonus exercises that are specific to SQL Server. This appendix provides an explanation or question and then provides sample Microsoft SQL Server-based SQL code to execute. Remember that the SQL code can vary from implementation to implementation; therefore, some of these statements need to be adjusted depending on the system you work on. Study the question, code, and results carefully to improve your knowledge of SQL.
1. Determine the aircraft that is used the most.
SELECT TOP 1 A.AIRCRAFTTYPE, COUNT(*) AS TIMESUSED FROM AIRCRAFT A INNER JOIN AIRCRAFTFLEET AF ON A.AIRCRAFTCODE = AF.AIRCRAFTCODE INNER JOIN FLIGHTS F ON AF.AIRCRAFTFLEETID = F.AIRCRAFTFLEETID ...
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