Oracle Magazine, Nov/Dec 2017
Database Developer and DBA ETL more recently is a move to achieve faster boarding via more rigid definition and control of boarding zones before flights with passengers for different zones queuing in different waiting areas before a flight starts boarding In isolation both of these air travel innovations would appear to be sensible and beneficial for all concerned However the combination of these strategies has created a problem one I observed every time I flew with an airline over the past few months To avoid paying the extra fee for checked luggage passengers would bring with them the maximum allowed amount of carry on luggage a totally understandable position to take Why pay more if you can avoid it The consequence was that the aircraft cabin could not accommodate the volume of luggage so once the cabin luggage space was filled all remaining baggage had to be checked into the cargo hold anyway In trying to avoid this passengers would begin queuing in their respective boarding zones as early as possible I often saw these queues start well over an hour before a flight was due to depart but airport departure gates are not designed for this eventuality Gates walkways were totally clogged with queuing passengers fervently hoping to avoid having to check their luggage Two innovations lower cost flights and streamlined boarding are seemingly unrelated yet together they have created congestion chaos at airport boarding gates and not just at the boarding gates of the airline concerned Even other airlines that do not adopt the newer boarding practice are now experiencing issues with lateboarding passengers because their own boarding gates are rendered nearly inaccessible by large queues in the walkways RETURNING TO THE DATABASE Here is a similar example this time with database innovations Consider an application built on a simple CUSTOMERS table structure ORACLE MAGAZINE NOVEMBER DECEMBER 2017 76
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