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Apache Derby—Off to the Races: Includes Details of IBM® Cloudscape™ by Dan Scott, George Baklarz, Paul C. Zikopoulos

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Theater Seat Map

Clicking the Theater Seat Map button displays the current seating arrangements at the YMLD Theater (see Figure 12-8).

Figure 12-8. Seating plan

There is no additional logic behind the buttons shown on the screen. One of the possible uses for the seat buttons is to add a display of the theater “view” from this seat. The SEATMAP table has a column called SEAT_VIEW, which contains LOB objects. Pictures of the stage, as viewed from seats, could be stored in the database so that users can select a seat based on the view.

To retrieve large objects with ODBC, an application should use the GetBytes() method, which only retrieves a portion ...

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