By Dr. Wolfgang Kirsten, Michael Ihringer, Peter Schulte, Dr. Bernhard Röhrig (auth.)
Nowadays, newly constructed software program applications are usually out of date already on the time in their creation. Object-oriented software program improvement is a possible—if now not the only—solution to this hassle: purposes are modeled as software program items that describe the homes and the habit of real-world entities. Such gadgets are encapsulated, in that they hide—behind a publicly identified interface—the complexity in their inner information buildings and behaviors. this allows items for use in quite a lot of application programs without having to understand the main points in their inner implementation.
Linking object-oriented modeled purposes with a database locations certain calls for on a database administration approach and improvement surroundings whilst the standard functionality and semantics losses are to be refrained from. This publication presents a close description of the item version of the Caché postrelational database. additionally, it courses the reader step by step throughout the improvement of postrelational purposes. The accompanying CD-ROM comprises the total linked software program:
InterSystems Caché™ 4.0 Single-User
© 1997-2000 InterSystems company. All rights reserved. Microsoft® visible simple® 6 operating version Edition
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PC with Intel CPU (Pentium or better), CD-ROM force, home windows 95/98/Me or home windows NT/2000, sixty four MB major reminiscence (128 MB recommended), a hundred MB loose disk area.