June 2002
Beginner to intermediate
832 pages
19h 43m
English
Content preview from Alison Balter's Mastering Access 2002 Enterprise DevelopmentBecome 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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The Basics of N-Tier Development
With an n-tier application, you place only the code that is necessary to support the graphical user interface (GUI) within the Access application. You place all of the code that interacts with the database in middle-tier business objects, developed in an environment such as Microsoft Visual Basic and compiled as a Dynamic Link Library (.dll object). The advantages of this model are:
Improved scalability
Reusability
Shortened testing cycle
Improved maintainability
Greater flexibility
An n-tier architecture offers improved scalability because you can place the DLL on multiple servers and have various groups of users access each DLL. In fact, you can place the DLL under the control of Microsoft Transaction Server (MTS) ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.