| MCSD in a Nutshell: Working with Data Sample Chapter | Hits: 810 |
Description: One of the biggest changes in Visual Basic 6 is the way in which you access data (or the way in which Microsoft wants you to access data). Microsoft is making a conscious effort to create a paradigm in which data is accessed through a common interface, regardless of the data's underlying format. In the past, developers often used a number of data access techniques, including the two common data access object models, data access objects (DAOs) and remote data objects (RDOs), as well as directly using APIs such as the ODBC API. Usually, code used to access data with one method is incompatible with code that accesses data using another method, which creates a number of drawbacks. For instance, scaling a database (such as migrating from a Jet database to a SQL database) often means rewriting the majority of data access code. In theory, if the mechanism used to communicate with different data sources remained consistent, using different back-end data sources would require little or no code modifications.
| Resource Specification | | Date Added: | 04/08/2005 |
| Last Updated: | 04/08/2005 |
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