September 2002
Intermediate to advanced
496 pages
10h
English
Content preview from Programming PERL in the .NET EnvironmentBecome 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 Disconnected Database Scenario
One of the innovations that ADO.NET introduces is working in the disconnected manner. The DataSet class implements an in-memory lightweight database. You can fill the DataSet with the information from the database to manipulate your data inside the DataSet without being connected and propagate the changes to the database server as necessary.
When working with DataSet, you populate it with the DataTable class objects that represent tables. You may have several tables inside one DataSet. This way you may even build in-memory relational databases.
The DataSet and DataTable classes are independent of any data provider. Therefore, we need an adapter, which will mediate between our DataSet objects and database server. ...
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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.