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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Summary
This chapter presented the ADO.NET classes and features they provide. We connect to the database using the ADO.NET Connection object of the relevant data provider. We have two options of working with a database: connected mode and disconnected mode. The former represents the classic ADO model. With the latter we may achieve better performance for our database applications, since we may perform the operations on data locally and then propagate changes to the database.
When working in connected mode, we use data readers to fetch the data. In the disconnected mode, the data is placed in the datasets that are independent of any data provider. Data adapters mediate between the database and dataset when transferring data from and to a database. ...
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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.