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February 2009 - Posts

Monday, February 16, 2009 10:17 AM

Immutable objects in Fluent Interfaces: a lesson from Functional Programming

Fluent interfaces are a nice way of building up an API which reads very nicely. Chaining methods together is often a big part of fluent interfaces, but doing so isn't always as straightforward as it looks, especially for configuration objects. Suppose
Posted by laurionb | 1 Comments
Tuesday, February 10, 2009 5:22 AM

Cheaply estimating the number of records in a table

Counting the number of records in a table can be extremely expensive, as it requires reading all the database pages off disk. It is possible to get a reasonably accurate estimate the number of records in a table by using the JetGetRecordPosition API.
Posted by laurionb | 1 Comments

Attachment(s): getapproximaterecordcount.png
 
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