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Oracle to SQL Server, Crossing the Great Divide, Part 3

We soon learn, in SQL Server, that heaps are a bad thing, without necessarily understanding how or why. Jonathan Lewis is an Oracle expert who doesn't like to take such strictures for granted, especially when they don't apply to Oracle. Jonathan discovers much about how SQL Server places data, and concludes from his experiments that heaps perform badly in SQL Server because you cannot specify a fill factor for them.

2010-07-23

3,312 reads

External Article

Binary Trees in SQL

A number of hierarchies and networks are most conveniently modelled as binary trees. So what is the best way of representing them in SQL? Joe Celko discards the Nested Set solution in favour of surprisingly efficient solution based on the Binary Heap

2010-07-20

4,764 reads

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Question of the Day

Lots of FKs

In SQL Server 2025, what are the most outgoing and incoming FK references a table can have?

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