If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...
There is no simple way to create recursive queries that have several levels of data (hierarchical data) in SQL Server 2000. A recursive query is used when you have a parent and child data stored in ...
Background:<BR>I have a self-referencing SQL Server 2005 table that looks something like...<BR><BR>ID PARENT KEY VALUE<BR>1 0 Hardware 0<BR>2 0 Software 0<BR>3 1 CPU Intel<BR>4 3 Speed 3 ghz ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
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