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Archives: July 2010

Count(*) or Count(1) ?

Every so often on the on-line forums, the question of : Which is better Count(*) or Count(1) ? will occur.  So can it categorically be proved than one is better than the other ?

What we need to do is populate a table and use both count(*) and count(1) and… Read more

7 comments, 544 reads

Posted in Dave Ballantynes blog on 27 July 2010

SQLBits 7

For those that may of missed it,  voting for SQLBits sessions is now open.  Make your voice heard and get voting.  It is quite a choice to pick a mere 10 sessions from the nearly 100 session listed, but it will give the committee a really good idea of… Read more

1 comments, 146 reads

Posted in Dave Ballantynes blog on 20 July 2010

Using a UDF as a SARG. Make a hash of it!


I am somewhat uncomfortable blogging this, as I feel that it falls into “Polish a turd” category.  Having said that, it is a particularly ugly turd and it does polish up rather well.  Though as the saying goes, it is still a turd.

The evils and inadequacies of…

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0 comments, 180 reads

Posted in Dave Ballantynes blog on 2 July 2010