Oh, lordy. That's too much like work. After about the third SELECT DISTINCT, I lost interest. Sorry.

There are always exceptions, but in general, you're better off using the LEFT JOIN. When in doubt, write the query both ways and look at the execution plans.

You can. I don't have a link for you. It's just:

EXEC @param1=42

I just want to echo what everyone else has said. Without at least an execution plan, it's just not possible to say what's going on.

I can suggest that you try...

I was really nervous opening this up, expecting to get 34,000 lines. There are only 14. Had me going for a minute there.

Anyway, 34,000 is more than a little extreme....

suhas.wadadekar (6/19/2009)

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Thanks. I'll try it out.

Dropping a database and creating a new one is an option. But, I was trying to avoid dropping the procedures and functions written for the...

dan (6/19/2009)

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Right,

Sorry for my previous brief posts with bad spelling and grammer. Here is what I have found:

The optimiser deals better with a sub query look up rather than a...

Except for third party databases, all our databases are built from source, so we can drop the database and recreate it pretty much by pushing a button.

However, you could look...

Once you've established blocking, you need to understand why there is blocking. It could be poor performance requiring index or query tuning or it might be transaction management or contention...

An index that has all three columns, which makes it covering. It can also be covering if one or more (or all three) of the indexes is in the clustered...

hi_abhay78 (6/18/2009)

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SELECT TOP 1* FROM TicketActivity

SELECT MIN(TicketId) FROM TicketActivity

The above 2 queries are different.

But you can also run the min query as below :

select top 1 ticketid from TicketActivity order...

What you've got are an ordering query, TOP, and an aggregate query, MIN. The ordering query must have an ORDER BY statement to work. You can't know what order things...

I'm...

Excellent article. Thanks for putting it up. I just wish you had posted it a few years ago. I'm going to print it out now & keep it handy as...

jason brimhall (6/18/2009)

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Two bits

I like to throw in some good code and bad code samples. You pick out which one works better and tell me why. Or I...