I've bugged Jonathan Lewis for a long time to do a blog. Even if it was just a blog to point to new articles he wrote on his site so we could easily subscribe to them.
He finally took it from me and others to heart and well - the result is really good. I suggest you subscribe. I have not been disappointed yet, take this recent example - something you don't see every day, but it'll be filed in the back of my head. If it comes up again with someone I'm working with - I'll appear to be "magic".
But it is just something I learned from the forums...
Something I talk about in my seminars - I spend a great amount of time in my "SQL Techniques" talk about how participating in the community at large is what really made me have the amount of Oracle knowledge I have today. Examples of people "one-up-ing me" on asktom (I really enjoy that), examples of what I've learned recently about Oracle by reading others works.
Really nice blog he's got going there. Check it out.
I liked this entry "How Long...". But only because I've had so many people give me queries and say "this takes too long". When I look at the
b) underlying data
c) the query again
I can only answer - "what are your expectations, are they even reasonable - this is a big question against a ton of data" sometimes.
Many times people don't think about "how long" should it really take. And I like the way he just threw it out there as a question - sans answer.