Wednesday, September 20, 2006
Why you should skim read deep stuff first!
Seems that my recent posting about constraint generated predicates is already thoroughly covered in Jonathans latest book (Ch 6, pp 145-6)...including the bit about specifying a "NOT NULL" predicate to get around the issue with when the column in question is declared as "NULL" and not "NOT NULL".
Doug said to me recently that it was one of those books you probably should skim read first in order to get your brain used to what content is in it...so when you need to know about a particular topic you'll (hopefully) remember that it was covered somewhere in such and such book...I think he's probably spot on there.
Doug said to me recently that it was one of those books you probably should skim read first in order to get your brain used to what content is in it...so when you need to know about a particular topic you'll (hopefully) remember that it was covered somewhere in such and such book...I think he's probably spot on there.
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Just in case that's mis-interpreted ...
Definitely only on the basis that you're going to go back and read it carefully. That could take months, though, so better to have a rough feel for the book first in case you happen to hit a problem it discusses. That was the benefit of my initial skim-read of the book - I was able to point you at the Hash Joins chapter when you were hitting problems with Hash Joins.
Oh, and I still ended up missing a bit that would have come in handy at work and Jonathan had to point it out to me!
It's a deep book and I have a strong feeling I'll be referring to it regularly for a long time to come.
Definitely only on the basis that you're going to go back and read it carefully. That could take months, though, so better to have a rough feel for the book first in case you happen to hit a problem it discusses. That was the benefit of my initial skim-read of the book - I was able to point you at the Hash Joins chapter when you were hitting problems with Hash Joins.
Oh, and I still ended up missing a bit that would have come in handy at work and Jonathan had to point it out to me!
It's a deep book and I have a strong feeling I'll be referring to it regularly for a long time to come.
Yeah...wrote that a bit quick didn't I!
I meant, of course, that the skim reading first technique is good for planting the seeds in your brain in case you come across a need for the information on your travels...but only a deeper read when you're focused on the task will allow you to gain the full insight into what the author is trying to get across to you.
I meant, of course, that the skim reading first technique is good for planting the seeds in your brain in case you come across a need for the information on your travels...but only a deeper read when you're focused on the task will allow you to gain the full insight into what the author is trying to get across to you.
Nice and knowledgeable gifts for everyone-
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booksshelf
knowledge
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