BLKS_GETS_PER_ACCESS Index Rebuild Criteria ? (Twisted Logic)
A recent question on the database OTN forum and a previous request by Charles Hooper that I cover some basic indexing concepts for newbie’s who might be confused by “dubious” information out there in...
View ArticleDEL_LF_ROWS Index Rebuild Criteria ? (Codex)
In the same article and book where the erroneous claims regarding the BLKS_GETS_PER_ACCESS were made, we also find the following recommendation: “Another rebuild condition would be cases where...
View ArticleRebuilding Indexes and the Clustering Factor Solution (Move On)
Excellent !! This quiz created quite a bit of debate and it was nice to sit back and read some interesting discussions. The Clustering Factor is basically the measurement of how well aligned the data...
View ArticleCurious Case Of The Ever Increasing Index Quiz (She’ll Drive The Big Car)
I received an email recently that had a nice example of what can potentially go wrong with an index. Let’s first create a simple table with a unique index and populate it with 200,000 rows (following...
View ArticleCurious Case Of The Ever Increasing Index Solution (A Big Hurt)
Based on the excellent comments in the Quiz post, we have some clever cookies out there I guess the first thing to point out is that based in the basic scenario provided, the index shouldn’t ordinarily...
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