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Exadata Storage Indexes – Part I (Beginning To See The Light)
Thought I might discuss Exadata Storage Indexes, explore what they are, how they work and discuss their advantages and disadvantages. Following is but a brief introduction on this very cool Exadata...
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Exadata Storage Indexes Part II – Differences With Database Indexes (Space...
Let’s explore some of the key differences between Storage Indexes (SI) and Database Indexes (DI). In no particular order, they include: SIs are structures that exist only within the storage servers of...
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Exadata Storage Indexes Part III – Similarities With Database Indexes (Same...
As discussed previously, there are quite a number of differences between Storage Indexes (SIs) and Database Indexes (DIs). However, there are also a number similarities between both of them as well....
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Exadata Storage Indexes Part IV – Fast Full Table Scans (Speed of Life)
OK, let’s look at Storage Indexes in action. But first, following is the setup for the various demos to come. I basically create one table called BIG_BOWIE that’s about 1GB in size and then simply...
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Exadata Storage Indexes Part V: Warming Up (Here Come The Warm Jets)
As I mentioned in a previous post, there are a number of Similarities between Storage Indexes and Database Indexes. One of these similarities is the “warming up” process that needs to take place before...
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Storage Indexes vs Database Indexes Part I MIN/MAX (Maxwell’s Silver Hammer)
It’s often stated that in Exadata, you don’t need conventional database indexes anymore as everything runs so damn fast that indexes are simply a waste of time and space. Simply drop all database...
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Storage Indexes vs Database Indexes Part II: Clustering Factor (Fast Track)
Two posts in two days !! Well, with Christmas just around the corner, I thought I better finish off a couple of blog posts before I get fully immersed in the festive season The Clustering Factor (CF)...
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Storage Indexes vs Database Indexes Part III: Hidden Values (Hide Away)
OK, my holiday to Hawaii is now slowing fading away into distant memory. Time for a new post In my previous post on differences between Exadata Storage Indexes and Database Indexes Part II, I discussed...
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Storage Indexes vs Database Indexes IV: 8 Column Limit (Eight Line Poem)
As Exadata Storage Indexes (SI) are purely memory only structures located on the Exadata storage servers, care needs to be taken in how much memory they can potentially consume. As a result, there is a...
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