Oracle Indexes

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New Zealand: “Oracle Indexing Internals and Best Practices” Seminars November 2018.

Good news for those of you in beautiful New Zealand. Due to popular demand, I’ll be returning to run some of my acclaimed “Oracle Indexing Internals and Best Practices” seminars in November 2018. The dates and events are: Wellington: 19-20 November 2018: Registration Here or Buy Directly Here Auckland: 21-22 November 2018: Registration Here or […]

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“Let’s Talk Database” coming to Wellington, Auckland, Brisbane and Perth in September.

Due to popular demand, I’ve been asked by Oracle to again run some more “Let’s Talk Database” events in September. Dates and venues are as follows: Monday, 3 September – Wellington (Wellington Oracle Office): Registration Link. Tuesday, 4 September – Auckland (Auckland Oracle Office): Registration Link. Wednesday, 12 September – Brisbane (Brisbane Oracle Office): Registration Link. Thursday, 13 September – Perth (Perth Oracle Office): Registration Link. […]

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FAQ: Webinars for “Oracle Indexing Internals and Best Practices”

I’ve been somewhat inundated with questions regarding the “Oracle Indexing Internals and Best Practices” webinar series I’ll be running in October and November since I announced both webinar series last week. So I’ve compiled the following list of frequently asked questions which I’m hoping will address most of those asked. If you have any additional […]

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Announcement: Webinars for “Oracle Indexing Internals and Best Practices” Now Confirmed !!

Exciting News !! I can now confirm the dates for my first webinars of my fully updated and highly acclaimed “Oracle Indexing Internals and Best Practice” seminar. For details of all the extensive content covered in the webinars, please visit my Indexing Seminar page. The webinars will run for 4 hours each day, spanning a full week period […]

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Announcement: Venue Confirmed For Upcoming Brussels “Oracle Indexing Internals and Best Practices” Seminar

I can finally confirm the venue for my upcoming “Oracle Indexing Internals and Best Practices” seminar in beautiful Brussels, Belgium running on 27-28 September 2018. The venue will be the Regus Brussels City Centre Training Rooms Facility, Avenue Louise / Louizalaan 65, Stephanie Square, 1050, Brussels. Note: This will be the last public seminar I’ll run […]

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Rebuilding Indexes: Danger With Clustering Factor Calculation (Chilly Down)

Let me start by saying if you don’t already following Jonathan Lewis’s excellent Oracle blog, do yourself a favour. In a recent article, Jonathan highlighted a danger with rebuilding indexes (or indeed creating an index) when used in relation to collecting index statistics with the TABLE_CACHED_BLOCKS preference. I’ve discussed the importance of the TABLE_CACHED_BLOCKS statistics […]

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Index Column Order – Impact On Index Branch Blocks Part II (The Weeping Song)

In Part I, I discussed how the order of columns in an index makes no real difference to the effectiveness of the index if all columns are referenced via equality predicates. If the leading column has a high number of distinct columns, it might result in less necessary data within index branches as less data […]

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Announcement: New Europe Seminar in Brussels, Belgium 27-28 September 2018

Due to popular demand, I’ll be running another of my acclaimed seminars in Europe later in the year, this time in Brussels, Belgium on 27-28 September 2018. This is a must attend seminar of benefit to not only DBAs, but also to Developers, Solution Architects and anyone else interested in designing, developing or maintaining high […]

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Index Column Order – Impact On Index Branch Blocks Part I (Day-In Day-Out)

I recently replied on Twitter to some comments regarding an excellent blog post by Franck Pachot – Covering indexes in Oracle, and branch size, where I disagreed somewhat with one of the conclusions stated in the post: “ensure that selective columns appear as early as possible (without compromising the index access efficiency of course) in order to […]

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Announcing July/August Australian Dates: “Oracle Indexing Internals and Best Practices” Seminar

I’m very excited to announce new Australian dates for my highly acclaimed “Oracle Indexing Internals and Best Practices” seminar. This is a must attend seminar of benefit to not only DBAs, but also to Developers, Solution Architects and anyone else interested in designing, developing or maintaining high performance Oracle-based applications. It’s a fun, but intense, […]

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