My Blog List
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Moving Databases from ASM to ZFS on Exadata
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Exadata is the best database machine available to run every Oracle database
workload. But many times, within Exadata proliferate a large number of test
a...
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Computing Oracle SQL_ID and HASH_VALUE
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I needed an hash function, in Java, which is simple, practically less
collision and provides a short alphanumeric or an unsigned number as hash
for any str...
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Presentation – Working with Oracle Database in VB.Net with ODP.Net and
Visual API Toolkit; Enhancing Visual Manufacturing 9.0.0
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August 7, 2017 A few weeks ago I gave a presentation to a regional group of
ERP users, some with an Oracle Database backend and some with a Microsoft
SQL S...
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latency heatmaps in D3 and Highcharts
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See Brendan Gregg’s blog on how important and cool heatmaps can be for
showing latency information and how average latency hides what is really
going on: ...
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2024 – A Look Back
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2024 was a pretty busy year for me. It was one marked with change as I
shifted the beginning of
Tags: year in review
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pgbouncer and slow server pool increase
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This post is about an issue I ran into when trying to use pgbouncer in
front of Yugabyte YSQL, the postgres layer yugabyte reuses for handling
relational d...
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Use Snowflake and Zepl to Analyse Covid-19 (coronavirus) Data
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Coronavirus changed our life, most of us are stuck at home. We are trying
to follow everything about the pandemic. So I wanted to write a blog post
which w...
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New Index enhancement in Oracle 12c Part 1 – Multiple indexes on the same
set of columns
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New Index enhancement in Oracle 12c Part 1 – Multiple indexes on the same
set of columns In the article you will have a look at the following new
index f...
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Exadata X8M - World's Fastest Database Machine
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Exadata X8M has launched during OOW 2019, and termed as world's fastest
Database Machine. Let's walkthrough about new additions that has made X8M
as world...
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my Time/Task/Goal/Habit (TTGH) management
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There was a post last night on oracle-l on the topic of task/project/time
management, and I’m a big fan of productivity hacks and the whole GTD idea
or met...
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Hotsos Symposium 2018
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Just a quick note to say I’m doing a couple of talks at this year’s Hotsos
Symposium, which starts next Monday at 8:30AM. It’s not too late to
register. ...
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Following Various Legal Action Regarding “Oracle Cloud Revenue”
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As a courtesy, I would like to provide a copy of the latest legal document
filed in an action being brought against Oracle leadership resulting from
allege...
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negative regexp
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if you want to grep anything except foo, use grep -v or negative lookahead
echo -e 'foo\nbar\nboz'|grep -P '^(?!.*foo).*$' bar boz it is just so
beautiful ...
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Updating Exadata Database Nodes (2)
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Just a small note that starting Exadata 12.2.1.1.0 dbnodeupdate.zip is no
more available as a separate download. Exadata Database Node updates should
be ap...
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Node-express MLE/JavaScript example
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A short post demonstrating how to use node-express and Oracle's
Multilingual Engine (MLE) in Release 23ai
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Pluggable Database Cloning using Snapshot Copy
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OEM SSL Cipher Hardening Reset After Securing OMS
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I have recently been installing Oracle Enterprise Manager at several sites,
and one of the key requirements has been to ensure that the installation
isn’t ...
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Embedding Vectors of the Same Image Rotated Over 360 Degrees
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Last year I wrote an article about visualizing embedding vectors of a
variety of different pictures as heatmaps. I used TorchVision with
ImageNet1K_V1 mode...
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OTW18 Sessions: Data Engineering and Latch Contentions
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Thank you all those who came to my sessions at the OakTable World. Here are
the presentations materials
Think Data; not Database
Data Engineering for Data ...
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Oracle University Provides the Best Test Fests
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Oracle University Certification Exams Are once again available at Test
Fests at various events. Last year at the TECH14 and APPS14 conferences,
the UK Orac...
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Pickleball & Longevity
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Studien zufolge trägt die Trendsportart Pickleball in nahezu idealer Weise
zur Langlebigkeit bei! Wer möchte nicht sein Leben bei guter Gesundheit um
10 Ja...
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Exadata Flash Cache WriteBack
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With the announcement Exadata X3, Oracle has introduced a new feature
called “FlashCache Writeback” to allow writes to cell Flash Cache
(aka Exadata Smart ...
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Oracle Ksplice introduces Known Exploit Detection functionality
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The Oracle Ksplice team has added some really cool new functionality in
Oracle Ksplice. Instead of writing and copying the blog pretty much, just
go dire...
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