The good DBA is one who learns from his mistakes, the best DBA is one who learns from other DBA's mistakes
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Julian Dontcheff's Database Blog | The good DBA is one who learns from his mistakes, the best DBA is one who learns from other DBA's mistakes | juliandontcheff.wordpress.com Reviews
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The good DBA is one who learns from his mistakes, the best DBA is one who learns from other DBA's mistakes
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December | 2014 | Julian Dontcheff's Database Blog
https://juliandontcheff.wordpress.com/2014/12
Julian Dontcheff's Database Blog. Archive for December, 2014 Monthly archive page. On December 30, 2014. The WordPress.com stats helper monkeys prepared a 2014 annual report for this blog. Here’s an excerpt:. The Louvre Museum has 8.5 million visitors per year. This blog was viewed about 89,000. Times in 2014. If it were an exhibit at the Louvre Museum, it would take about 4 days for that many people to see it. Click here to see the complete report. 9654; View 1 Comment. On December 1, 2014. The READ obj...
Reading Data in Oracle Database 12c | Julian Dontcheff's Database Blog
https://juliandontcheff.wordpress.com/2014/12/01/reading-data-in-oracle-database-12c
Julian Dontcheff's Database Blog. Reading Data in Oracle Database 12c. On December 1, 2014. 1 For DBAs and Developers, the words READ and SELECT have been for years somehow synonyms. In 12c, is there now any difference? 2 Before pluggable databases, selecting data from the SALES table for instance meant selecting data from a table called SALES in a certain SCHEMA within the database. How about if a table called SALES belongs to several pluggable databases under the same schema name? 1 New READ privilege.
February | 2015 | Julian Dontcheff's Database Blog
https://juliandontcheff.wordpress.com/2015/02
Julian Dontcheff's Database Blog. Archive for February, 2015 Monthly archive page. Oracle X5 vs BMW X5. On February 12, 2015. Oracle Exadata X5 is the latest generation of Engineered Systems which can be compared to a BMW X5. The “equivalent” integrated systems of competitors fall into the category of a mid class sedan except for the price. You must be willing to pay less in order to get the double and triple performance of Exadata. What is worth rather watching than reading is the following presentation...
New Features of Oracle NoSQL | Julian Dontcheff's Database Blog
https://juliandontcheff.wordpress.com/2015/07/04/new-features-of-oracle-nosql
Julian Dontcheff's Database Blog. New Features of Oracle NoSQL. On July 4, 2015. 8220;In open source, we feel strongly that to really do something well, you have to get a lot of people involved.” Linus Torvalds. Currently, there are about 150 NoSQL databases. There are 5 major NoSQL data models: Collection, Columnar, Document-oriented, Graph and Key-value. Oracle NoSQL, based on BerekelyDB (first release in 1994), was recently named by Forrester Research. Was written by Gary MacFadden. Lat month (June 20...
Twelve new DBA commands for Oracle 12c | Julian Dontcheff's Database Blog
https://juliandontcheff.wordpress.com/2014/01/25/twelve-new-dba-commands-for-oracle-12c
Julian Dontcheff's Database Blog. Twelve new DBA commands for Oracle 12c. On January 25, 2014. With more than 500 new features, Oracle Database 12c is designed to give us exactly what we need for easy database administration, consolidation, security and availability. And I cannot deny the complexity it brings into our pluggable world…. But straight to the point. Here are 12 new commands for Oracle DBAs:. 1 impdp … transform=disable archive logging:Y. GET OPATCH BUGS: Provides a bugs list for a patch.
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12c « SQLMDX
https://sqlmdx.net/tag/12c
Eventually it's all about data. Dsvolk Oracle News [ru]. Posts Tagged ‘12c’. Fetch first … percent. On December 19, 2015. New syntax for so called “Top N” queries was introduced in Oracle 12c. It can be used to return either fixed number of rows or specified percent of rows in a table. Obviously latter requires to know the total number of rows to return the result so let’s check what is happening under the hood in this case. Read the rest of this entry ». Context switches may not be an issue any longer.
built-in packages « SQLMDX
https://sqlmdx.net/tag/built-in-packages
Eventually it's all about data. Dsvolk Oracle News [ru]. Posts Tagged ‘built-in packages’. On September 27, 2014. Dbms comparison was introduced in 11g as a powerful tool to compare and synchronize table data in different tables. Even though it’s quite flexible it has some limitations:. 1 The tables are supposed to be in different databases. Therefore if you want to compare tables in the same database you will need to create fake db link. 2 The tables must have unique indexes. Blog at WordPress.com.
2014 September « SQLMDX
https://sqlmdx.net/2014/09
Eventually it's all about data. Dsvolk Oracle News [ru]. Archive for September, 2014. On September 30, 2014. Almost everyone who has some experience with Oracle knows about notorious notion called “context switches” between SQL and PL/SQL engines. You can find a great explanation of context switches by Tom Kyte here. Read the rest of this entry ». On September 27, 2014. Dbms comparison was introduced in 11g as a powerful tool to compare and synchronize table data in different tables.
2014 May « SQLMDX
https://sqlmdx.net/2014/05
Eventually it's all about data. Dsvolk Oracle News [ru]. Archive for May, 2014. Amending statistics list for autotrace. On May 24, 2014. I wonder why Oracle has not added possibility to change the list of statistics for autotrace but unfortunately that’s a fact. You cannot change the default format of the statistics report. However there are at least three different ways to view the extended list of statistics for given session. Advantage is the ease of monitoring several sessions with the same client id.
2013 December « SQLMDX
https://sqlmdx.net/2013/12
Eventually it's all about data. Dsvolk Oracle News [ru]. Archive for December, 2013. Query transformations in Oracle: join elimination. On December 14, 2013. Join elimination appeared in Oracle version 10gR2. Read the rest of this entry ». Query transformations in Oracle: or-expansion. On December 8, 2013. As you may know there are two types of query transformations in Oracle: heuristic-based and cost-based. Read the rest of this entry ». Blog at WordPress.com.
2014 October « SQLMDX
https://sqlmdx.net/2014/10
Eventually it's all about data. Dsvolk Oracle News [ru]. Archive for October, 2014. Yet another approach to overcome bloom filter bug. On October 4, 2014. Bloom filter may help to dramatically reduce amount of data to be read from partitioned table by eliminating unneeded partitions. Is a nice introduction into bloom filters. Unfortunately bloom filter doesn’t work with DML which causes a lot of challenges in 11gR2. However that note doesn’t suggest any workarounds. Read the rest of this entry ».
Perl « SQLMDX
https://sqlmdx.net/category/perl
Eventually it's all about data. Dsvolk Oracle News [ru]. Archive for the ‘Perl’ Category. Evolution of regular expressions. On July 2, 2016. Frankly speaking “evoulution” is not quite proper word to title this post. I’m going to show some extensions in regular expressions in different languages in compare to their implementation in Oracle. Oracle supports regular expressions according to POSIX standard draft 1003.2/D11.2 and two extensions. Matching capabilities for multilingual data.
2013 November « SQLMDX
https://sqlmdx.net/2013/11
Eventually it's all about data. Dsvolk Oracle News [ru]. Archive for November, 2013. Query transformations in Oracle: view merging. On November 14, 2013. Query transformations in Oracle is a part of query optimization. In short, query optimization can be divided into three parts. 1 Logical optimization: query transformation. 2 Physical optimization: searching for optimal access paths, join methods, join orders. 3 Cost Estimator: choosing the optimal plan. Read the rest of this entry ».
Tools « SQLMDX
https://sqlmdx.net/tools
Eventually it's all about data. Dsvolk Oracle News [ru]. Leave a Reply Cancel reply. Enter your comment here. Fill in your details below or click an icon to log in:. Address never made public). You are commenting using your WordPress.com account. ( Log Out. You are commenting using your Twitter account. ( Log Out. You are commenting using your Facebook account. ( Log Out. You are commenting using your Google account. ( Log Out. Notify me of new comments via email. Blog at WordPress.com.
CBO « SQLMDX
https://sqlmdx.net/tag/cbo
Eventually it's all about data. Dsvolk Oracle News [ru]. Posts Tagged ‘CBO’. Query transformations in Oracle: join elimination. On December 14, 2013. Join elimination appeared in Oracle version 10gR2. Read the rest of this entry ». Query transformations in Oracle: or-expansion. On December 8, 2013. As you may know there are two types of query transformations in Oracle: heuristic-based and cost-based. Read the rest of this entry ». Query transformations in Oracle: view merging. On November 14, 2013. 2 Phy...
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Julian Dolce
BlackBerry Dev Con(2011, 2012, 2013), Adobe Max(2010, 2011), FiTC(2004, 2005, 2011), Flash Forward(2006), Flash Belt(2006, 2007, 2008, 2009, 2010), Flash Pitt(2008, 2009), Flash on the Beach(2008, 2009, 2010), Flash Camp Brazil(2011, 2012). I created a small Arduino library to help with displaying numbers using 7 segment displays through a shift resistor. You can find all of the code over at https:/ github.com/jdolce/SevenSegDigits.
Julian Dolman | Photographer : Julian Dolman | Photographer
Over the past 15 years, Julian Dolman has become one of Australia’s most sought-after photographers by actors, theatrical agents and for publicity photography. His headshot and portrait work is known for both his use of natural light and his ability to create a filmic look, which has become the benchmark for a new generation of headshot photographers. Over the years, Julian has been involved in a range of non-commercial and personal projects. His most recent work is featured in the newly-published bo...
Inicio | Julián Domínguez
Actualmente soy el Presidente de la Honorable Cámara de Diputados de la Nación y precandidato a Gobernador de la Provincia de Buenos Aires. Ejercí el cargo de Ministro de Agricultura, Ganadería y Pesca de la Nación (2009-2011), Viceministro del Ministerio de Defensa de la Nación (2003), Vicejefe de Gabinete de la Jefatura de Gabinete de Ministros de la Nación (2003), Ministro de Obras y Servicios Públicos en el Gobierno de la Provincia de Buenos Aires (1999 2002) y fui Intendente de Chacabuco, mi pueblo.
Julian Donatelli-Fotografía Profesional Bariloche
La memoria no guarda películas, guarda fotografías."- Milan Kundera.
juliandonnelly.blogs.bankruptcyhelp.org.uk
Julian Donnelly
Write off up to 70%. Ave write off 45%. Total Debt: £. Income (per M) £. Expenses (per M) £. Blogs from the Bankruptcyhelp.org.uk Community Portal. Bankruptcy News August 2008. August 12th, 2008 by juliandonnelly. Thereâ s been a lot of news lately, so hereâ s my update for August 2008â. The latest insolvency statistics have been released recently. There were 24,553 individual insolvencies in England and. Last year saw a fundamental shift in creditor attitudes to IVAâ s with the bar being raised from a m...
Julian Dontcheff's Database Blog | The good DBA is one who learns from his mistakes, the best DBA is one who learns from other DBA's mistakes
Julian Dontcheff's Database Blog. DBA Internals of the Oracle Autonomous Database. On March 28, 2018. First things first: the word autonomous come from the Greek word autónomos which means “with laws of one’s own, independent”. After starting using the Autonomous Data Warehouse Cloud. 2 You cannot create indexes on columns, you cannot partition tables, you cannot create materialized views, etc. Not even database links. You will get an error message: “ORA-00439: feature not enabled: Partitio...ADWC lets y...
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El Blog de Julián
El Blog de Julián. Miércoles, 23 de marzo de 2011. Apoyo a Córdoba 2016, Capital Europea de la Cultura. Aquí os dejo mi presentación con mi apoyo a la candidatura de Córdoba para que se proclame Capital Europea de la Cultura en 2016. Espero que entre todos podamos conseguir este objetivo que nos beneficia a todos los ciudadanos. Enviar por correo electrónico. Lunes, 21 de marzo de 2011. Una marea azul por Córdoba 2016. Enviar por correo electrónico. Miércoles, 16 de marzo de 2011. Para ver mis apuntes.
Wear Me Out Creations | by Julian Dorado
Wear Me Out Creations. This entry was posted on. November 30, -0001. Proudly powered by WordPress.
Julian Dorn
Artboard 1 Copy 9. I'm Julian Dorn, a german based designer, wandering through the creative fields of ux, animation and interaction design. If you're interested in a collaboration, partnership or want to hire me:. Give – digital legacy. Senpad – Internet for elderly. Concept and visual design. Eva – evolution of agriculture. Conception and UI design.
Julian Dorn
Mensch. Denker. Macher. Dies ist mein private Seite um meine verschiedenen Aktivitäten hier im virtuellen Raum zu bündeln. Viel Spaß beim Durchstöbern meiner virtuellen Identität. In meinem Blog Juli bis Dezember. Sammel ich aufgeschnapptes Wissen aus verschiedenen Bereichen. Es kann sein, dass keine Struktur erkennbar sein wird, aber vielleicht findest du trotzdem etwas Hilfreiches oder einen interessanten Beitragen. Vereint alle Programmierprojekte von meinem Bruder und mir bis Anfang 2012.
