AMIS, Data Driven Blog – Oracle & Microsoft Azure
Getting value from IoT, Integration and Data Analytics
Business Intelligence such as OLAP, BI Beans, Discoverer, Data Mining and Data Warehousing such as OWB
Apache Drill is a schema-free SQL query engine. Drill supports a variety of NoSQL databases and file systems, including HBase, MongoDB, MapR-DB, HDFS, MapR-FS, Amazon S3, Azure Blob Storage, Google Cloud Storage, Swift, NAS and local files. A single query can join data from multiple datastores. For example, you can […]
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0 The application and usage of the Oracle Database In-Memory has been described by Pom Bleeksma in this post. Oracle Database In-Memory can result in huge improvement in application query performance. This post will answer the question: “what would be an optimal situation for using the Oracle Database In-Memory feature?” The […]
0 0 Hereby a somewhat embarrasing story about a performance problem with an Oracle Warehouse Builder – database (11.2.0.3). Embarrasing, while it took too much time to figure out what was going on. The case: unexpectedly, within a week notice, the performance of an Oracle Warehoude Builder environment decreased drastically: logging in […]
0 0 Oracle OpenWorld is a monster event – 10Ks of attendees, thousands of sessions and 100Ks of private conversations that all help convey and define the message about Oracle’s strategy and the roadmap for its close to 4000 thousand products. Concurrent with OOW is the JavaOne conference that – at a […]
0 0 On Thursday 10th of October, the 12 man strong AMIS delegation at Oracle OpenWorld and JavaOne 2013 will present its findings in a 3 hour session at AMIS HQ in Nieuwegein, The Netherlands. You are welcome to attend this free session (from 16.30 on, food provided). Please register here: http://www.amis.nl/nl-NL/evenementen/technologie-evenementen/oow-review. […]
0 0 As I am about to start my ninth Oracle OpenWorld Conference, I am wondering what this year’s conference will have in store for me. My schedule is largely filled up, I know who I am going to meet, where I have to speak and where I need to go. Now […]
0 0 Vanaf 22 september vindt in San Francisco de Oracle OpenWorld conferentie plaats: hét evenement waar Oracle haar productstrategie uit de doeken doet en waar Oracle specialisten van over de hele wereld ervaringen uitwisselen. Tegelijk met Oracle OpenWorld wordt ook de JavaOne conferentie georganiseerd, het trefpunt voor de wereldwijde Java gemeenschap. […]
0 0 Three months ago started the Oracle program: Are You The Smartest. For me it is an opportunity to test my current knowledge level and to extend my knowledge. After every session I follow, I will write a brief summary as part of the preparation for the test. I will continue with the summary of […]
0 0 Three months ago started the Oracle program: Are You The Smartest. For me it is an opportunity to test my current knowledge level and to extend my knowledge. After every session I follow, I will write a brief summary as part of the preparation for the test. I will continue with the summary of […]
0 0 Van 15 tot en met 19 april geeft Luc Bors de 5-daagse ADF 11g training op het kantoor van AMIS in Nieuwegein. In 5 dagen leer je de basis van Oracle ADF 11g. De training bestaat basis uit presentatie, demonstratie en hands on, doorspekt met best practices en voorbeelden uit […]
0 0 Als sluitstuk van de jaarlijkse Oracle OpenWorld conferentie brengt AMIS een whitepaper uit. Een handzaam document waarin het volledige verhaal van Oracle OpenWorld 2012 is gebundeld. Een team van AMIS was tijdens de conferentie in oktober nadrukkelijk aanwezig; als sponsor, deelnemer, netwerker en spreker – en als aandachtig luisteraar en […]
0 0 Yesterday (16th October), 10 days of the end of the yearly Oracle show in San Francisco, AMIS organized its ‘Review from Oracle Open World 2012’ session with an overview of news, trends, announcements, special finds and interesting rumors . This session was ‘sold out’ (even though it was free). For […]
0 0 Hierbij nodigen we je uit om met ons kennis te komen maken. Ben jij een (junior) Oracle consultant die een stap verder wil maken? Wil je verder groeien en ontwikkelen tot principal consultant? AMIS geeft je de kans om die stap te zetten. Bij ons krijg je de ruimte om […]
0 0 The show is over, the visitors are on their way home. The process of digesting the announcements, roadmaps and rumors – confirmed or not – can proceed in full swing. What has become of last year’s plans, what are this year’s plans (for next year and beyond) and what has […]
0 0 The show of the year is around the corner: on Sunday it will all start again, the Oracle Open World conference. Tens of thousands of developers, architects, administrators, project managers, decision makers and others involved with Oracle products one way or another are gathering in and around San Francisco. AMIS […]
0 0 Hierbij nodigen we je uit om met ons kennis te komen maken. Ben jij een (junior) Oracle consultant die een stap verder wil maken? Wil je verder groeien en ontwikkelen tot principal consultant? AMIS geeft je de kans om die stap te zetten. Bij ons krijg je de ruimte om […]
0 0 Van 30 september tot 5 oktober is San Francisco weer het domein van tegen de 45.000 deelnemers aan de Oracle Open World en JavaOne conferenties. Ruim 2000 presentaties worden daar gehouden, in vele tientallen zalen in hotels en het Moscone Conferentie Center in downtown San Francisco, waaronder pakweg 20 door […]
0 0 Het zal je niet zijn ontgaan dat vorige week in San Francisco Oracle Open World woedde. In een krappe week legde Oracle voor zo’n 45.000 bezoekers de strategie neer, de roadmap voor tientallen productlijnen en ook een serie nieuwe aankondigingen. De meest opvallende lanceringen: de Oracle Public Cloud, de Oracle […]
0 0 In previous articles, I have suggested that the arrival of the Flashback Data Archive in Oracle RDBMS 11g allowed us to finally say goodbye to journalling tables. Keeping track of all changes and previous states of our records in our own dedicated tables is no longer required, was my statement […]
0 0 Yesterday evening we had our annual Oracle Open World review at our office in Nieuwegein. Around eighty people attended and all were very involved with the session. Five AMIS employees were at Oracle Open World, and each one covered one area of interest. Before dinner Lucas gave an overview of […]
0 0 Many organizations around the world have adopted Oracle technology for developing custom applications. Over the past two decades, they may have used PL/SQL, Reports, Forms, Designer, Portal or the Web PL/SQL Toolkit. Many of these organizations have come to face new challenges: more agility or functionality, new user groups or […]
0 0 Oracle Database 11g Release 2 introduces the successor to the good old Connect By based hierarchical querying, called Recursive Subquery Factoring. The basics are described in a previous article: https://technology.amis.nl/blog/6104/oracle-rdbms-11gr2-goodbye-connect-by-or-the-end-of-hierarchical-querying-as-we-know-it. This article will show some additional examples of using this recursive subquery factoring syntax. The essence of this recursiveness: […]
0 0 You are probably familiar with the FIRST_VALUE and LAST_VALUE analytical functions that were introduced some time ago into the Oracle RDBMS, in the 9iR2 release I believe (or at least that is when they made their way into the Standard Edition). These values are used to find the first respectively […]
0 0 “Exadata – Extreme Performance Warehousing“, that’s how the presentation on the last Friday morning from Oracle Open World started (Orig. Presentation Title was “Oracle’s New Database Accelerator: Query Processing Revolutionized”) while speaking about the new database machine. And indeed it was a revolution and it took the blogosphere by night. […]
0 0 Larry yesterday did his keynote here at Oracle Open World introducing the “Oracle(R) Exadata Storage Server”. This morning I attended a session about the technical details behind the server. In principal the server works with 8 nodes running RAC on Oracle Enterprise Linux 5. For the storage management ASM is […]
0 0 Most of the presentations for the sessions presented at Oracle Open World 2007, last week in San Francisco, can be downloaded from the Content Catalog at: http://www28.cplan.com/cc176/catalog.jsp. You will need to use the username/password combination cboracle/oraclec6 to download presentations. At http://www.oracle.com/openworld/2007/keynotes.html are all the keynotes, of which the one by […]
0 0 My first formal activity at Oracle Open World 2007 was the Oracle Ace Director Product Briefing. A closed session where 30 odd ACE Directors (and you read that any way you like) had assembled to get some glimpses of what Oracle’s future has in store as well as some in […]
0 0 One of the new features in the Oracle 11g database is called Oracle Total Recall. This is called marketing! I have read some weblogs where people – mostly DBAs – are surprised at all this attention for Oracle Total Recall, as it seems little more than the Flashback technology that […]
0 0 Row generation is a very useful technique for many (semi-)advanced SQL Queries. We have discussed various methods for row-generation in previous articles on our weblog. Examples are the CUBE operator, Table Functions and the Connect By Level < #number of records approach, apart from good old UNION ALL with multiple […]
0 0 The PIVOT operation is one frequently discussed when talking about more advanced SQL Queries. Pivoting is the process of switching rows and columns, and is for example an advanced feature in Excel. Before Oracle 11g, there were several approaches to pivoting, that were not work-arounds for the lack of the […]
0 0 One of the interesting new pieces of functionality in Oracle 11g is offered by the DBMS_COMPARISON package. This package allows us to compare two tables – or two views on tables – and inform us on the differences in data. More specifically: the package can summarize if there any changes […]
0 0 Last week I made my first steps with XML-Publisher 5.6 Desktop and I am very pleased with the simplicity you can create a report in such a short time. When you follow these instructions you can see it yourself. After you have installed the XML-Publisher 5.6 Desktop you open Microsoft Word […]
0 0 Last week I noticed that the long awaited Oracle Business Intelligence Standard Edition One was available on e-delivery download site and on Monday (25 June 2007) Oracle officially announced the general availability of Oracle Business Intelligence Standard Edition One. Oracle Business Intelligence Standard Edition One is based on the Siebel […]
0 0 I may be at JavaOne 2007, the important work still has to go on. Hence the latest in a series of SQL powered charts and graphs: the Gauge or Speedometer. Using nifty graphical tricks and the SQL*Plus 3D Pack, I managed to create a query that can render visually compelling, […]
0 0 Last Wednesday I visited the Oracle BI seminar in Utrecht. Underneath you find a brief description of the highlights. First of all Wouter van der Brugghen presented the Oracle BI strategy. Main strategic focus of Oracle BI is summarized below: Primary marketing tagline is: Pervasive BI, meaning BI for everybody. As an […]
0 0 After receiving a new, pretty powerful laptop, on Thursday and installing the Oracle BI Enterprise Edition on Friday, this weekend sees my first steps with the BI Publisher (previously known as XML Publisher). My colleague Marcos is our (AMIS’s) real expert in this area – you may have seen some […]
0 0 Although bitmap indexes are already available in Oracle 8i or even before (some sources even say 7.3!!!), they are still surrounded by many myths. Time for some clearing up. And believe it or not, every single myth mentioned here I heard many times in several projects.
0 0 One of the intriguing products in the Oracle Portfolio is Oracle BAM (Business Activity Monitoring). I have been trying to see it in action, learn more about and actually start using it for some time. Today I went to a presentation on BAM by its product manager – Tal Broda […]
0 0 Database Performance Analysis and Tuning of queries and Database Design have never been my specialty. As of late, I have been reading a lot in this area, on Wait Statistics and events 10046 and 10053, on different strategies for table design and index design, on partitioning and clustering and many […]
0 0 Recently I had to extract data from 5 Access databases and 4 Excel files and merge the data into an Oracle table. One method was to export the data from Access to Oracle via ODBC (at that stage I had not heard of Workbench ) but I was sure that there must be a way […]
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