Wiki Page: Loading Sequence File Data into Oracle Database
Sequence files are used in Hadoop as input/output formats and the temporary outputs generated by map tasks are also stored as Sequence files. Sequence files store data as binary key/value pairs. If the...
View ArticleWiki Page: Loading RCFile Format Data into Oracle Database
RCFile or Record Columnar File format is a flat file data placement structure consisting of binary key/value pairs. Record Columnar implies that columns of a table are stored in a record columnar...
View ArticleWiki Page: Using Oracle Coherence with Oracle NoSQL Database
Oracle Coherence is an in-memory clustered data management technology that provides data caching for the applications running in the cluster. In effect, Oracle Coherence is a data service that provides...
View ArticleWiki Page: Oracle SQL Connector for Hadoop
Articles about Oracle SQL Connector for Hadoop
View ArticleWiki Page: Querying Apache Hive from an Oracle Database 11g External Table...
In the preceding article on Oracle SQL Connector for HDFS (OSCH) we created an external table located on a delimited text file in HDFS. In this article we shall create an external table with an Apache...
View ArticleWiki Page: Extend /u01 File System On Exadata Compute Node
Introduction I have been working on an Exadata X4-2 quarter Rack which has multiple databases running (database consolidation). After running these databases for a while on the Exadata cluster, we...
View ArticleBlog Post: R12 Autoconfig – BEGIN fnd_gsm_util.append_ctx_fragment – ORA-25153
After manually refreshing the clone database of oracle EBS R12.1.3 we executed autoconfig to complete the process of clone refresh, but it failed with following error:...
View ArticleBlog Post: I Love Backups and APIs, a.k.a., Test Delete Processes VERY...
The PL/SQL Challenge offers weekly quizzes on SQL, PL/SQL, Database Design, Application Express, and Logic. A week on this website starts on Saturday at 00:00:00 UTC and ends on Friday at 23:59:59 UTC....
View ArticleBlog Post: EM13c DBaaS, Part 2, Thin Clone Issues
I’ve been working on a test environment consisting of multiple containers in a really cool little setup. The folks that built it create the grand tours for Oracle and were hoping I’d really kick the...
View ArticleBlog Post: Error 503 - Service Unavailable - Oracle REST Data Services y APEX...
Un problema que tuve el otro día que me llevó bastante tiempo tratar de encontrar la solución y es el que quiero compartir con ustedes. Tengo una instalación de Apex 5.0.3.00.03 desplegándose en...
View ArticleWiki Page: HOW TO USE ORDER BY CLAUSE INSIDE UNION ALL QUERY
HOW TO USE ORDER BY CLAUSE INSIDE UNION ALL QUERY (USING ORDER BY CLAUSE IN EACH INDIVIAUAL QUERIES & JOIN THEM USNING UNION ALL) Author JP Vijaykumar Date March 8th 2016 create table temp_jp(id...
View ArticleWiki Page: CHOOSING SAMPLE PERIOD TO CALCULATE AVERAGES
CHOOSING SAMPLE PERIOD TO CALCULATE AVERAGES Author JP Vijaykumar Date Mar 8th 2016 This is a test case scenario, wherein I generated average database growth info. Based on the average growth values, I...
View ArticleBlog Post: La función EXTRACT
El artículo de hoy está dedicado a una función del lenguaje SQL. Se trata de una función poco difundida pero que suele venir como anillo al dedo cuando operamos sobre datos de tipo DATE, DATETIME o...
View ArticleBlog Post: Collaborate is the secret to your DBA success.
Whether your preference is Webster’s or some other source of reference, one thing is certain, the definition of collaboration focuses on the ability to work together jointly or as a team to achieve an...
View ArticleForum Post: Access violations
Hi, Trying to make the big step from 9.7 to 12. I installed the trial and wanted to test it in a real situation. But without knowing what I'm doing wrong I get frequently an access violation. For the...
View ArticleBlog Post: Cedar’s Oracle Cloud Day 2016 – Recap
Cedar held its annual Oracle Day in Oracle’s City office last Thursday – it was actually our 6th year of running the event. The attendance was great – just short of 100 – and with 3 streams of content...
View ArticleBlog Post: I’m Sasank Vemana and this is how I work
The next profile in our ‘ How I Work ‘ series is Sasank Vemana. Sasank burst onto the PeopleSoft blogging scene in 2014 with his Sasank’s PeopleSoft Log site, and has been adding entries at a ferocious...
View ArticleBlog Post: Customizing HCM Cloud ‘Getting Started’
Introduction The days of all employees attending mandatory training courses to learn how to use a new HR system are a long time in the past. Weighty training manuals are also seen far less frequently...
View ArticleWiki Page: Managing and Troubleshooting Exadata
Articles on Managing and Troubleshooting Exadata
View ArticleWiki Page: Managing & Troubleshooting Exadata Part 3 – Migrating Databases to...
Written by Syed Jaffar Hussain This part of the article series is going to summarize the most commonly adopted database migration approaches and tools to migrate an existing Oracle databases to Exadata...
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