Blog Post: Overuse of Group by/Having Clause
Hi, I found Nimish’s information via Linkedin…if you are a part of Linkedin…please ask me to add you to my group. Nimish goes into great detail on a query he tuned by using more analytical functions...
View ArticleBlog Post: Oracle ROWID
Hi, Let’s chat a little about Oracle ROWID. ROWID is the physical location of any row of data in the Oracle database. Indexes use a key value it holds with these ROWIDs in leaf blocks. ROWID is made of...
View ArticleBlog Post: Oracle Block Internals – Part 2 – The Segment Header
Hi! Welcome back. Part 1 of this series discussed how to dump blocks, how to find the segment header and started to take a look at the internal block representation of a data block. Part 1 also made...
View ArticleBlog Post: The need of refreshing/copying an Oracle 12c Password File (stored...
SUMMARY As part of ongoing engagement with a client, very recently I was configuring an Oracle 12c Active Data Guard (ADG) for their one of business critical RAC databases on Exadata. Although I have...
View ArticleWiki Page: Using MySQL Database with Docker Engine
Written by Deepak Vohra If MySQL database is to be installed on Linux it involves creating a mysql user and group, downloading and un-packaging the binary distribution tar.gz file, running the...
View ArticleWiki Page: Enterprise Manager General Monitoring - Part IV
Written by Porus Homi Havewala We are looking at the General Monitoring capabilities of Enterprise Manager, as experienced by Enterprise Manager Administrators or Cloud Administrators. Part III was...
View ArticleWiki Page: Personalizar la Plantilla Cards en Oracle APEX 5.0
Written by Clarisa Maman Orfali Si estás buscando una forma de personalizar la plantilla de las Cards y darle color definido a los iconos y al borde superior para presentarlo en tu aplicación en APEX,...
View ArticleBlog Post: Oracle Enterprise Manager Snap Cloning
Hi, Oracle12 Enterprise Manager helps you clone databases quickly. Features include using database features (such as RMAN, Data Pump, and Data Guard) to do full clones or using the storage unit’s...
View ArticleBlog Post: My OTN Tour 2016 Agenda
This year will be the 4th year that I have been Speaker in one of the biggest event in Latin America, the OTN Tour 2016 . This event touches 10 countries of Latin America in just 2 weeks, several...
View ArticleBlog Post: On An Average Day
"There are other advantages," continued the child. "For instance, if one rat were cornered by nine cats, on the average, each cat would be ten percent rat and the rat would be ninety percent cat. If...
View ArticleBlog Post: Oracle Sets New Security Patch Record
Oracle has released the July 2016 Critical Patch Update , and it covers a record 274 security issues across pretty much every Oracle product. If you are an Oracle customer, you are almost certainly...
View ArticleBlog Post: Latest Enterprise Manager Application Management Pack (AMP)...
Enterprise Manager Cloud Control 13c’s Application Management Pack (AMP) 13.1.1.1 for Oracle E-Business Suite has been recently released. Using this, you can manage Oracle E-Business Suite 11.5.10.2,...
View ArticleBlog Post: addnode Oracle 12c RAC – Error on Saving cluster Inventory
In one of the recent assignment we were adding 2 cluster nodes to an existing 8 node cluster and we encountered an error while saving a cluster Inventory on the new cluster nodes. The following is the...
View ArticleBlog Post: Oracle EBS R12.2 Installation Issue with Start CD 51
Oracle EBS 12.2 Installation is performed by using the start here CD and oracle keeps on releasing the newer version of start CD’s to include bug fixes and new enhancements. Currently start CD 51 is...
View ArticleBlog Post: How to schedule a procedure to run inside a period of time
How many of us have had to schedule a job to run inside an Oracle Database? I believe this is one of the most common task that a DBA performs. But, some time the request doesn't end there, how about if...
View ArticleComment on How to Identify a Buffer Cache Chain Latch Problem
SQL (Identify Session Waits) has errors and it should be : SELECT username, V$SESSION_WAIT.sid, V$SESSION_WAIT.event, V$SESSION_WAIT.seq#, V$SESSION_WAIT.seconds_in_wait, V$SESSION_WAIT.wait_time,...
View ArticleBlog Post: Quick guide to use Transparent Data Encryption (TDE)
Transparent Data Encryption (TDE) is designed to provide the ability to transparently apply encryption within the database without impacting our applications. TDE provides the benefit of encryption...
View ArticleBlog Post: Oracle Explain Plan Review
Hi, Here is one from email…the original questions and my reply, my suggestions and why. I have a quick question about the rows on the IO tab of the Session Browser. I have a single SQL running that is...
View ArticleBlog Post: Creando una Región de tipo Árbol desde el Diseñador de Páginas en...
Un árbol se basa en una consulta SQL y devuelve los datos representados en una jerarquía. El formato de la consulta que debemos respetar es el siguiente: SELECT status, level, name, icon, id, tooltip,...
View ArticleWiki Page: Streaming Kafka Messages to MySQL Database
Written by Deepak Vohra Consider the use case for an open source messaging system in which the messages produced are also to be stored in a relational database. While Apache Kafka produces and consumes...
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