Blog Post: Mi Recorrido con Tecnologia Oracle (Parte 4)
Note: This article was written originally in Spanish. If you are reading this article in other language it is because of the automatic translator of ToadWorld. En la Parte 3 de mi recorrido con...
View ArticleBlog Post: DAMA Ireland: Data Protection Event 5th May
We have our next DAMA Ireland event/meeting coming up on the 5th May, and will be in our usual venue of Bank of Ireland, 1 Grand Canal Dock. Our meeting will cover two topics. The main topic for the...
View ArticleBlog Post: Expresiones Regulares en Oracle (. + ? *)
Hoy nos metemos de lleno con ejemplos de uso de expresiones regulares en Oracle. Veamos la primera lista de metacaracteres: Punto (.) Suma (+) Asterisco (*) Interrogación (?) Hace algunos días he...
View ArticleBlog Post: Why Brian Hitchcock and I (probably) know more about Oracle...
Click on the picture to download the latest issue of the NoCOUG Journal Brian Hitchcock’s secret is simple. For twelve years, he has been reading books on Oracle Database. And taking extensive notes....
View ArticleBlog Post: Accessing the R datasets in ORE and SQL
When you install R you also get a set of pre-compiled datasets. These are great for trying out many of the features that are available with R and all the new packages that are being produced on an...
View ArticleBlog Post: Why should Oracle Database professionals care about NoSQL and...
Dr. Edgar Codd, the inventor of relational theory wrote in 1986 (thirty years ago): “Only if the performance requirements are extremely severe should buyers rule out present relational DBMS products on...
View ArticleBlog Post: How is data modeled in NoSQL?
The first question that you will have when you start your NoSQL journey is “How is data modeled in NoSQL?” The important thing to understand is the data does not change just because it is managed...
View ArticleWiki Page: PUSH_PRED hint
The PUSH_PRED hint has undocumented parameters which control which specific predicates are pushed into an inline view.
View ArticleBlog Post: Fix - TFA Failed to start listening for commands
Today I was trying to play for a while with TFA, however when I tried to started it up I received some error that we could fix by downloading the latest version of TFA and Patching or re-installing the...
View ArticleBlog Post: Oracle Data Visualisation : Setting up a Connection to your DB
Using Oracle Data Visualisation is just the same or very similar as to using the Cloud version of the tool. In this blog post I will walk you through the steps you need to perform the first time you...
View ArticleWiki Page: Oracle 12c: SEED (PDB$SEED) pluggable database is in unusable...
Introduction Oracle 12c has introduced the multi-tenant architecture for Oracle database, where a single container database (CDB$ROOT) can have multiple pluggable databases (PDBs). This new...
View ArticleForum Post: RE: Mapping of US States with the two character State ID
Hmm. The reply I sent by email appears to be somewhat truncated above. I wonder why? Never mind, here you are, this might help. There may be some "states" that are overseas territories, but you can...
View ArticleForum Post: RE: Mapping of US States with the two character State ID
Sorry, the web page appears to have fragged the line spacing. Sigh.
View ArticleForum Post: RE: Mapping of US States with the two character State ID
And I wouldn't bother putting an index or primary key on the above. Oracle will probably never use it as the table will fit into one or two 8k blocks and will always be read with a full scan. :-)
View ArticleWiki Page: The Oracle User Experience Rapid Development Kit
If you have seen Oracle Cloud Applications, you will be familiar with the simplified UI that is the first view every user gets of the application. Based on Oracle's extensive usability research, the...
View ArticleBlog Post: Loading Data From CSV File Into MySQL Table
This is my first ever post in MySQL, Reason is that I just started working in MySQL very recently. My requirement of the day was very simple, I had to load a set of data rows from a csv file into a...
View ArticleBlog Post: When SQLT is not enough
When tuning a SQL query, I rely on a SQLT report because it has all kinds of pertinent information including—to name just a few—optimizer settings, indexes, statistics, plan history, and view...
View ArticleBlog Post: Snap Clone Via Self Service Portal – Part 1
A friend asked: “I am setting up the “PDB as a service portal” in Enterprise Manager Cloud Control 13c. I want to ask, how I can create a profile for a pdb as this is a requirement for a creating a...
View ArticleWiki Page: Exadata – Discover Cluster and Database in OEM 12c
Introduction To manage Exadata Database Machine you first Discover the Exadata machine in OEM 12c. Discovering Exadata Machine in OEM 12c consists of the following steps: Installing Enterprise Manager...
View ArticleBlog Post: Upgrading TFA to use the RAC and DB Support Tools
If you have installed Grid Infrastructure 12.1.0.2 you will notice that TFA is already included there, and actually TFA started to be included since Oracle GI 11.2.0.4. The version that come with GI...
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