Easily manage dual backup destination with RMAN
Backup on disk with RMAN is great. It’s fast, you can set as many channels as your platform can handle for faster backups. And you can restore as fast as you can read and write files on disk with these...
View ArticleThe size of Oracle Home: from 9GB to 600MB
This is research only and totally unsupported. When building docker images to run Oracle Database in a container, we try to get the smallest image possible. One way is to remove some subdirectories...
View ArticleA tribute to Natural Join
By Franck Pachot . I know that lot of people are against the ANSI join syntax in Oracle. And this goes beyond the limits when talking about NATURAL JOIN. But I like them and use them quite often. Why...
View ArticleClik here to view.
Restoring a database without having any controlfile backup
It should never happen but sometimes it happens. You just lost your datafiles as well as your fast recovery area (probably because most of the time these areas are on the same disks despite the...
View ArticleClik here to view.
COMMIT
By Franck Pachot . COMMIT is the SQL statement that ends a transaction, with two goals: persistence (changes are durable) and sharing (changes are visible to others). That’s a weird title and...
View ArticleSQL Plan stability in 11G using stored outlines
Plan stability preserves execution plans in stored outlines. An outline is implemented as a set of optimizer hints that are associated with the SQL statement. If the use of the outline is enabled for...
View ArticleClik here to view.
How to migrate Grid Infrastructure from release 12c to release 18c
Oracle Clusterware 18c builds on this innovative technology by further enhancing support for larger multi-cluster environments and improving the overall ease of use. Oracle Clusterware is leveraged in...
View ArticleClik here to view.
Oracle Open World 2018 D 0: Bike trip starting on Golden Gate
Today (22.10.2018) my colleague Mouhamadou and me had the opportunity to make a bike trip (#BikeB4OOW) organized by Bryn Llewellyn product manager for Oracle PL/SQL and Edition Based Redefinition...
View ArticleClik here to view.
Oracle Open World 2018 D2: Mark Hurd’s keynote – Accelerating Growth in the...
During this second day at Oracle Open World 2018 (24.10.2018) I attended to Mark Hurd’s keynote name “Accelerating Growth in the Cloud. Several famous people participated to this keynote such as: Ian...
View ArticleReimaging an old X3-2/X4-2 ODA
Introduction X3-2 and X4-2 ODAs are still very capable pieces of hardware in 2018. With 256GB of RAM and at least 16 cores per node, and with 18TB RAW disk capacity as a standard these appliances are...
View ArticleClik here to view.
My DOAG Debut
Unbelievable! After more than 10 years working in the Oracle Database environment, this year was my first participation at the DOAG Conference + Exhibition. After a relaxed travel to Nürnberg with all...
View ArticleDOAG 2018: OVM or KVM on ODA?
The DOAG 2018 is over, for me the most important topics were in the field of licensing. The insecurity among the users is great, let’s take virtualization on the ODA, for example: The starting point:...
View ArticleStrange behavior when patching GI/ASM
I tried to apply a patch to my 18.3.0 GI/ASM two node cluster on RHEL 7.5. The first node worked fine, but the second node got always an error… Environment: Server Node1: dbserver01 Server Node2:...
View Articleodacli create-database fails on ODA X7-2HA with java.lang.OutOfMemoryError
Today I was onsite at my customer and he told me: I can no longer create databases on my ODA X7-2HA, every time I try to use odacli create-database it fails, please help. Ok, let’s check what happens,...
View ArticleClik here to view.
OEM Cloud Control 13c – Agent Gold Image
Introduction I am currently setting up a new “Base Image” virtual machine (Red Hat Enterprise Linux 7.6) which will be used to create 6 brand new Oracle database servers requested by a customer....
View ArticleUnderstand Oracle Text at a glance
What is Oracle Text? Oracle Text provides indexing, word and theme searching, and viewing capabilities for text in query applications and document classification applications. Oracle text activation...
View ArticleODA : Free up space on local filesystems
Introduction When you work on ODA you sometimes get struggled with local filesystem free space. ODA has terabytes of space on data disks, but local disks are still limited to a raid-1 array of 2x 480GB...
View ArticleCompile additional packages for Oracle VM Server
I needed a special package on my OVM Server 3.4.6. The package is called fio and is needed to do some I/O performance tests. Unfortunately, OVM Server does not provide any package for compiling...
View ArticleOracle OpenWorld Europe: London 2019
Oracle 19c, Oracle Cloud in numbers and pre-build environments on vagrant, docker and Oracle Linux Cloud Native environment, those were some of the topics at Open World Europe Conference in London. To...
View ArticleRecover a corrupted datafile in your DataGuard environment 11G/12C.
On a DG environment, a datafile needs to be recovered on the STANDBY site, in two situations : when is deleted or corrupted. Below, I will explain how to recover a corrupted datafile, in order to be...
View Article