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Oracle Enterprise Manager Cloud Control 12c Plugin for PostgreSQL
In my company, we use PostgreSQL, Postgres Plus (a commercial fork of PostgreSQL provided by EnterpriseDB) beside Oracle databases. Unfortunately different databases need different tools to monitor,...
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Enterprise Manager 12c: Be Careful About Naming DB Systems
Yesterday, we added a development database to our EM12c system. About 15 minutes later, the incident management flooded us with alert mails about newly added database. Unfortunately its SID was same...
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Upgrading Enterprise Manager Cloud Control 12.1.0.3 to 12.1.0.4
Enterprise Manager Cloud Control 12.1.0.4 is released yesterday, and I have downloaded it immediately to upgrade our system. It was a very smooth process. The version of our Enterprise Manager was...
View ArticleNew EMCLI Verbs in Enterprise Manager 12c R4 (12.1.0.4)
Today I see Ray Smith’s blog post about EM CLI Verb Changes. He provided a quick list of several new and deprecated EMCLI verbs in Enterprise Manager 12c R4. Pete Sharman commented on the blog post and...
View ArticleEnterprise Manager 12c: Failed Jobs
After I added some database targets to my Enterprise Manager 12c, an incident opened for failed jobs on a newly added database. We have some jobs scheduled to run every 5 minutes on that database, and...
View ArticleWhen is a Table Populated into the In-Memory Column Store?
I was playing with in-memory feature of Oracle 12c, and wondered when a table is loaded/populated into in-memory buffer (of course I’m talking about a table which is enabled for in-memory). In “the...
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Configuring Oracle SQL Developer for PostgreSQL
I see that some people wonder if Oracle SQL Developer can be used with PostgreSQL. I wrote a blog post to show how you can configure Oracle SQL Developer to connect Microsoft SQL Server and MySQL. You...
View ArticleOracle TKPROF Hidden/Undocumented Parameters
While I was examining with tkprof, I noticed that there are 2 undocumented parameters (Oracle 11gR2): verbose and diag. Let’s take a look at them. Verbose: If you set verbose=y, tkprof will provide...
View ArticleBBED Block Browser EDitor for Oracle 11g
BBED (Block Browser Editor) is a tool for Oracle internal use, and it helps you to read and manipulate data at the Oracle Database block level. No need to say that it’s very powerful and also extremely...
View ArticleUsing EMCLI to Create Named Credentials
One of my blog readers asked me to write a sample EMCLI codes to create named credentials for Database. To be able to create a named credential, you need to know the target name (unless you create a...
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PostgreSQL Conference Europe 2014
I attended to PostgreSQL Conference Europe 2014. It was held October 21-24 at Madrid. I do not know the exact number of attendees but there were some sessions that you can not find seat and have to...
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How to Find Blocking Sessions in Enterprise Manager Cloud Control 12c
My friend Franck Pachot noticed that EM12c doesn’t show the blocking sessions across all RAC nodes. Let’s check if we can find them using EM12c. I have connected to first node of our RAC database,...
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Using APEX to Create a Mobile User Interface for Enterprise Manager 12c
On November 11th, I will be presenting at Oracle Day Istanbul. My presentation will be about creating a mobile interface (a simple application) using Application Express to access Oracle Enterprise...
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Simple Query to Check if Your EM12c Plugins Are Uptodate
It’s recommended to use latest plugins with EM12c (to minimize bugs, better support for new releases of target etc), and you probably set notifications to get mails about plugin updates, but sometimes...
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How to Install PostgreSQL 9.3 on Oracle Linux
For whom are not familiar with PostgreSQL, it is an open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong...
View ArticleHow to Backup and Restore PostgreSQL 9.3 Databases
In my previous blog post, I explained how to install PostgreSQL 9.3 on Oracle Linux. As a DBA, one of the first things we want to learn is how we can recover the database in case of a failure. So in...
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Tips and Tricks for Installing Ops Center 12c R2 (PSU2)
In one of my old posts, I wrote a step by step guide to install Ops Center on Linux. I still get questions about installation, mostly about installing repository Database. So I have downloaded latest...
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TROUG Day Ankara 2014
As Turkish Oracle User Group (TROUG), we will organize our second meeting in Ankara on December 23rd. The event will be held at the Chamber of Electrical Engineers (EMO). The main theme of the meeting...
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PostgreSQL Partition Check Script
New year is coming, if you want to check date based partitions in PostgreSQL , you may use the following query:select schema_name, table_name, max( highvalue ) FROM ( SELECT namespace.nspname AS...
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How to Set Axis Max Value of AnyChart in APEX Dynamically
I just created a one-page APEX application to show performance chart of our main production server based on Active Session History data. We publish it on a big monitor so we can see the performance...
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