12c Archives - Real Time DBA Magic

Moving Datafiles Online in Oracle 12c

I wrote about this feature in Hebrew quite some time ago but in the last week I was asked by couple of my customers about the correct way to move datafiles with minimal downtime so I thought it would be nice to show the Oracle 12c solution before talking about the solution I gave them.

For years, moving datafiles was a pain in the DBA behinds. It required some database action, then some OS actions and then some other database actions. Starting Oracle 12c we can now move datafile online, without interfering the application and without taking the tablespace offline or read only.

Even though Oracle 12c brought a lot of new features and changes, this feature must be one of my favorites. It made thing so easy and so simple that it made me wonder what took them so long…

Installing Oracle 12.1.0.2 – Part 2: Creating an Instance

Oracle

In the earlier post we installed the Oracle version 12.1.0.2 (software only) but still didn’t create a database instance. In this post we will go over an installation procedure of a basic CDB database instance. This will be the first instance on that database server (and I’ll explain later why this is important).

Installing Oracle 12.1.0.2 – Part 1

Oracle

It’s been a few months since 12.1.0.2 came out. Here is a basic guide for installing Oracle 12c (12.1.0.2).
This is a two-part post – in the first part we will install the software and in the next part we’ll go over creating the new database instance.

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