Oracle

Delphix and upgrading the clones (Oracle)

By Franck Pachot . Delphix is a tool for easy cloning of databases. The idea is that all is automated: the user can create a clone, rewind or refresh it with one click. However, I was suprised that the(…)

An example of ORA-01152: file … was not restored from a sufficiently old backup

By Franck Pachot . Oracle Error: ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below ORA-01152: file ... was not restored from a sufficiently old backup ORA-01110: data file ... This error is one of(…)

Rename your DB clone completely

Introduction Have you ever renamed your database? When you cloned a DB, you probably started it with a new name and cloning (duplicating) with RMAN provided a new DBID, right? So why should we need to rename a(…)

Some Artificial Intuition in Oracle SQL_ID?

By Franck Pachot . This post is something I discovered by chance when writing about tagging SQL statement with recognizable comments. We know that Oracle is introducing more and more artificial intelligence and machine learning in the database engine,(…)

Oracle – testing resource manager plans?

By Franck Pachot . I never remember that in order to use instance caging you need to set a Resource Manager Plan but don’t need to set CPU_COUNT explicitly (was it the case in previous versions?). Here is how(…)

Delphix: a glossary to get started

By Franck Pachot . dbi-services is partner of Delphix – a data virtualization platform for easy cloning of databases. I’m sharing a little glossary to get started if you are not familiar with the terms you see in doc,(…)

Oracle Blockchain Tables: COMMIT-Time

Oracle Blockchain Tables are available now with Oracle 19.10. (see Connor’s Blog on it), they are part of all editions and do not need any specific license. I.e. whenever we need to store data in a table, which(…)

Oracle Rolling Invalidate Window Exceeded(3)

By Franck Pachot . This extends a previous post (Rolling Invalidate Window Exceeded) where, in summary, the ideas were: When you gather statistics, you want the new executions to take into account the new statistics, which(…)

Oracle DB on Azure with Multitenant Option

By Franck Pachot . If you want to run an Oracle Database in the Microsoft Azure cloud, you will install it yourself on a VM. And then, you can expect the same as when you install it in your(…)

Learn ODA on Oracle Cloud

By Franck Pachot . You want to learn and practice your ODA command line and GUI without having an ODA at home? It should be possible to run the ODA image on VirtualBox but that’s probably a hard work(…)