Oracle Team

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(…)

Clone a Terabyte Database in Seconds

Introduction Have you ever cloned a database using RMAN? Have you ever gotten the advice not to clone during daytime to avoid performance downgrade on the entire storage or network? For a proof of concept, we wanted to(…)

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 Data Integrator Cloud

Data and applications integration is always a technical challenge for most of the companies. All data integration tool ensures that information is timely, accurate, and consistent across complex systems. Oracle Data Integrator (ODI) is different than traditional data integration tools(…)

ORA-32635: not a single cell reference predicate

By Franck Pachot . I spent 30 minutes to try to understand this error with a query that I’ve run in many environments for years. So if you google it you may arrive here and the solution may be(…)

Foreign Keys in MySQL, SQL, NoSQL, NewSQL

By Franck Pachot . In the NoSQL times, it was common to hear thinks like “SQL is bad”, “joins are bad”, “foreign keys are bad”. Just because people didn’t know how to use them, or they were running on(…)

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(…)

How to migrate Oracle Reports to Oracle BI Publisher ?

According to the Oracle Lifetime Support Policy , Oracle is not planning any functional enhancements for Oracle Reports in its terminal release, or any subsequent releases. Oracle Fusion Middleware 12cR2 (12.2.1.3.0) will be Oracle Reports terminal release. Oracle Report(…)

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 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(…)