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AWS – RDS – SQL Server Native backups
Introduction RDS provide automatic backup feature. This feature will backup the entire RDS instance. As a DBA sometimes you need to backup individual database, they are many reason for that (legal,...
View ArticleDB-Upgrade hangs in SE2 waiting on Streams AQ while gathering statistics on...
A couple of weeks ago I upgraded an Oracle Standard Edition 2 test database from 12.1.0.2 to 12.2.0.1 (with the April 2020 Patch Bundle) on Windows. Recently I upgraded the production database. Both...
View ArticleWhat is a serverless database?
By Franck Pachot . After reading the https://cloudwars.co/oracle/oracle-deal-8×8-larry-ellison-picks-amazons-pocket-again/ paper, I am writing some thoughts about how a database can be serverless and...
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Oracle 12c – peak detection with MATCH_RECOGNIZE
By Franck Pachot . This post is part of a series of small examples of recent features. I’m running this in the Oracle 20c preview in the Oracle Cloud. I’ll show a very basic example of “Row Pattern...
View ArticleOracle 12c – reorg and split table with clustering
By Franck Pachot . In this series of small examples on recent features, I have imported in a previous post, the statistics of covid-19 per day and per countries. This is typical of data that comes as a...
View ArticleOracle 12c – global partial index
By Franck Pachot . We have an incredible number of possibilities with Oracle. Yes, an index can be global (indexing many partitions without having to be partitioned itself on the same key) and partial...
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Control-M/EM: Cyclic job interval less than 1 min
Introduction By default, the minimal execution’s interval of a cyclic job is 1 minute (with the rerun every 0 sec option it will loop instantaneously). But what happens when you need to rerun it in a...
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Control-M/EM :Put a job already ordered in dummy job
Hi everybody. Today we will see how to put a job in dummy mode on the monitoring part. Introduction: In some case you want, or you will be asked to bypass a treatment. For that, you can put the job in...
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No{Join,GroupBy}SQL – Analytic Views for BI
By Franck Pachot . Advocates of NoSQL can query their structures without having to read a data model first. And without writing long table join clauses. They store and query a hierarchical structure...
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Documentum Upgrade – Missing DARs after upgrade
As part of the same migration & upgrade project I talked about in previous blogs already (corrupt lockbox, duplicate objects & wrong target_server), I have seen a very annoying and, this time,...
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Publishing a PowerShell script to AWS Lambda
I’ve done some Lambda functions with Python in the past and it was quite easy to publish that to Lambda (by just uploading a zip file with all my code and dependencies). You might ask yourself why I...
View ArticleOracle non-linguistic varchar2 columns to order by without sorting
By Franck Pachot . Sorting data is an expensive operation and many queries declare an ORDER BY. To avoid the sort operation you can build an index as it maintains a sorted structure. This helps with...
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Power BI Report Server – URL reservation Warning – Delegation blocked
Introduction Recently I experienced some strange behavior on Power BI Report Server. My customer reported some failure when authenticating on shared data source using Kerberos delegation. On the test...
View ArticleDocumentum – Change/Rename of LDAP Config object
Using an LDAP Server with Documentum (or any ECM for that matter) is pretty common to avoid managing users locally. In this blog, I wanted to talk about something that isn’t very common and that is the...
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Azure Migrate: how to assess on-premises servers for a future Azure migration
Azure Migrate provides a set of tools to assess and migrate on-premise infrastructure like Hyper-V or VMware virtual machines, physical servers as well as SQL and other Databases, web application… The...
View ArticleSome myths about PostgreSQL vs. Oracle
By Franck Pachot . I originally wrote this as a comment on the following post that you may find on internet: https://www.2ndquadrant.com/en/blog/oracle-to-postgresql-reasons-to-migrate/ but my comment...
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The Oracle ACE program ♠ what it is not ♠
By Franck Pachot . I had a few questions about the Oracle ACE program recently and I thought about putting some answers there. Of course, that’s only my point of view, there’s an official web page:...
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Attaching your own CentOS 7 yum repository to AWS SSM
From some blogs I’ve written in the past you might already know that we are using AWS SSM to patch and maintain the complete EC2 and onprem instances at one of our customers. The previous posts about...
View ArticleOracle Cloud basics for begginers
Introduction Cloud, Cloud, Cloud. Everyone is talking about the Cloud but a lot of people are still in the fog with Cloud technologies. Let’s talk about basic features of the Oracle Cloud, called OCI...
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Postgres Vision 2020 is still live
This year the Postgres Vision 2020 conference was a Free Virtual Event that took place on June 23-24, 2020 and the Postgres Vision Theme was “Postgres is for builders” Experts, IT professionals and...
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