My DBA World

MongoDB sharded cluster topology

Antoine / 2018-12-07

Today, I’m going to share with you a bash script that gives you a quick overview of the topology of […]

Antoine / 2018-12-05

If you are familiar with database links on Oracle database, you may have already encountered the error “ORA-12154: TNS:could not

Antoine / 2018-11-30

Yesterday, I was working on a simple Golden Gate replication between two Oracle databases. Everything worked as expected, the source

Antoine / 2018-11-27

Today, I’m going to give you some examples on how to work with associative arrays in bash / ksh. This

Antoine / 2018-11-23

If you read my last post, you now know how to get a valid JSON output from your MongoDB shell.

Antoine / 2018-11-23

Today, I will show you how to easily deal with MongoDB shell output in your shell (bash, ksh, …) scripts.

Antoine / 2018-11-21

Yes, I know: many scripts are available to get tablespaces usage from your Oracle database. The one I’m going to

Antoine / 2018-11-19

As a DBA (or developer), you often need to make connection to your Oracle database from shell scripts. That’s not

Antoine / 2018-11-15

One of the most important tasks for maintaining good performance in a sharded MongoDB cluster is to ensure optimal chunk

Antoine / 2018-11-13

I want to share with you a small shell script that I often use for reporting purposes, which allows you