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How to compare two files in Notepad++ v7.8.1
In this post I will show you how to compare two files in Notepad ++. In the latest versions of the tool (such as v7.8.1), installing the Compare plugin is…
![[SOLVED] Teradata: [Error 3504] [SQLState HY000] Selected non-aggregate values must be part of the associated group.](https://bigdata-etl.com/wp-content/uploads/2019/12/john-schnobrich-FlPc9_VocJ4-unsplash_ENG-2-300x200.jpg)
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[SOLVED] Teradata: [Error 3504] [SQLState HY000] Selected non-aggregate values must be part of the associated group.
In this post, I will explain why you encountered an error [Error 3504] [SQLState HY000] Selected non-aggregate values must be part of the associated group while executing the SQL query…
![[SOLVED] Why the Oracle database is slow when using the docker?](https://bigdata-etl.com/wp-content/uploads/2019/11/fernando-mate-J1R-xl_TPPM-unsplash-300x200.jpg)
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[SOLVED] Why the Oracle database is slow when using the docker?
Recently, when I needed a testing environment, where one of the elements was the Oracle database, I encountered a problem that caused me a lot of nerves. Problem When I…
SQL Developer: How to restore / add the Connections tab in SQL Developer?
If you have been using SQL Developer for some time, you have probably encountered the situation that you accidentally or for various reasons closed the Connections tab. However, how to…
Jenkins & Nexus & SonarQube: Build the DevOps environment using Docker-Compose
This is another my post in which I present in a simple way how to set up the environment using the benefits of Docker-Compose. This time we will focus on…
[SOLVED] SonarQube: Max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
Problem The system isn't allowed to get the requested memory amount. Solution Run the following command before attempting to start SonarQube or issuing your docker compose command: sudo sysctl -w…
![[SOLVED] Error: “This Jenkins instance appears to be offline”](https://bigdata-etl.com/wp-content/uploads/2019/10/jenkins-offline-eng-300x201.jpg)
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[SOLVED] Error: “This Jenkins instance appears to be offline”
Problem During the installation of Jenkins, we may receive an error saying that our Jenkins do not have internet access. The problem may be due to the fact that we…
![[RELEASED] Free online XML Converter](https://bigdata-etl.com/wp-content/uploads/2019/10/xmlconverter-300x200.jpg)
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[RELEASED] Free online XML Converter
Inspired by my previous post regarding the conversion of special characters in XML files, I decided to create a own converter. I hope it will be useful for you many…
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Teradata: How to install Teradata Express on VMware Workstation Player on Windows operating system
In this post I will show you how to install Teradata Express (VMware) version 16.20 on VMware Workstation 15.5.0 Player on the Windows operating system. A few words about technologies…
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Apache Airflow & CeleryExecutor, PostgreSQL & Redis: Start the environment using Docker-Compose in 5 minutes!
In this post I will show you how to create a fully operational environment in 5 minutes, which will include: Apache Airflow WebServerApache Airflow WorkerApache Airflow SchedulerFlower - is a…
