Posts
All the articles I've posted.
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OLTP vs. OLAP: How JOINs and Efficiency Shape Their Differences
Online Transaction Processing (OLTP) and Online Analytical Processing (OLAP) are two distinct database architectures, each designed for different purposes. One key factor that differentiates them is
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The Origins of OLTP and OLAP: A Brief History
Online Transaction Processing (OLTP) and Online Analytical Processing (OLAP) are fundamental concepts in database management, each serving distinct purposes. But when did these terms first appear, and
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Comparison Between Star Schema and Snowflake Schema in PostgreSQL
Comparison Between Star Schema and Snowflake Schema in PostgreSQL When designing a database for analytical workloads, choosing the right schema can significantly impact performance and query
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Running PySpark on Google Colab: Do You Still Need findspark?
Introduction For a long time, using Apache Spark in Google Colab required manual setup, including installing Spark and configuring Python to recognize it. This was often done using the findspark
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Testing Apache Airflow DAGs: A Modular Approach
Introduction Apache Airflow is a powerful workflow automation tool, but testing DAGs can be challenging due to their dependency on the Airflow scheduler and execution environment. In this post, we
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Visualizing EXPLAIN ANALYZE in PostgreSQL
When working with PostgreSQL, understanding how queries execute can greatly improve performance tuning and optimization. PostgreSQL provides the EXPLAIN ANALYZE command to help developers analyze
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Enabling Internet Access for Resources in a Public Subnet
When deploying resources in a public subnet within an AWS Virtual Private Cloud (VPC), you need to configure several components to allow them to communicate with the internet. Below are the essential
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Network Address Translation (NAT): Overcoming IPv4 Shortages
Introduction Network Address Translation (NAT) is a technology designed to mitigate the shortage of IPv4 addresses by allowing multiple devices on a private network to share a limited number of public