Hello everyone, whether you work as a data analyst, engineer, or data scientist, knowing Derived Tables and Common Table Expressions (CTEs) is a must. It’s important to know how to use them. Derived tables and Common Table stand are used on advanced SQL queries, offering an extensive range of functionalities to handle complex data sets
Read MoreWhat is SQL Transactions ? and when you should use it ? Hello everyone, if you’re a data analyst, you might not use transactions in your everyday tasks since you access data mostly in read-only mode. However, understanding how they work is crucial because they are a fundamental principle in managing databases. Ensuring data integrity
Read MoreSQL vs NoSQL, the simple difference Hello everyone, today, we will focus on the differences between relational and non-relational databases, which are commonly referred to as SQL and NoSQL. As a data analytics or data engineer, you are likely already familiar with these differences. However, beginners may find the concepts of each type unclear. And
Read MoreData Warehouse vs Data Lake vs Data Lakehouse | What is the Difference ? Hello everyone, in this article we will discover the difference between Data Warehouse, Data Lake, and Data Lakehouse. As all you know in today’s world, a business collects all sorts of data from various places. Think about all the informations from
Read MoreDatabase vs Data Warehouse vs Data Lake | What is the Difference? If you’ve ever waded through the vast terminologies of data management, you’ve likely encountered “database,” “data warehouse,” and “data lake.” These terms, while all connected to data storage and processing, have distinct differences that are essential to understand for efficient data handling and
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