By Kaunda ISMAILThis article discusses key tools needed to master, in order to penetrate the data space. Such tools include SQL and NoSQL databases, Apache Airflow, Azure Data Factory, AWS S3, Google ...

The first thing that comes to mind is the function GROUPBY. The primary purpose of GROUPBY is to make data analysis easier by letting users group related data points and apply specific functions like ...

The COUNTIF function is used to count the number of cells in a range that meet a specific condition. The syntax of using COUNTIF function is as follows: =COUNTIF(range, criteria) Range: The range of ...

Whether you’re a beginner or looking to enhance your SQL skills, ChatGPT can be a valuable companion in your learning journey. This article will explain how to use ChatGPT to learn SQL and ...

Send the prompt to OpenAI’s GPT-3.5-turbo API and request an SQL query ... I’ll be using a CSV file with US Census state population data, found at states.csv. The following function creates ...

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A window is defined using the OVER() clause in SQL. Functions are predefined in SQL and you use them to perform operations on data. They let you do things like aggregating data, formatting ...

In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions ... than picking the column itself, we count from left to right within the table array.