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Analysing customer revenue is a critical aspect of understanding the performance of any business. In this blog post, we will explore how to use SQL and the AdventureWorksDW2019 database to group customers into four quartiles based on their total revenue.
Read the pieceLearn how to analyse sales trends with a moving average calculation in SQL. This powerful tool can help you identify growth opportunities and improve business performance.
Read the pieceIn this blog post, we will learn how to extract sales data using SQL from a database, specifically Navision. We will define a SQL query to extract the data and execute it using Python. The resulting sales data will be fetched and can be further analyzed or visualized.
Read the pieceAre you tired of dealing with messy, slow, and error-prone SQL queries? In this blog post, we will reveal the top five good practices that can help you avoid common pitfalls and write clean, efficient, and secure SQL code.
Read the pieceIf you're a business owner or IT professional looking to implement a data warehouse from scratch, you're probably wondering where to begin. In this post, we'll outline the key steps you'll need to take in order to successfully implement a data warehouse from scratch.
Read the pieceIn SQL, data extraction is the process of retrieving specific data from a database. This is typically done using SQL SELECT statements, which allow you to specify the columns and rows that you want to retrieve from the database.
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