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Databases / SQL

SQL

1.4K+ posts

SQL Career Path: Roles, Skills & Salaries

Last Updated: 01 August 2025

SQL (Structured Query Language) is an essential skill for anyone working with data, from software testers to data scientists, developers and database administrators. With ...read more

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SQL for Data Analytics & Developers

Last Updated: 01 August 2025

Imagine running a busy coffee shop with orders, customers and sales tracked on paper. Finding out who ordered what or which drink sells best would take forever! SQL (Struc...read more

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Bookstore Analytics with SQL

Last Updated: 21 July 2025

Bookstore analytics involves using data to understand customer preferences, product trends, inventory health and marketing performance in a retail bookstore. Ever wondered...read more

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SQL Database Operations

Last Updated: 26 June 2025

SQL databases or relational databases are widely used for storing, managing and organizing structured data in a tabular format. These databases store data in tables consis...read more

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Calculate Moving Averages in SQL

Last Updated: 23 July 2025

In data analysis, smoothing out short-term fluctuations in time-series data is essential for identifying long-term trends. One effective method for achieving this is throu...read more

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Market Basket Analysis with SQL

Last Updated: 23 July 2025

Market Basket Analysis (MBA) is a powerful data mining technique used in retail and e-commerce to identify relationships between products frequently purchased together. By...read more

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Time-Series Data Analysis Using SQL

Last Updated: 23 July 2025

Time-series data analysis is essential for businesses to monitor trends, forecast demand, and make strategic decisions. One effective method is calculating a 7-day moving ...read more

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30 SQL Interview Questions For Business Analyst in 2025

Last Updated: 23 July 2025

SQL is an essential skill for Business Analysts which helps them to retrieve and analyze data from databases. It enables them to generate reports, find trends, and support...read more

How to Create a Customer Segmentation Model in SQL

Last Updated: 23 July 2025

Customer segmentation is a powerful marketing strategy that enables businesses to categorize their customers into distinct groups based on shared characteristics and purch...read more

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SQL for Business Analysts

Last Updated: 23 July 2025

In today’s fast-changing business world, data plays an important role in making decisions. SQL (Structured Query Language) helps business analysts get, study and manage da...read more

Customer Behavior Analysis in SQL

Last Updated: 23 July 2025

Customer churn is a key indicator of business health, as it directly affects revenue and long-term sustainability. Identifying inactive customers early enables companies t...read more

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How Do Financial Analysts Use SQL?

Last Updated: 23 July 2025

In the world of finance, data plays a crucial role in making informed decisions. Financial analysts rely on various tools to extract, manipulate, and analyze data efficien...read more

SQL Exercises for Data Analyst

Last Updated: 23 July 2025

Structured Query Language (SQL) is an essential skill for data analysts which enables them to extract, manipulate and analyze data efficiently. Regular practice with SQL e...read more

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Music Store Data Analysis using SQL

Last Updated: 23 July 2025

Have you ever wondered how a music store keeps track of all its songs and artists? By exploring the store’s dataset, we can uncover useful information, such as the total n...read more

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Healthcare Data Analysis using SQL

Last Updated: 23 July 2025

Healthcare data analysis plays a vital role in enhancing patient care, improving hospital efficiency and managing financial operations. By utilizing Power BI, healthcare p...read more

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