SQL/MYSQL

SQL for Data Analysts: A Beginner’s Roadmap
by admin|18 August 2026|Beginner Level, SQL/MYSQL
Every business collects data—customer details, transactions, product information, website activity, inventory records and much more. However, collecting data is not enough. Businesses need professionals who can retrieve the right information, analyze it and convert it into useful insights. This is...
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Why SQL Joins Produce Duplicate Rows and How to Fix Them
by admin|19 July 2026|SQL/MYSQL
SQL joins allow Data Analysts to combine information stored across different tables. For example, an analyst may join customer details with orders, products, marketing campaigns or payment records. However, joins can sometimes produce more rows than expected. Customer names may...
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What is MySQL/SQL Database?
by admin|09 February 2025|SQL/MYSQL
A database is a structured collection of data, and a relational database organizes data in tables with rows and columns. MySQL is a popular open-source relational database management system (RDBMS) that uses SQL (Structured Query Language) for managing and interacting...
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