SQL tips & tricks

Follow this step-by-step Microsoft SQL Server Installation Guide to set up SQL Server on Windows. Ideal for beginners, this guide simplifies the process of installation.

Discover what is SQL and what is it used for in this beginner-friendly guide. Learn how SQL helps manage and query databases efficiently, and explore its essential role in data organization and analysis.

Learn how to write your first SQL query using the SELECT statement. Discover column aliasing and how to use DISTINCT to eliminate duplicates.

Learn how to use the SQL WHERE clause to filter data effectively, including multiple values, date ranges, and CASE statements. Master SQL queries today!

When you need to organize query results in SQL, the SQL ORDER BY statement is the tool for the job. Whether you’re sorting products by price, arranging

In this guide, I’ll show you how to limit results on SQL Server using the TOP statement and compare it with the LIMIT statement often used in other database

Learn how to select specific columns in SQL using aliases for clarity and retrieve column names as rows. Master selecting columns from an SQL table efficiently!

Master aggregate functions in SQL with syntax and examples. Learn to use COUNT, SUM, AVG, MIN, and MAX to analyze and summarize your data efficiently!

Learn how to use GROUP BY and WHERE condition in SQL to filter and group data effectively. Step-by-step guide with examples for mastering SQL queries!

In this blog post, I’ll explain how to use GROUP BY and HAVING clause in SQL, provide examples, and highlight the difference between the HAVING clause and the

Learn how to do INNER JOIN in SQL with clear examples and best practices. Master table joins and improve your SQL queries with this easy guide!

When working with SQL, understanding what is the difference between LEFT JOIN and RIGHT JOIN is crucial for retrieving data efficiently. Both joins allow you

If you’ve been learning SQL and wondering what is FULL OUTER JOIN in SQL, I will try to explain in this post. FULL OUTER JOIN is a powerful tool that lets you

Learn what is subquery in SQL (with examples) and how to use nested queries in SELECT, WHERE, and FROM clauses to write powerful and flexible SQL queries.

If you're working with multiple datasets and wondering how to combine them into a single result, understanding how to use UNION in SQL Server is essential.