Learn how to sort SQL results with ORDER BY and restrict the number of returned rows with LIMIT. Includes practical examples using filters, dates, and order totals.
How to Sort and Limit SQL Query Results with ORDER BY and LIMIT Read More »
Explore SQL subqueries by comparing order values and customer spending totals with calculated averages. Includes joins, grouping, filtering, common mistakes, and practice challenges.
SQL Subqueries: Compare Orders and Customer Totals with Averages Read More »
Learn to summarize SQL data with GROUP BY and aggregate functions using practical sales examples, filtering, sorting, and beginner-friendly exercises.
SQL GROUP BY and Aggregate Functions: A Beginner’s Guide Read More »
Learn to connect accounts and orders with SQL JOIN queries, use INNER and LEFT JOINs, filter joined data, and summarize orders for every customer.
SQL JOIN Queries: Combine Related Data from Multiple Tables Read More »
Learn the basics of SQL SELECT queries by reading customer data, choosing specific columns, and filtering records by city with WHERE.
SQL SELECT Queries: Read and Filter Customer Records Read More »
Learn the basics of SQL WHERE clauses by filtering orders by status and amount, using comparison operators, and combining conditions with AND.
How to Use the SQL WHERE Clause to Filter Rows Read More »
