Online Tutorial for Data Analysis and Automation
CHAPTER 23 of 30 SQL Tutorial — Free Course on Neotech Navigators The SQL RIGHT JOIN returns all rows from the right table and the matching rows from the left table. If there is no match, the left columns are filled with NULL. In this chapter, you will learn the RIGHT JOIN syntax, see practical […]
Learn what SQL JOINs are and why they matter. Understand how to combine rows from two or more tables using INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN with visual examples.
Learn SQL aliases to give temporary names to columns and tables using the AS keyword. Make query output readable and simplify complex queries. Free tutorial with examples.
Learn the SQL BETWEEN operator to filter values within a range. Use BETWEEN with numbers, dates, and text. Combine with NOT BETWEEN for exclusions. Free tutorial.
Learn the SQL IN operator to filter rows by a list of values. Replace multiple OR conditions with a clean IN clause. Free tutorial with practical examples.
Learn all SQL wildcard characters for pattern matching. Master the % and _ wildcards, combine them with LIKE, and search data with precision. Free tutorial with examples.
Learn the SQL LIKE operator for pattern matching. Use % and _ wildcards to search strings, filter text data, and find partial matches with practical examples.
Learn SQL aggregate functions COUNT, AVG, and SUM. Count rows, calculate averages, and sum values with WHERE conditions. Free tutorial with examples.
Learn SQL MIN and MAX functions to find the smallest and largest values in a column. Use with WHERE, aliases, and GROUP BY with practical examples.
Learn how to limit the number of rows returned in SQL using LIMIT, TOP, and FETCH FIRST. Restrict results for pagination and top-N queries with practical examples.