Intermediate SQL Tutorial
Master intermediate SQL concepts including Aggregate Functions, GROUP BY, HAVING, Subqueries, Joins, CASE statements, COALESCE, String, Date, Mathematical functions, Views, and Indexes.
SQL string functions
SQL String Functions – CONCAT, LENGTH, SUBSTRING, TRIM
Learn SQL string functions such as CONCAT, LENGTH, SUBSTRING, and TRIM with examples. Useful for text manipulation in SQL queries.