This function returns a string resulting from the concatenation, or joining, of two or more string values in an end-to-end manner. It separates those concatenated string values with the delimiter ...

Extracting categories from product codes, getting domains from email addresses, concatenating multiple values for labels—string processing is a daily occurrence. First, it is recommended to organize ...

CREATE TABLE books ( book_id INT NOT NULL AUTO_INCREMENT, title VARCHAR(100), author_fname VARCHAR(100), author_lname VARCHAR(100), released_year INT, stock_quantity INT, pages INT, PRIMARY ...