DeveloperBreeze

Cast Mysql Development Tutorials, Guides & Insights

Unlock 1+ expert-curated cast mysql tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your cast mysql skills on DeveloperBreeze.

Tutorial
json mysql

Selecting the Sum of a JSON Property in MySQL

  • JSON_EXTRACT(order_details, '$.quantity'): Extracts the value of the quantity key from the JSON order_details column.
  • JSON_UNQUOTE(...): Removes any quotes from the extracted JSON value.
  • CAST(... AS UNSIGNED): Converts the extracted value to an unsigned integer to allow for summation.
  • SUM(...): Sums all the quantities across the rows.

When you run the above query, MySQL will return the total quantity of products ordered by all customers:

Aug 17, 2024
Read More