#mysql

In Ruby on Rails applications with mysql2 gem, mysql2 gem always threw error when trying in the new M1 Mac. The error always said "ld: library not found for -lzstd" and "make failed".

In this part, we will learn about how we can perform transactions in the external mysql database using mysql2 gem. Transactions helps us in making multiple queries to database ensuring all queries are performed or none at all.

In this part, we will learn about how we can perform prepared statements to the external mysql database using mysql2 gem. Prepared statements are very useful against SQL injections.

In this part, we will learn about how we can insert and update records to the external mysql server using mysql2 gem. We will add two new methods to our service that can insert and update records to mysql server using mysql2 gem.

Database interaction is very simple in rails with Active Record but what if you have to communicate with external mysql server? Gotcha! Let's create a service to perform queries we want without using Active Record.