Do changes in slave appear on master (MySQL master-slave replication)

Question

If I create a master-slave replication, do the changes I make to the slave also appear in master?

For example database example1 is master and database example2 is the exact copy of example1 as a slave. I add a row in one of the tables in example2 , I want the change to show up in example1 . Does master-slave replication allow this.

Answer 1

Usually, Master-> Slave is one-way synchronization. You have mentioned that your example1 and example2 are identical. To manually check my.cnf files at MySQL folder and verify both cnf files have been configured correctly.

I hope you have configured example1 as master and got an identical copy of that for the example2 and not changed my.cnf correctly according to your required logic.