If your encoding is off and you didn’t get it right from the beginning changing it is not a difficult task to do – but doing it in production could be risky.
To check you database collation in MySQL you can use the following SQL statement:
SHOW TABLE STATUS;
This will show you a lot of useful info about your database including collation. If you want to check it for a specific table use the following SQL statement:
SHOW TABLE STATUS WHERE NAME = 'The Name of Your Table';
This will show you the same info as above but only for a specific table. And if you want to change you collation to utf8 use the following SQL statement:
ALTER TABLE The Name of Your Table CONVERT TO CHARACTER SET utf8;