MySQL Performance: Single table or multiple tables

Question

I have a 8 sets of data of about 30,000 rows for each set, the data is the same structure just for different languages.

The front end of the site will get relatively

Answer 1

I'd go with one-table design too. Since the cardinality of the language_key is very low, I'd partition the table over language_key instead of defining an index. (if your database supports it.)