Another thing is that some people have problems with SQL itself, not relational databases per se. SQL is just the compromise-of-a-standard that came out of seve

Another thing is that some people have problems with SQL itself, not relational databases per se. SQL is just the compromise-of-a-standard that came out of several RDBMS query languages competing for mindshare. And, naturally, in some peoples' minds any problems that MySQL has are joined to SQL, and in fact all relational databases.