SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, ALTER, JOIN etc.
Structured Query Language (SQL) including aggregate, conditional and dynamic queries.
Multiple databases and schemas within each database.
Through constraints like primary keys, foreign keys, not null, unique etc.
Files (.frm), database files (.ibd), binary log (.bin) and relay logs for high availability.
Replication, backup, security, performance optimization, tuning etc via tools.
