TIME and DATETIME are used to store time-related values. TIME stores only time information, while DATETIME stores both date and time.

A full backup captures both the database structure and all data, providing a complete snapshot of the database at the time of the backup. This is essential for disaster recovery, as it ensures that you can restore the entire database from a single backup.

In multi-source replication, a single replica can receive data from multiple source servers. This is useful for consolidating data from different servers into a single replica.

The START SLAVE; command is used to start replication on a replica server, allowing it to begin receiving and applying updates from the primary server.

The Query Profiler in MySQL Workbench helps analyze the performance of individual queries by providing execution plans and detailed statistics, allowing for query optimization.