MySQL Enterprise Backup supports compressed backups, which reduces the size of backup files by compressing the data, making it more efficient in terms of storage and network transfer.

The MySQL Slow Query Log is used to monitor and log queries that take longer than a specified time to execute. It helps identify queries that may be causing performance issues.

MySQL Enterprise Firewall provides real-time blocking of suspicious SQL queries by learning allowed query patterns and detecting deviations from those patterns. This capability is crucial for protecting the database against SQL injection and other malicious query-based attacks.

A quorum in MySQL InnoDB Cluster refers to the majority of nodes that must agree on committing a transaction to ensure consistency and avoid split-brain scenarios. It is crucial for maintaining data integrity in the cluster.

HeatWave Cluster is specifically designed to optimize complex analytical queries. It accelerates query performance by executing these queries in memory and in parallel, making it ideal for real-time analytics on large datasets.