咨询：SQL Server原生无增量备份，可用哪些第三方工具实现增量备份？

Great question—you’re spot-on that SQL Server’s native backup suite (Full, Differential, Log backups) doesn’t deliver true incremental backups (which capture only changed blocks since the last backup of any type, not just since the last full). Differential backups only track changes since the last full, and log backups are sequential, so they don’t fit the "incremental" definition you’re referencing.

Here are trusted third-party tools that enable true incremental backup strategies for SQL Server:

• Veeam Backup & Replication: A go-to for enterprise and mid-sized environments. It uses block-level changed tracking to back up only the data modified since the last backup (regardless of type). It integrates smoothly with SQL Server, supports instant recovery, and includes deduplication to cut down on storage overhead.
• Quest LiteSpeed for SQL Server: Renowned for its high compression ratios paired with true incremental support. It leverages granular block tracking to capture only altered data, slashing backup times and storage needs. It also adds value with automated backup verification and flexible point-in-time recovery options.
• Commvault Complete Backup & Recovery: Offers agent-based incremental backups for SQL Server, with both file-level and block-level capture options. It provides centralized management, built-in deduplication, and works seamlessly with SQL’s transaction logs to ensure full recovery flexibility.
• Acronis Cyber Protect: Blends backup with cybersecurity features, and its SQL Server module includes true incremental backups. It uses AI-powered change detection to identify modified blocks, plus ransomware protection and cloud backup integration for added resilience.

A quick note: When picking a tool, test it against your specific SQL Server version, assess performance impact during backup windows, and verify restore workflows—true incremental backups can simplify storage but require careful management to avoid recovery complexity.

内容的提问来源于stack exchange，提问作者yvr238