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VIDEX 提供开箱即用的虚拟索引能力，可无缝集成至现有 MySQL 生态；对于数据库研究者，VIDEX 模块化设计允许新算法（如 NDV 估计、Cardinality估计等等）在 MySQL 上快速验证，推动前沿技术落地。 虚拟索引技术（virtual index，也称为 hypothetical index）在数据库系统的 ...