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# ClickHouse可以认为是缺点的功能 {#clickhouseke-yi-ren-wei-shi-que-dian-de-gong-neng}
# ClickHouse的限制 {#clickhouseke-yi-ren-wei-shi-que-dian-de-gong-neng}
1. 没有完整的事务支持。
2. 缺少高频率,低延迟的修改或删除已存在数据的能力。仅能用于批量删除或修改数据,但这符合 [GDPR](https://gdpr-info.eu)。