ClickHouse/docs/en/introduction/features_considered_disadvantages.md
2018-04-23 09:20:21 +03:00

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# ClickHouse features that can be considered disadvantages
1. No transactions.
2. For aggregation, query results must fit in the RAM on a single server. However, the volume of source data for a query may be indefinitely large.
3. Lack of full-fledged UPDATE/DELETE implementation.