ClickHouse/docs/en/introduction/features_considered_disadvantages.md

# 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.
Sources for english documentation switched to Markdown. Edit page link is fixed too for both language versions of documentation. 2017-12-28 15:13:23 +00:00			`# 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.`