ClickHouse/docs/zh/database_engines/lazy.md
2020-04-03 16:23:32 +03:00

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Lazy

Keeps tables in RAM only expiration_time_in_seconds seconds after last access. Can be used only with *Log tables.

Its optimized for storing many small *Log tables, for which there is a long time interval between accesses.

Creating a Database

CREATE DATABASE testlazy ENGINE = Lazy(expiration_time_in_seconds);

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