ClickHouse/docs/en/data_types/array.rst

Array(T)
--------

Array of T-type items. The T type can be any type, including an array.
We don't recommend using multidimensional arrays, because they are not well supported (for example, you can't store multidimensional arrays in tables with engines from MergeTree family).
Initial commit if EN docs 2017-04-03 19:49:50 +00:00			`Array(T)`
			`--------`

Data types 2017-04-26 18:10:25 +00:00			`Array of T-type items. The T type can be any type, including an array.`
			`We don't recommend using multidimensional arrays, because they are not well supported (for example, you can't store multidimensional arrays in tables with engines from MergeTree family).`