clickhouseHow to add index to table

ALTER TABLE tbl ADD INDEX col_index(col) TYPE minmax GRANULARITY 3ctrl + cyoutubegithub

`ALTER TABLE` change specified table	`tbl` sample table to add index to
`ADD INDEX` adds data skipping index	`col_index` index name
`col` column to index (can have multiple columns, separated by `,`)	`TYPE` index type
`minmax` simple minmax index (the same type as primary key)	`GRANULARITY` how many granules to store for each table granule (3 in our case)