mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 01:51:59 +00:00
3 lines
170 B
SQL
3 lines
170 B
SQL
-- NOTE: database = currentDatabase() is not mandatory
|
|
SELECT sum(data_compressed_bytes) > 0, sum(data_uncompressed_bytes) > 0, sum(marks_bytes) > 0 FROM system.columns;
|