sql Vertica数据库表大小

Posted 2021-05-13

SELECT anchor_table_schema, 
       anchor_table_name, 
       SUM(used_bytes) / ( 1024^3 ) AS used_compressed_gb 
FROM   v_monitor.column_storage 
GROUP  BY anchor_table_schema, 
          anchor_table_name 
ORDER  BY SUM(used_bytes) DESC;