查询unload 中的表对应的所占空间大小

select A.UNLOAD_TIME,A.SCHEMA_NAME,A.TABLE_NAME,B.MEMORY_SIZE_IN_TOTAL from M_CS_UNLOADS A

left join M_CS_TABLES B on A.TABLE_NAME=B.TABLE_NAME

where UNLOAD_TIME BETWEEN TO_TIMESTAMP('2021/03/23 07:58:00') AND  TO_TIMESTAMP('2021/03/23 15:58:00')

order by A.UNLOAD_TIME desc