show create table information_schema.disks;
Table	Create Table
DISKS	CREATE TEMPORARY TABLE `DISKS` (
  `Disk` varchar(pathlen) NOT NULL,
  `Path` varchar(pathlen) NOT NULL,
  `Total` bigint(32) NOT NULL,
  `Used` bigint(32) NOT NULL,
  `Available` bigint(32) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_general_ci
select sum(Total) >= sum(Available), sum(Total)>=sum(Used) from information_schema.disks;
sum(Total) >= sum(Available)	sum(Total)>=sum(Used)
1	1
