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show create table information_schema.disks;
Table Create Table
DISKS CREATE TEMPORARY TABLE `DISKS` (
`Disk` varchar(4096) NOT NULL DEFAULT '',
`Path` varchar(4096) NOT NULL DEFAULT '',
`Total` bigint(32) NOT NULL DEFAULT '0',
`Used` bigint(32) NOT NULL DEFAULT '0',
`Available` bigint(32) NOT NULL DEFAULT '0'
) ENGINE=MEMORY DEFAULT CHARSET=utf8
select sum(Total) > sum(Available), sum(Total)>sum(Used) from information_schema.disks;
sum(Total) > sum(Available) sum(Total)>sum(Used)
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