[英]sql greater than statement returns values less than and greater than
我知道我的問題是該值是一個字符串,但是如何解決該問題並返回正確的結果?
這是我的查詢和返回結果的摘錄
select [Count of Disk Errors], _ResourceGuid from Inv_Hard_Disk_Errors
where _resourceguid in (select guid from vComputer where IsManaged = '1')
and [COUNT of Disk Errors] > '250'
order by 1 desc
Count of Disk Errors _ResourceGuid
99 DDDC8FDE-46CD-493F-8AB9-0570DECE9183
9 005E111E-B04B-44C8-B6FE-37FBC9547B8D
88 E6BB97E7-67AE-4DF5-BD44-C1612098B137
87 A0EE300B-C449-4E3A-9B82-7442F3AEDF11
8 9A73D013-D2BA-43DC-A213-EF8FC9789498
select [Count of Disk Errors], _ResourceGuid
from Inv_Hard_Disk_Errors
where _resourceguid in (select guid from vComputer where IsManaged = '1')
and try_cast([COUNT of Disk Errors] as int) > 250
order by try_cast([COUNT of Disk Errors] as int) desc
在Sql Server 2012及更高版本中:當轉換失敗而不是錯誤時,這些參數中的每一個都將返回null
。
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