"讌 - 1" 蟾讌 一危郁 企 .
れ螻 螳 一危磯ゼ 豢豢螻 .

SELECT 讌-1 AS 讌, ....
FROM 企

讌襷 企 讌 一危磯 れ .
蠏碁 讌螻 螳 2覦一螳 り .

SELECT CurrentDate AS 讌, ....
FROM 企
WHERE CurrentDate >= 讌 - 1

螳 覦伎朱 貊襯 燕伎 ..
豁.. 誤..