老PCS替换代码优化，工业大屏优化，PDA功能优化

dengjunjie

2024-07-05 ddab693f389b648157c8b48c7fcbdefc92561dd2

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-- ´æ´¢¹ý³Ì
CREATE PROCEDURE DeleteOldRecords
    @MonthsAgo INT
AS
BEGIN
    DECLARE @CutOffDate DATE = DATEADD(MONTH, -@MonthsAgo, GETDATE());
 
    DELETE FROM dt_log_pcs
    WHERE [createtime ] < @CutOffDate;
END
GO