alter table dbo.Person_Persons
    add IsInspectionBrigade bit
go

exec sp_addextendedproperty 'MS_Description', N'ΚΗ·ρΆ½²ιΘΛΤ±', 'SCHEMA', 'dbo', 'TABLE', 'Person_Persons', 'COLUMN',
     'IsInspectionBrigade'
go