ChangeRetentionChangeTrackingOptionDetail public class ChangeRetentionChangeTrackingOptionDetail : ChangeTrackingOptionDetail CHANGE_RETENTION part of CHANGE_TRACKING option in ALTER DATABASE SET statement. Documentation Code public Literal RetentionPeriod { get; set; } Specified retention period. public TimeUnit Unit { get; set; } Units (days|hours|minutes) for retention period. public ChangeRetentionChangeTrackingOptionDetail()