If the statistics say that the number of distinct values is less than zero for a column that is used as a segment-by column, it grows linearly with the number of rows in the table, which means that it is probably not a good choice for a segment-by column.
If the statistics say that the number of distinct values in a
segment-by column is 1, it is pointless to use as a segment-by column.
If the statistics say that the number of distinct values is less than zero for a column that is used as a segment-by column, it grows linearly with the number of rows in the table, which means that it is probably not a good choice for a segment-by column.
If the statistics say that the number of distinct values in a segment-by column is 1, it is pointless to use as a segment-by column.