You can use HELP COLUMN to display information for the TD_TIMEBUCKET, TD_TIMECODE, and TD_SEQNO system generated time series columns.
HELP COLUMN output includes the attribute, Time Series Column Type. For other column types, the Time Series Column Type value is NULL. The following table lists the time series column type values.
| Time Series Column | Time Series Column Type |
|---|---|
| TD_TIMEBUCKET | TB |
| TD_TIMECODE | TC |
| TD_SEQNO | TN |