16.20 - HELP COLUMN - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantageā„¢ Time Series Tables and Operations

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
March 2019
Content Type
Programming Reference
Publication ID
B035-1208-162K
Language
English (United States)
Last Update
2019-05-02

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 table below lists the time series column type values.

Time Series Column Time Series Column Type
TD_TIMEBUCKET TB
TD_TIMECODE TC
TD_SEQNO TN

Example: HELP COLUMN with a PTI Table Column

This HELP COLUMN statement displays the information for the TD_TIMEBUCKET column of the PTI table, TimeSeriesTab.

HELP COLUMN TimeSeriesTab.TD_TIMEBUCKET;

The HELP COLUMN output includes the attribute, Time Series Column Type, with a value of TB:

                  Column Name TD_TIMEBUCKET
                           Type I8
                       Nullable N
                         Format -(19)9
                     Max Length 8
           Decimal Total Digits ?
      Decimal Fractional Digits ?
                      Range Low ? 
                     Range High ?
                      UpperCase N
                    Table/View? T
                       Indexed? Y
                        Unique? N
                       Primary? P
                          Title ?
              Column Constraint ?
                      Char Type ?
                     IdCol Type ?
                       UDT Name ?
                Temporal Column N
       Current ValidTime Unique ?
     Sequenced ValidTime Unique ?
  NonSequenced ValidTime Unique ?
 Current TransactionTime Unique ?
            Partitioning Column N
        Column Partition Number 0
        Column Partition Format NA
            Column Partition AC NA
            Security Constraint N
                    Derived_UDT ?
             Derived_UDTFieldID ?
         Column Dictionary Name TD_TIMEBUCKET
                Column SQL Name TD_TIMEBUCKET
            Column Name UEscape ?
               Dictionary Title ?
                      SQL Title ?
                  Title UEscape ?
   UDT Database Dictionary Name ?
          UDT Database SQL Name ?
      UDT Database Name UEscape ?
            UDT Dictionary Name ?
                   UDT SQL Name ?
               UDT Name UEscape ?
        Without Overlaps Unique ?
                 Storage Format ?
                     SchemaName ?
                  Inline Length ?
               Transform Length ?
        Time Series Column Type TB