Nonsequenced Transaction-Time Queries - Advanced SQL Engine - Teradata Database

Temporal Table Support

Product
Advanced SQL Engine
Teradata Database
Release Number
17.05
17.00
Published
June 2020
Language
English (United States)
Last Update
2021-01-23
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dita:id
B035-1182
lifecycle
previous
Product Category
Teradata Vantage™

Nonsequenced transaction-time queries on transaction-time tables produce nontemporal tables as a result. Use the NONSEQUENCED TRANSACTIONTIME qualifier to query and compare across all transaction-time states simultaneously.

The nonsequenced query treats a transaction-time table as a table with a regular Period column with no special temporal semantics. References to the transaction-time column can appear anywhere in the query.

If the projection list specifies *, the transaction-time column is also projected.

If the query involves a bitemporal or valid-time table, refer to the following topics for additional information that applies to the valid-time dimension: