Teradata Vantage™ - Temporal Table Support describes syntax that is especially relevant to temporal tables. Syntax that is not required, or that is not otherwise specific to temporal tables is generally not shown in this document. For additional syntax, see Teradata Vantage™ - SQL Data Definition Language Syntax and Examples, B035-1144 , Teradata Vantage™ - SQL Data Manipulation Language, B035-1146 , and Teradata Vantage™ - SQL Data Control Language, B035-1149.
[ { CURRENT | NONSEQUENCED } VALIDTIME |
[ SEQUENCED ] VALIDTIME [ period_expression ] |
NONTEMPORAL
]
upsert_statement [;]
To ensure application portability to ANSI standards for temporal SQL, Teradata recommends explicit specification of all temporal qualifiers.