Temporal insertions are to normal relational insertions with the difference that the valid time of each row inserted must be specified. The TEMPORAL keyword is used to indicate that the command is a temporal insert and the value list is preceded by a valid clause specifying the one or more instants or periods that are associated with the row. An exception will be thrown is an attempt is made to insert an interval into an event table.
An instant can be inserted into a state table; if it is, it is converted to a period with the same start and stop time. More.
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