TIMESTAMP is an [application domain|DOMAIN] that has the following characteristics:
* data type in the data base is TIMESTAMP (see below)
* screen representation is as a text field (usually display only - as the value would be system generated)
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TIMESTAMP is an [Oracle data type] that indicates this field holds a date/time value. 

TIMESTAMP is similar to DATE but allows for accuracy down to three decimal places beyond seconds (the most granular that [DATE] goes).