epoch
Returns the number of seconds since the epoch given a timestamp
value.
Example
Return the number of seconds since the epoch for Sales_Date.
epoch(SALES.Sales_Date_dim.Sales_Date)
Syntax
epoch(timestamp expr t)
Notes
The epoch or “Unix Time” is the time elapsed since January 1, 1970. This function returns the number of seconds elapsed since January 1, 1970 and the specified timestamp
argument.