The argument must be a time, timestamp, or a valid character string representation of a time or timestamp that is not a CLOB, LONG VARCHAR, or XML value. The result of the function is an integer between 0 and 59. If the argument can be null, the result can be null. If the argument is null, the result is 0.
The RECEIVED column contains a timestamp that has an internal value
equivalent to 2005-12-25-17.12.30.000000.
To return only the seconds part of the timestamp, use the following syntax: