This article has additional information about the TIMESTAMP_TO_DATE SQL function.
For convertibility of this function, go to SQL functions S - Z.
TIMESTAMP_TO_DATE
Converts a datetime containing time information to a date not containing time information (or implying midnight for time).
Syntax
TIMESTAMP_TO_DATE( date )
Example
SELECT TIMESTAMP_TO_DATE( SYSDATE )
FROM dual
This is a convertible function resolved by USoft and thus supported on all RDBMS platforms.