How to Check Session Time Zone
SESSIONTIMEZONE While DBTIMEZONE is to check the database time zone, the built-in function SESSIONTIMEZONE is to check the exact time zone in the current session.… Read More »How to Check Session Time Zone
SQL functions are built into Oracle Database and are available for use in various appropriate SQL statements. Do not confuse SQL functions with user-defined functions written in PL/SQL.
If you call a SQL function with an argument of a data type other than the data type expected by the SQL function, then Oracle attempts to convert the argument to the expected data type before performing the SQL function.