Search notes:

Oracle: Read the value of an environment variable with DBMS_SYSTEM.GET_ENV

dbms_system.get_env allows to read the value of an environment variables: 
declare
   temp varchar2(1234);
begin
   sys.dbms_system.get_env('TEMP', temp);
   dbms_output.put_line(temp);
end;
/

See also

dbms_system

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/developm...', 1758197377, '216.73.216.150', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/installed/packages/dbms/system/api/get_env(43): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78