Search notes:

Oracle: Init parameter OPTIMIZER_FEATURES_ENABLE

The value of optimizer_features_enable can be set to a «version number». The higher the version number, the more optimizer features will be enabled.
The effect of optimizer_features_enable is independent of the value of compatible.

See also

The value of optimizer_features_enable influences the default value of
The SQL hint optimizer_features_enable
init parameters

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...', 1788555169, '216.73.216.30', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/adminstration/init-parameters/optimizer/features_enable(47): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78