Search notes:

Oracle: NOT NULL constraint

The not null constraint prevents a column value from being null. Thus, the not null constraint is a special check constraint.
Columns that are part of a primary key or identity columns are always not null.

See also

The error messages:

Index


Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 13 database or disk is full in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:84 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(84): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(31): insert_webrequest_('/notes/developm...', 1736940316, '18.227.140.251', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/databases/Oracle/objects/tables/constraints/not-null/index(42): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 84