Search notes:

Prinicipal

A principal is an entity that can be authenticated.
Microsoft apparently refers to principals as security principals.

Identity provider (IdP)

An IdP manages identity information for principals and provides authentication services.

See also

SQL Server: sys.server_principals, sys.database_principals
The .NET namespace System.Security.Principal

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...', 1740449797, '3.16.213.208', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/development/security/principal(47): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78