Search notes:

Registry: HKEY_LOCAL_MACHINE\Software\Microsoft\DataAccess

FullInstallVer

The value of FullInstallVer allows to check the version of MDAC: 
get-itemPropertyValue HKLM:\SOFTWARE\Microsoft\DataAccess  FullInstallVer
Note that the documentation says that this method is somewhat unreliable.

See also

MDAC

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/Windows/...', 1758844755, '216.73.216.5', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Windows/registry/tree/HKEY_LOCAL_MACHINE/Software/Microsoft/DataAccess/index(43): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78