Have you ever expierienced the "Internet explorer cannot display this page because there is a problem with the certificate of this site" - error when youtry to connect to Oracle 10g database control ? ... Well then i have bad news for you. ...

Oracle updates can be very tricky. Here is a small solution how to upgrade a single database form Oracle 10g to 11g. ...

How to test your 406 MHz distress beacon without the need to spend hundreds of dollars for testequipment. ...