After upgrading my AWS RDS instance from Oracle 11g Oracle 19c, my DB Link stopped working with a certificate error. Uh-oh. The symptoms of the problem that I encountered are best summed up by this SQL*Plus snippet: SQL> select * from dual@test1; select * from dual@test1 * ERROR at line 1: ORA-29024: Certificate validation failure A bit of context: The above is testing an Oracle Database Link “test1” which was created using the TCPS protocol (i.

It’s now about two weeks since the HMRCs splurge on getting the UK to go out for a meal has finished. In discount dining finder I showed how to make a map-based tool to search all Eat Out to Help Out (EOTHO) establishments in very little time. What follows is the story of what happened after the site launched, and how I failed to make a dent at marketing. To recap:

This post describes how I developed the Discount Dining Finder a lookup map tool for the Eat Out to Help Out scheme in my spare time. I currently work with Equal Experts and HMRC. The aim of this writing is to provide an insight into how problems of scaling services can be solved by having no servers and not using “serverless services” either. Aperitif A really nice side effect in working in a high functioning environment is that sometimes you’re involved in bouncing ideas off each other.