Why is it so hard to do new things in old organizations?

I have been playing with POSTGRESQL and Java a bit and ran into the following problem, and I asked the following on the postgresql mailing list:————–I have the follow SQL statement: INSERT INTO reference VALUES (DEFAULT,’123′,’2′,1); Which generates the following error: “ERROR: duplicate key violates unique constraint “reference_pkey”” And the table definition looks like: CREATE…

As I looked for a new role at the end of 2020 in IT, I started to collect the requested skills of jobs I got offered or found while searching. As a service to people currently looking for I compiled this list of skills I found that were in highest demand. So if looking for…