The core Formula One data could be represented in a graph like this: Drivers compete in races that are hosted on circuits. A result is achieved by the driver (position and points for the championship). If this is the graph, some questions can easily be answered: With whom has a […]
Oracle Database 23c
Oracle Database 23c as Graph Database–SQL Property Graph for network style querying
I bet you are used to relational data structures that you query using SQL. And so do I. And there is nothing in terms of data that a good SQL query cannot answer. OK, the query can become quite long – with inline expressions and multiple joins – but it […]
Live Handson Environment for Modern Oracle Database Programming
My fellow Oracle ACE Directors and former AMIS-colleagues Patrick Barel and Alex Nuijten have co-authored an impressive book: The book discusses many of the wonders of SQL and PL/SQL – the well and lesser known things you can (and should) do when programming in and against the Oracle Database. Part […]
Get Going with SQL Developer against Oracle Database 23c Free
In an earlier article, I showed how to quickly get going with an Oracle Database 23c Free instance in a Gitpod workspace – cloud based, ephemeral, quick start, zero install environment. As part of that workspace, you have access to both SQL*Plus and SQLcl as command line interface to work […]
Oracle Database 23c–Fine Grained Locking–Lock Free Reservations
This should surprise if not baffle you. Session 1 inserts a record and commits it. Session 1 performs an update on this record. And does not yet commit its transaction. Session 2 tries to update that same record …. and is able to! It does not run into a lock. […]
Get going with Oracle Database 23c Free
A new major Oracle Database release is a special occasion. I joined Oracle in May 1994 just after the Oracle7 release (December 1993) although I worked with Oracle6 for a long time after that. I remember the launch of Oracle 8 (with OO support!) in 1996 and the excitement of […]