optimizer_secure_view_merging and plsql_declarations

The Original Problem A customer is currently upgrading some Oracle databases from 11.2 to 19c. One query was extremely slow on the new test system and my job was to find out why. The root cause was that the database parameter optimizer_secure_view_merging was set to a different value. In 19c true and […]

Connecting via JDBC to the Oracle Cloud

You can connect to an Oracle Autonomous Database in different ways. This is well documented here. It’s a bit different from what we know from on-premises environments. In this blog post, I show the steps to connect to an Autonomous Database from a third-party IDE like DataGrip. From a JDBC perspective, this is […]

Always Free Autonomous JSON Database?

Introduction Oracle just released the Autonomous JSON Database (AJD). This is a special version of the Autonomous Transaction Processing (ATP) database focussing on managing JSON documents via Simple Oracle Document Access (SODA) and SQL. Beda Hammerschmidt shows in this blog post how you can use SQL Developer Web to execute SODA and […]