The first thing you'll learn in this PostgreSQL and Java Database Connectivity (JDBC) tutorial is that most developers simply call it Postgres. The two terms are both interchangeable and official. Use ...

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...

Search countries by name fragment and return NOC codes (National Olympic Committee). Use before medal tools when the user says e.g. "United States" instead of "USA".

# promote.sh — promote replica-1 to primary and rewire ProxySQL. # Runs as a side-effect after inject.sh. In production this is done by an HA tool. # Move the new primary (5434) into the writer ...