Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way for a Java developer to learn Java Database Connectivity (JDBC) is to experiment ...

When the MySQL database version is 8.x and use jdbc to connect, will thrown exception. SQLException: Unknown system variable 'query_cache_size'. mysql 5.x is ok, the ...

To test the connections we need to have MySQL database in place. There are many ways to do it but simplest of all is using Docker. This tutorial uses latest My SQL Docker image and PHP My Admin to ...

What is the best way to detect if MySQL is alive? Right now users can go to the Login page, attempt to login and wait for the default timeout (60 sec, IIRC) before just being put back at the login ...