This week's book giveaway is in the Programmer Certification forum. We're giving away four copies of OCP Oracle Certified Professional Java SE 11 Programmer I Study Guide: Exam 1Z0-815 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
1. what is the differences between connection and a thread?
2. when people say DB supports connection pooling does connecting pool size and thread are same?
3. why JDBC is a blocking I/O and R2DBC claims non-blocking which don't understand
4. pool of connection vs pool of threads
Need one or 2 practical example. If anything with image/diagram would be very much useful.