DBCP and C3P0 data sources
Database connection pool
DBCP---------C3P0 connection pool
What is a connection pool
Database connection - execution complete - release
Connect - free up wasted system resources
Pooling Technology: prepare some pre prepared resources and connect the pre prepared resources
For example, the bank counter:
Open the door - serve one person - ...
Posted by parth on Sat, 22 Jan 2022 20:26:20 +0100
Java database connection (JDBC)
JDBC: JDBC essence: it is actually a set of rules defined by the official (sun company) to operate all relational databases, that is, interfaces. Each database manufacturer implements this interface and provides database driver jar package. We can use this set of interfaces (JDBC) to program, and the real executed code is to drive the implement ...
Posted by DoomyCheese on Mon, 20 Dec 2021 08:10:50 +0100