Detailed description of the jdbc.properties configuration file (connection database is mysql)

The code in jdbc.properties is as follows:

#mysql driver class
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://123.57.9.115:3306/hwyServiceTest?userUnicode=true&characterEncoding=utf8
#database username
jdbc.username=root
#Database password
jdbc.password=root
#Maximum number of connection pools
jdbc.maxActive=9000
#Connection pool maximum idle
jdbc.maxIdle=1000
#Connection pool minimum idle
jdbc.minIdle=1
#Initialize connection size
jdbc.initialSize=3
#Get the maximum waiting time for the connection
jdbc.maxWait=9000
#Used to verify the validity of the database connection
jdbc.validationQuery=select 1

 
The detailed explanation about validationQuery can be viewed:
http://zyx19920203.iteye.com/blog/2300592

 

The explanation about the url:

The role of JDBC URL can be understood as follows: it is the address used when your JAVA program accesses the database and connects with the specified database. The address information includes the type of the database, the port, and the username and password for logging in to the database.

Different database urls are inconsistent:

http://zyx19920203.iteye.com/blog/2300599