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To connect the MySQL database using Java you need an JDBC URL in the following syntax: jdbc:mysql://hostname:port/databasename. hostname: The hostname where MySQL server is installed. If it's installed at the same machine where you run the Java code, then you can just use localhost.
In this tutorial, you will learn how to connect to the MySQL database using the JDBC Connection object from a Java program.
7 lip 2010 · You're trying to connect MySQL with the URL of a jTDS JDBC driver which is designed specifically for Microsoft SQL Server. This ain't ever going to work. Even not when you fix the current problem by placing the JAR file in classpath. You really need the MySQL JDBC driver.
7 mar 2020 · First, in order to have Java program working with MySQL, we need a JDBC driver for MySQL. Browse this URL: http://dev.mysql.com/downloads/connector/j/ to download the latest version of the JDBC driver for MySQL called Connector/J. MySQL Connector/J comes into 2 major versions: 5.1 and 8.0.
Try to replace "localhost" with your port, like 127.0.0.1. Also try to add port number to your connection string, like: String connectionString = "jdbc:mysql://localhost:3306/my_database?user=root&password=Pass&useUnicode=true&characterEncoding=UTF-8"; Usually default port for MySQL is 3306.
Specify to the DriverManager which JDBC drivers to try to make Connections with. The easiest way to do this is to use Class.forName () on the class that implements the java.sql.Driver interface. With MySQL Connector/J, the name of this class is com.mysql.cj.jdbc.Driver.
2 sie 2022 · If you encounter problems when you try to connect to the MySQL server, the following items describe some courses of action you can take to correct the problem. Make sure that the server is running. If it is not, clients cannot connect to it.
