It’s very strange if you are still using JDBC in your project for database access because there are lot’s of powerful alternatives like hibernate and iBatis. But it is important to learn basics and it requires learning JDBC first.

In this post, I am giving an example of making a connection with database using MySQL Driver. Read more about types of JDBC drivers.

Handling a connection requires following steps:

1) Load the driver
2) Open database connection
3) Close database connection

Let’s follow above steps in code:

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. With this method, you could use an external configuration file to supply the. MySQL Stored Procedure Programming: Building High-Performance Web Applications in MySQL (2006) by Guy Harrison, Steven Feuerstein MySQL Crash Course (2005) by Ben Forta A Guide to MySQL (Available Titles Skills Assessment Manager (SAM) - Office 2010) (2005) by Philip J. As a JDBC Driver, MySQL JDBC Driver can be used to access and explore MySQL data directly from the Data Source Explorers included in popular java IDEs. As a standard JDBC Driver, developers can connect the Data Source Explorer to MySQL JDBC Driver, just like connecting to any standard database.

1) Load JDBC driver

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. With this method, you could use an external configuration file to supply the.
The driver fully supports the MySQL database functionality and enables other applications to connect to the database. The connector uses a JDBC driver for retrieving information from the database.

Mysql Jdbc Driver Location

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.jdbc.Driver. With this method, you could use an external configuration file to supply the driver class name and driver parameters to use when connecting to a database.

As part of its initialization, the DriverManager class will attempt to load the driver classes referenced in the “jdbc.drivers” system property. This allows a user to customize the JDBC Drivers used by their applications.

2) Open database connection

After the driver has been registered with the DriverManager, you can obtain a Connection instance that is connected to a particular database by calling DriverManager.getConnection():

Once a Connection is established, it can be used to create Statement and PreparedStatement objects, as well as retrieve metadata about the database.

3) Close database connection

This step is as much important as opening a connection. Any connection left open is waste of resource and lead to various exceptions.

Complete JDBC Connection Example

Let’s see the whole thing working in an example below:

That’s all for this topic. Drop a comment if something needs more explanation.

Happy Learning !!

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This section provides quickstart instructions for making a simple connection to a SQL Server database by using the Microsoft JDBC Driver for SQL Server. Before you connect to a SQL Server database, SQL Server must first be installed on either your local computer or a server, and the JDBC driver must be installed on your local computer.

Choosing the right JAR file

The Microsoft JDBC Driver provides different Jars to be used in correspondence with your preferred Java Runtime Environment (JRE) settings, as under:

The Microsoft JDBC Driver 9.2 for SQL Server provides mssql-jdbc-9.2.1.jre8.jar, mssql-jdbc-9.2.1.jre11.jar, and mssql-jdbc-9.2.1.jre15.jar class library files.

The Microsoft JDBC Driver 8.4 for SQL Server provides mssql-jdbc-8.4.1.jre8.jar, mssql-jdbc-8.4.1.jre11.jar, and mssql-jdbc-8.4.1.jre14.jar Ecu map editor software free. class library files.

The Microsoft JDBC Driver 8.2 for SQL Server provides mssql-jdbc-8.2.2.jre8.jar, mssql-jdbc-8.2.2.jre11.jar, and mssql-jdbc-8.2.2.jre13.jar class library files.

The Microsoft JDBC Driver 7.4 for SQL Server provides mssql-jdbc-7.4.1.jre8.jar, mssql-jdbc-7.4.1.jre11.jar, and mssql-jdbc-7.4.1.jre12.jar class library files.

The Microsoft JDBC Driver 7.2 for SQL Server provides mssql-jdbc-7.2.2.jre8.jar, and mssql-jdbc-7.2.2.jre11.jar class library files.

The Microsoft JDBC Driver 7.0 for SQL Server provides mssql-jdbc-7.0.0.jre8.jar, and mssql-jdbc-7.0.0.jre10.jar class library files.

The Microsoft JDBC Driver 6.4 for SQL Server provides mssql-jdbc-6.4.0.jre7.jar, mssql-jdbc-6.4.0.jre8.jar, and mssql-jdbc-6.4.0.jre9.jar class library files.

The Microsoft JDBC Driver 6.2 for SQL Server provides mssql-jdbc-6.2.2.jre7.jar, and mssql-jdbc-6.2.2.jre8.jar class library files.

The Microsoft JDBC Drivers 6.0 and 4.2 for SQL Server provide sqljdbc41.jar, and sqljdbc42.jar class library files.

The Microsoft JDBC Driver 4.1 for SQL Server provides the sqljdbc41.jar class library file.

Your choice will also determine available features. For more information about which JAR file to choose, see System requirements for the JDBC driver.

Setting the classpath

The Microsoft JDBC driver jars are not part of the Java SDK and must be included in Classpath of user application.

If using JDBC Driver 4.1 or 4.2, set the classpath to include sqljdbc41.jar or sqljdbc42.jar file from respective driver download.

If using JDBC Driver 6.2, set the classpath to include the mssql-jdbc-6.2.2.jre7.jar or mssql-jdbc-6.2.2.jre8.jar.

If using JDBC Driver 6.4, set the classpath to include the mssql-jdbc-6.4.0.jre7.jar, mssql-jdbc-6.4.0.jre8.jar, or mssql-jdbc-6.4.0.jre9.jar.

If using JDBC Driver 7.0, set the classpath to include the mssql-jdbc-7.0.0.jre8.jar or mssql-jdbc-7.0.0.jre10.jar.

If using JDBC Driver 7.2, set the classpath to include the mssql-jdbc-7.2.2.jre8.jar or mssql-jdbc-7.2.2.jre11.jar.

If using JDBC Driver 7.4, set the classpath to include the mssql-jdbc-7.4.1.jre8.jar, mssql-jdbc-7.4.1.jre11.jar, or mssql-jdbc-7.4.1.jre12.jar.

If using JDBC Driver 8.2, set the classpath to include the mssql-jdbc-8.2.2.jre8.jar, mssql-jdbc-8.2.2.jre11.jar, or mssql-jdbc-8.2.2.jre13.jar.

If using JDBC Driver 8.4, set the classpath to include the mssql-jdbc-8.4.1.jre8.jar, mssql-jdbc-8.4.1.jre11.jar, or mssql-jdbc-8.4.1.jre14.jar.

If using JDBC Driver 9.2, set the classpath to include the mssql-jdbc-9.2.1.jre8.jar, mssql-jdbc-9.2.1.jre11.jar, or mssql-jdbc-9.2.1.jre15.jar.

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