Java & MySQL - Insert Records Example

This chapter provides an example on how to insert records in a table using JDBC application. Before executing following example, make sure you have the following in place −
To execute the following example you can replace the username and password with your actual user name and password.
To execute the following example you can replace the username and password with your actual user name and password.
Your MySQL database you are using is up and running.
Your MySQL database you are using is up and running.
The following steps are required to create a new Database using JDBC application −
Import the packages − Requires that you include the packages containing the JDBC classes needed for database programming. Most often, using import java.sql.* will suffice.
Import the packages − Requires that you include the packages containing the JDBC classes needed for database programming. Most often, using import java.sql.* will suffice.
Register the JDBC driver − Requires that you initialize a driver so you can open a communications channel with the database.
Register the JDBC driver − Requires that you initialize a driver so you can open a communications channel with the database.
Open a connection − Requires using the DriverManager.getConnection() method to create a Connection object, which represents a physical connection with a database server.
Open a connection − Requires using the DriverManager.getConnection() method to create a Connection object, which represents a physical connection with a database server.
Execute a query − Requires using an object of type Statement for building and submitting an SQL statement to insert records into a table.
Execute a query − Requires using an object of type Statement for building and submitting an SQL statement to insert records into a table.
Clean up the environment − try with resources automatically closes the resources.
Clean up the environment − try with resources automatically closes the resources.
Copy and paste the following example in TestApplication.java, compile and run as follows −
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

public class TestApplication {
   static final String DB_URL = "jdbc:mysql://localhost/TUTORIALSPOINT";
   static final String USER = "guest";
   static final String PASS = "guest123";

   public static void main(String[] args) {
      // Open a connection
      try(Connection conn = DriverManager.getConnection(DB_URL, USER, PASS);
         Statement stmt = conn.createStatement();
      ) {		      
         // Execute a query
         System.out.println("Inserting records into the table...");          
         String sql = "INSERT INTO Registration VALUES (100, 'Zara', 'Ali', 18)";
         stmt.executeUpdate(sql);
         sql = "INSERT INTO Registration VALUES (101, 'Mahnaz', 'Fatma', 25)";
         stmt.executeUpdate(sql);
         sql = "INSERT INTO Registration VALUES (102, 'Zaid', 'Khan', 30)";
         stmt.executeUpdate(sql);
         sql = "INSERT INTO Registration VALUES(103, 'Sumit', 'Mittal', 28)";
         stmt.executeUpdate(sql);
         System.out.println("Inserted records into the table...");   	  
      } catch (SQLException e) {
         e.printStackTrace();
      } 
   }
}
Now let us compile the above example as follows −
C:\>javac TestApplication.java
C:\>

When you run TestApplication, it produces the following result −
C:\>java TestApplication
Inserting records into the table...
Inserted records into the table...
C:\>


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