Deleting All Rows from a Database Table

This section describes for deleting all rows from a specific database table.

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Deleting All Rows from a Database Table

     

Consider a case where we have been given one database table, now we have to delete all the rows from the table. This section describes for deleting all rows from a specific database table. Deleting all rows with the help of some java methods and APIs interfaces that is given below:

Description of program:

This program establishes the connection between the MySQL database and java file with the help of a jdbc driver. After that deletes all rows by the SQL statement and shows a message "All rows are completely deleted!". If SQL statement is not executed then displays "SQL statement is not executed!".

Here is the code of program:

import java.sql.*;

public class DeleteAllRows{
  public static void main(String[] args) {
  System.out.println
(
"Example for Deleting All Rows from a database Table!");
  Connection con = null;
  try{
  Class.forName("com.mysql.jdbc.Driver");
  con = DriverManager.getConnection
(
"jdbc:mysql://localhost:3306/jdbctutorial""root""root");
  try{
  Statement st = con.createStatement();
  String sql = "DELETE FROM employee6";
  int delete = st.executeUpdate(sql);
  if(delete == 0){
  System.out.println("All rows are completelly deleted!");
  }
  }
  catch(SQLException s){
  System.out.println("SQL statement is not executed!");
  }
  }
  catch (Exception e){
  e.printStackTrace();
  }
  }
}

Download this example.

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Deleting All Rows from a Database Table

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