https://github.com/lucasdota/jdbc_delete_values

Exercício em Java para treinar como deletar valores no mySQL
https://github.com/lucasdota/jdbc_delete_values

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Exercício em Java para treinar como deletar valores no mySQL

• Host: GitHub
• URL: https://github.com/lucasdota/jdbc_delete_values
• Owner: Lucasdota
• Created: 2024-10-17T13:46:14.000Z (3 months ago)
• Default Branch: master
• Last Pushed: 2024-10-17T13:48:03.000Z (3 months ago)
• Last Synced: 2024-10-19T19:34:29.792Z (3 months ago)
• Language: Java
• Size: 4.88 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
## Exercício em Java para treinar como deletar valores no mySQL

### Programa principal:

```java

package application;

import java.sql.Connection;

import java.sql.PreparedStatement;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import db.DB;

import db.DbIntegrityException;

public class Program {

	public static void main(String[] args) {

	

		Connection conn = null;

		PreparedStatement st = null;

		

		try {

			conn = DB.getConnection();

			st = conn.prepareStatement(

					"DELETE FROM department "

					+ "WHERE "

					+ "Id = ?");

			

			st.setInt(1, 5);

			

			int rowsAffected = st.executeUpdate();

			

			System.out.println("Done! Rows affected: " + rowsAffected);

		} catch (SQLException e) {

			throw new DbIntegrityException(e.getMessage());

		} finally {

			DB.closeStatement(st);

			DB.closeConnection();

		}

		

	}

}

```