package org.kodejava.jdbc;
import java.sql.DriverManager;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class SqlLimitExample {
private static final String URL = "jdbc:mysql://localhost/kodejava";
private static final String USERNAME = "root";
private static final String PASSWORD = "";
public static void main(String[] args) {
try (Connection connection =
DriverManager.getConnection(URL, USERNAME, PASSWORD)) {
// Create PreparedStatement to get all data from database.
String query = "select count(*) from products";
PreparedStatement ps = connection.prepareStatement(query);
ResultSet result = ps.executeQuery();
int total = 0;
while (result.next()) {
total = result.getInt(1);
}
System.out.println("Total number of data in database: " +
total + "\n");
// Create PreparedStatement to the first 5 records only.
query = "select * from products limit 5";
ps = connection.prepareStatement(query);
result = ps.executeQuery();
System.out.println("Result fetched with specified limit 5");
System.out.println("====================================");
while (result.next()) {
System.out.println("id:" + result.getInt("id") +
", code:" + result.getString("code") +
", name:" + result.getString("name") +
", price:" + result.getString("price"));
}
// Create PreparedStatement to get data from the 4th
// record (remember the first record is 0) and limited
// to 3 records only.
query = "select * from products limit 3, 3";
ps = connection.prepareStatement(query);
result = ps.executeQuery();
System.out.println("\nResult fetched with specified limit 3, 3");
System.out.println("====================================");
while (result.next()) {
System.out.println("id:" + result.getInt("id") +
", code:" + result.getString("code") +
", name:" + result.getString("name") +
", price:" + result.getString("price"));
}
} catch (SQLException e) {
e.printStackTrace();
}
}
}
An example result of our program is:
Total number of data in database: 9
Result fetched with specified limit 5
====================================
id:1, code:P0000001, name:UML Distilled 3rd Edition, price:25.00
id:3, code:P0000003, name:PHP Programming, price:20.00
id:4, code:P0000004, name:Longman Active Study Dictionary, price:40.00
id:5, code:P0000005, name:Ruby on Rails, price:24.00
id:6, code:P0000006, name:Championship Manager, price:0.00
Result fetched with specified limit 3, 3
====================================
id:5, code:P0000005, name:Ruby on Rails, price:24.00
id:6, code:P0000006, name:Championship Manager, price:0.00
id:7, code:P0000007, name:Transport Tycoon Deluxe, price:0.00
Maven dependencies
<!-- https://search.maven.org/remotecontent?filepath=mysql/mysql-connector-java/8.0.28/mysql-connector-java-8.0.28.jar -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.28</version>
</dependency>
Founder at Kode Java Org
A programmer, runner, recreational diver, live in the island of Bali, Indonesia. Programming in Java, Spring, Hibernate / JPA. You can support me working on this project, buy me a cup of coffee ☕, every little bit helps, thank you 🙏
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