Driver Jdbc — Postgresql

<dependency> <groupId>com.zaxxer</groupId> <artifactId>HikariCP</artifactId> <version>5.0.1</version> </dependency>

// Inserting an Array String[] data = "apple", "banana", "cherry"; String sql = "INSERT INTO fruit_basket (fruits) VALUES (?)"; try (PreparedStatement pstmt = conn.prepareStatement(sql)) // Create a SQL Array from the Java array java.sql.Array sqlArray = conn.createArrayOf("VARCHAR", data); pstmt.setArray(1, sqlArray); pstmt.executeUpdate();

By default, PostgreSQL sends data in text format. You can force binary transfer for better performance with large datasets. driver jdbc postgresql

catch (SQLException e) e.printStackTrace();

public class PostgreSQLExample public static void main(String[] args) // Connection URL String url = "jdbc:postgresql://localhost:5432/mydatabase"; <dependency> <groupId>com

import org.postgresql.Driver; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException;

// Or simpler (relying on driver conversion) String sql = "INSERT INTO data_table (json_col) VALUES (?)"; pstmt.setObject(1, json, Types.OTHER); // Establish a connection Connection conn = DriverManager

import com.zaxxer.hikari.HikariConfig; import com.zaxxer.hikari.HikariDataSource; import java.sql.Connection; import java.sql.SQLException;

// CREATE try (PreparedStatement ps = conn.prepareStatement( "INSERT INTO users (name, email) VALUES (?, ?)")) ps.setString(1, "Alice"); ps.setString(2, "alice@example.com"); ps.executeUpdate();

Always use PreparedStatement for queries involving user input to prevent .

// Establish a connection Connection conn = DriverManager.getConnection(url, user, password);