How to Async Connect to PostgreSQL in Apex - Code Snippet

// Task: Async Connect to PostgreSQL
// Language: Apex

public void async_connect_to_postgresql() {
    // Implementation for Async Connect to PostgreSQL
    Object result = ...; // Initialize variable
    // TODO: Implement core logic here
    // Step 1: Prepare data
    // Step 2: Process Async Connect to PostgreSQL
    System.debug("Done");
}