What are the potential pitfalls of storing date/time data in a MySQL database for future migration to MSSQL or Oracle?

One potential pitfall of storing date/time data in a MySQL database for future migration to MSSQL or Oracle is the difference in date/time functions and formatting between the different database systems. To mitigate this issue, it is recommended to store date/time data in a standardized format such as ISO 8601 (YYYY-MM-DD HH:MM:SS) to ensure compatibility during migration.

// Store date/time data in MySQL database in ISO 8601 format
$date = date('Y-m-d H:i:s');
$query = "INSERT INTO table_name (date_column) VALUES ('$date')";
mysqli_query($connection, $query);