hii there,
please share the url of the website where you want to changes? please share the credential of your website so i would check and let you know exact time and budget.
i have 6 year experience in php,mysql,mysqli,sqlize ,oracel and other databases. i worked with different databases and can easily handle this task.
please share more about your project so we can start your project right now.
Kindly drop a message so we can discuss.