69482 re-uploading my site

Hello: I have a site that needs data base & php corrected. The site is there but mysql errors occur. Per my new hosting company - tables, information is there but someone with php knowledge needs to add the database. This is an ADULT site. Please let me know appx. when & the cost to get the site working properly. Also - Will need to delete previous & reupload the new. Thanks: Phil thepleaser