I need to change the table prefix for all tables in my database... how can I do this quickly without disrupting the site?
So far I could realise the tables are created by some script. You could rename the tables. If the script keep the prefix at somewhere and using it then you will need to find out where it is stored and rename it , otherwise the script will not run
what kind of database do you have? you might have to create new tables and move the rows from the old tables into the new ones.
Run the code in sql administration like this will do RENAME TABLE member TO vb_member RENAME TABLE moderator TO vb_moderator repeat for all table in the structure...it will do..