Rename a databse in PHPMYAdmin

I want to update my database wiki in localhost  from another server using PHPMyAdmin.
1. In PHPMyAdmin, select database you want to rename, click Operation at the top menu and rename the database, for example rename wiki to wikiold
2. Click Databases at top menu and  create database wiki.
3. Export wiki database  from another server in sql format using PHPMyAdmin.
4. Import wiki database to localhost in PHPMyAdmin.

localhost wiki database is updated.