Checking current theme:
select * from wp_options where option_name = ‘template’ or option_name = ‘stylesheet’ or option_name = ‘current_theme’;
You will see something like this
+———–+—————+————–+———-+
| option_id | option_name | option_value | autoload |
+———–+—————+————–+———-+
| 149 | current_theme | themename | yes |
| 45 | stylesheet | themename | yes |
| 44 | template | themename | yes |
+———–+—————+————–+———-+
3 rows in set (0.00 sec)
Changing current theme ‘themename‘ to ‘twentyeleven‘
| update wp_options set option_value = ‘twentyeleven’ where option_name = ‘template’; |
| update wp_options set option_value = ‘twentyeleven’ where option_name = ‘stylesheet’; |
| update wp_options set option_value = ‘twentyeleven’ where option_name = ‘current_theme’; |
Enjoy