do I need to change the default database prefix?

If it is easy to do, best practice is to have all wordpress installs use their own DB. Yes it is mainly for security, but it also simplifies tasks like importing and exporting sites. If you must have several sites on one DB, then all of them have to have different prefix, and there is … Read more

Automatically convert standard posts with custom fields to custom post types

The question: what is the easiest way to convert standard posts with custom fields into a new custom post type There’s no “easy” way. Consider that all posts have custom fields (some are hidden, and WordPress will add them). So you would need to convert post types based on the presence / value of specific … Read more

Locally installing wordpress. Database problem

Please read this official article from WordPress. Some from there: Before resorting to desperate measures, there are a number of reasons for the WordPress white screen of death: 1. A Plugin is causing compatibility issues. 2. Your Theme may be causing the problem. 3. Your Theme directory may be missing or renamed.