How do I test for SQL Injection

[Scalemotorcars]

Well, using PHPmyadmin I found the below items.

I'm not sure how to do the search you're referring to. And not sure how to check apache/nginx. In laymen's terms, please.

And thanks for the help.

%base64% in _searchcore_text, _pmtext, and _post

%exec% in _autosave, _cache, _cacheevent, _widgetconfig, _widgettype, _cronlog, _datastore, dbtech_dbseo_resolvedurl, iei_img, _language, _phrase, _plugin, _pmtext, _post, _postedithistory, _productcode, _searchcore_text, _searchgroup_text, _style, _template, _templatehistory, _thread, _user