[Sinbad2uk]

Sorry for being a bit of a dummy, but how and where do I run these queries

1. Run the following SQL Queries (Adjust accordingly, if you use Table Prefixes):

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ALTER TABLE thread ADD whoviewed TEXT NOT NULL;
ALTER TABLE thread ADD whoviewedcounter TEXT NOT NULL;
ALTER TABLE thread ADD whoviewedreset INT(10) UNSIGNED NOT NULL;

I am very new to this and do not really understand what this means