If you drop a table with indexed columns, all the indexes are automatically dropped. If you drop a composite index, the index is dropped for all the columns that are named in that index.

Today we have a new twist on the Bobby Tables gag, for someone has registered a British company with the name “; DROP TABLE “COMPANIES”;– LTD “.

If your eyes glazed over at the recent announcement of an “SQL injection” vulnerability in WordPress, take heart. You’re not alone.