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 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.

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

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL ...