Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

i have a syslog collector setup to push all events from many processes into a database. taking one process, squid, i'm trying to put the Message column from the SystemEvents table into another ...

This week, learn the solution to the challenge: Can you continue numbering by column? Hint: It's not intuitive.