What Is NULL?

Today in #oracle, Burk0 asked:<Burk0> mmm... got another problem... I'm using a "insert or update" trigger for my previous task. When I'm inserting a new row, I'd like the varchar field "oldvalue" to report "NA". I put an IF inside the trigger, checking if :old.id=null but that doesn't seem to... [Read More]
Tags: null oracle

Joining on substrings

Jonathan Lewis shared an example of joining two tables where the joining field on table is comprised of two fields on the other table. The original poster thought he'd need to re-design his table, but Jonathan proved otherwise with the grace and efficiency of a true Englishman.Definitely good to know!... [Read More]


It started with the LOLCATS. Then we had the ORLY thing and the "in ur base" thing. It's all one big conglomeration now, and it has belched forth LOLCODE. I'm told there is a parser/compiler for LOLCODE, but my head hurts just thinking about it.But it does beg the question... [Read More]