On Oracle DB Links Connections
Something I learned today: Running queries that use multiple DB links keep those connections open until you terminate the session or those references.
Free High-Quality Developer Cheat Sheets at Refcardz
For those code ninjas who want a quick reference tool available at arms-length (or otherwise too lazy to RTFM), compiling your own cheat sheet may be the way to go. Cheat sheets are portable and compact but contain a lot of the information that matters, and they look really cool on your desk or wall.
There [...]