Oracle
From Federal Burro of Information
Archive log
how to setup:
http://www.beyondoracle.com/2008/05/08/setup-oracle-database-archivelog-mode/
sql plus:
shutdown immediate; startup mount; alter database archivelog; alter database open;
examine:
archive log list; select log_mode from v$database;
Other tips
Quick tour http://docs.oracle.com/cd/B19306_01/text.102/b14217/quicktour.htm
mysql's \G vertical output: https://forums.oracle.com/forums/thread.jspa?threadID=923884
sqlplus for windows - setting it up right http://www.williamrobertson.net/documents/sqlplus-setup.html
formatting output http://blog.tanelpoder.com/2007/08/07/sqlplus-is-my-second-home-part-1-htmlizing-your-sqlplus-output/