reading of this two week

Oracle automatic segment space management: ASSM internal structures
http://www.dba-oracle.com/art_builder_assm.htm

Not KEEPing
http://jonathanlewis.wordpress.com/2010/03/20/not-keeping/

Row Directory
http://jonathanlewis.wordpress.com/2009/05/21/row-directory/

Index too big
http://jonathanlewis.wordpress.com/2010/03/25/index-too-big/

heap block compress
http://jonathanlewis.wordpress.com/2010/03/30/heap-block-compress/

Failed Login
http://jonathanlewis.wordpress.com/2010/04/05/failed-login/

Daylight Saving Time Causes Performance Issues!
http://prodlife.wordpress.com/2010/04/02/daylight-saving-time-causes-performance-issues/

Block cleanout – fast or delayed.
http://www.jlcomp.demon.co.uk/cleanout.html

Snapshot too old and delayed block cleanout
http://www.ixora.com.au/q+a/0103/24224451.htm

Parse Calls
http://jonathanlewis.wordpress.com/2007/07/03/parse-calls/

Nutshell – 1
http://jonathanlewis.wordpress.com/2009/10/14/nutshell-1/

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