>Thanks for replay,
>It's a simple table, not used in views and has no triggers.
>I am not sure what does it mean rebuild statistic, I am not very good as DBA I am mostly developer. Please explain and we definitely did not rebuild anything.

Here are few helpful links I found

http://www.sql-server-performance.com/tips/rebuilding_indexes_p1.aspx

http://blog.techdreams.org/2007/12/how-to-decide-whether-to-rebuild-or.html