Description Regarding Oracle SQL's

Hi,

Got Oracle SQL scripts for (space,storage, tablespaces,AWR,ASH,CBO,Resources etc.,).

But require to know the Description/Meaning what exactly from those sql scripts will get the output info(result set), and also where/which situation can be used

For eg like CBOStatistics_SpecialStatistics_11g+(what exactly it does)., Configuration_Procedures etc.,

Some kind of short description can be mentioned in any notes or any body can able to help/guide me.

I really appreciate.

Thanks in Advance,

Sivakumar KS.