||Oracle Tips by Burleson
Oracle Instance Internals Scripts
REM Waits per Datafile report
REM M. Ault 2003
col name format a66 heading 'Data File Name'
col count format 999,999,999 heading 'Wait|Count'
col file# heading 'File#' format 9,999
col wait_time heading 'Time'
col ratio heading 'Time|Count' format 999.99
set pages 47
compute sum of count on report
break on report
ttitle 'Waits Per Datafile'
set lines 132
SELECT file#, name, count, time wait_time,
FROM x$kcbfwait, v$datafile
SEE CODE DEPOT FOR FULL SCRIPT
Order By count DESC
set pages 22 lines 80
An example output from this query is shown
File Name Count Time Count
The above text is
an excerpt from:
Ault’s Oracle Internals Monitoring & Tuning Scripts
Written by the world's top DBA and author
of over 20 Oracle books, Mike Ault shares his secrets for Oracle
DBA management scripts. This handy reference is indispensable
for all Oracle professionals who must quickly automate and
manage their Oracle databases with scripts.
This stellar book comes complete with an
online code depot full of over 200 pre-tested Oracle DBA
scripts, and covers all areas of Oracle database administration
including data files, tablespace, table and index management
scripts. Based on more than 20 years full-time experience, Mike
Ault brings his expertise to the public with this fantastic
book. Your time savings from a single script is worth the price
of this great book.
Mike Ault is one of the
leading names in Oracle technology. The author of 20
books and hundreds of articles in national publications,
Mike was the first popular Oracle author with his
landmark book "Oracle7 Administration and Management".
Mike also wrote several of the "Exam Cram" books, and
enjoys a reputation as a leading author and Oracle
working with computers in 1979 right out of a stint in
the Nuclear Navy. He began working with Oracle in 1990
and has since become a World Renowned Oracle expert (in
the words of his publisher anyway!) Mike has written 14
Oracle related books, dozens of articles, and has
presented at conferences in Europe and the USA. Mike has
two wonderful daughters and is kept out of trouble by
his wife of 29 years, Susan.
See the Oracle script collection::