Tom Kyte has an excellent method of finding which are chained and which are migrated
published in a recent issue of Oracle magazine. I don't know which one, possibly the
latest, but will check when I get back in the office. In the meantime, the
information may be on his web site.
A good starting point...
http://asktom.oracle.com/pls/ask/f?p=4950:8:104855126678244125::NO::F4950_P8_DISPLAYID,F4950_P8_CRITERIA:358341515662,
If you have Oracle magazine, though, he answers your specific question.
<<< [EMAIL PROTECTED] 3/11 10:40a >>>
AK,
hi, row chaining is because the big row(row length is bigger than the
block size), while row migration is because of small pctfree and updated rows.
So, just look at the length of the rows. If chained rows, no
way(unless you use larger block size and the row does not contains really long column
like long/long row data type), if migrated rows, you can move the table to repair the
migrated rows.
Good luck
Regards
zhu chao
msn:[EMAIL PROTECTED]
www.cnoug.org(China Oracle User Group)
======= 2003-03-11 07:14:00 ,you wroteś*=======
>RE: Running multiple instances on a [large] serverI see some values >0 for
>chaint_cnt in dba_tables . How do I know if this is chained rows or migrated rows ?
>Any hits .
>
>Thanks,
>ak
= = = = = = = = = = = = = = = = = = = =
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