Ajay,
Do you have tables with more than 255 columns? Oracle
handles tables with more than 255 columns using
intra-block chaining. There was a bug where the
"table fetch continued row" was incorrectly
incremented when accessing those tables.
HTH,
- Anita
- Ajay Singh Rathore <ajaysr_at_hclinsys.com> wrote:
> Hi,
> While using insert command on one of my table, In
> V$SQLAREA I found below data for that table. Can
> anybody help me why I am gettting this?
>
>
> select
> SQL_TEXT,ROWS_PROCESSED,DISK_READS,BUFFER_GETS
> from v$sqlarea ;
>
> SQL_TEXT
> ROWS_PROCESSED DISK_READS BUFFER_GETS
> insert into event_bal_impacts_t ( percen
> 16 27 403
> t, product_obj_DB, product_obj_ID0, prod
> uct_obj_TYPE, product_obj_REV, rate_obj_
> DB, rate_obj_ID0, rate_obj_TYPE, rate_ob
> j_REV, account_obj_DB, account_obj_ID0,
> account_obj_TYPE, account_obj_REV, impac
>
> select * from v$sysstat where name like 'table%' ;
>
> STATISTIC# NAME
> CLASS VALUE
> ---------- ----------------------------------------
> ---------- ----------
> 143 table scans (short tables)
> 64 379
> 144 table scans (long tables)
> 64 42
> 145 table scans (rowid ranges)
> 64 0
> 146 table scans (cache partitions)
> 64 0
> 147 table scans (direct read)
> 64 0
> 148 table scan rows gotten
> 64 3632937
> 149 table scan blocks gotten
> 64 36491
> 150 table fetch by rowid
> 64 463108
> 151 table fetch continued row
> 64 28
>
> 151 table fetch continued row SHOW VALUE 28 BUT
> there is no-chaining in table(s).
>
> Thanks,
> Ajay
>
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Received on Sat Jun 23 2001 - 09:53:21 CDT
