Re: Some doubts)

hi,
1.row chaining: see oracle8i concepts page 4-10. 2. partition: physically partition a table into several small tables, and logically they are one table.

    see detailed difinition at: oracle8i concepts 11-2.

• Original Message ----- From: "Viraj Luthra" <viraj999_at_lycos.com> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Thursday, August 09, 2001 10:25 AM Subject: Some doubts)

> Hello gurus,
>
> I need some help here. I am trying to get some understanding of the following:-
>(Pardon my stupidity, if you can call this)
>
> 1. What are chained rows?
>
> 2. What is index/table partitioning?
>
> 3. In case of getting a table fragmentation report, what does the following have a
>physical meaning:-
>
> pct_free ?
>
> pct_used?
>
> it says Rows = 130750,?
> but my actual table has got more no. rows than that, how did that happen, even
>though I just ANALYSED the table, I did a Estinate statistics though, does it matter,
>not a compute statistics.
>
> block_alloc?
>
> block hwm?
>
> MB alloc?
>
> MB hwm?
>
> %hwm bytes used?
>
> TIA
>
> raja
>
>
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