Hi Alexandre,

Do I need to run SET STATISTICS after rebuilding the index? Or does rebuilding the index recomputes stats?

Vlad

----- Original Message ----
From: Alexandre Benson Smith <iblist@...>
To: firebird-support@yahoogroups.com
Sent: Tuesday, January 30, 2007 11:38:20 AM
Subject: Re: [firebird-support] SET STATISTICS













Vlad Orlovsky wrote:

> Hi All,

>

> I would like to schedule a job that would rebuild all the indexes in the DB.

>

> Do I need to SET STATISTICS.. . after

>

> DROP INDEX...

> CREATE INDEX...

>

> or is SET STATISTICS by itself sufficient?

>

> Thanks in advance,

> Vlad

>

Set statistics will recompute the index selectivity.



Alter index INDEX_NAME INACTIVE;

Alter index INDEX_NAME ACTIVE;



Will rebuild the index.



Note that you cannot make an index created by a constraint (PK, FK,

Unique) inactive.



see you !



--

Alexandre Benson Smith

Development

THOR Software e Comercial Ltda

Santo Andre - Sao Paulo - Brazil

www.thorsoftware. com.br














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