> Two ?  One for the page holding the table, another for the page holding the 
> primary key ?

If table has INTEGER PRIMARY KEY then it is the same page I believe.
:) I.e. table storage is in fact an index on rowid (or its alias).


Pavel


On Wed, Apr 6, 2011 at 10:50 AM, Simon Slavin <slav...@bigfraud.org> wrote:
>
> On 6 Apr 2011, at 3:15pm, Pavel Ivanov wrote:
>
>> For each transaction SQLite must
>> write all changed pages into WAL-journal. It would be at least one
>> page per transaction.
>
> Two ?  One for the page holding the table, another for the page holding the 
> primary key ?
>
> Simon.
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