[EMAIL PROTECTED] wrote:
Martin Pelletier <[EMAIL PROTECTED]> wrote:
Hello,
I am trying to optimise an SQLite database running on Windows. One of
the things I'm looking at is page size. However, a page on sqlite.org
(http://www.sqlite.org/cvstrac/wiki?p=PerformanceTuningWindows) mentions
this:
"Just a note that you must also perform this command [PRAGMA
page_size=4096; ] before you start a transaction (despite the
optimization hint that every command should be in a transaction)."
Is this still true? Do I need to specify page size before any INSERT or
SELECT query, even though it is already set from the moment of database
creation? If I don't, what happens?
You only need to do PRAGMA page_size=4096 once, before your first
CREATE TABLE statement. Once the database exists, the page size
is fixed and can never change.
--
D. Richard Hipp <[EMAIL PROTECTED]>
Perfect. Thank you!
On a side note, that comment on the page
(http://www.sqlite.org/cvstrac/wiki?p=PerformanceTuningWindows) should
really be clarified to reflect what you just told me. It is clearly told
that the page_size cannot be changed, but the bit about setting it
before every transaction is misleading.
Martin
