Using COMMIT is only required if you issued a BEGIN TRANS before your
INSERTs, UPDATEs and / or DELETEs. All transactions are automatically
committed if you don't use BEGIN TRANS. Are you backing up the
transaction logs regularly?
-- bob
On Fri, 16 Dec 2005, Alex Gemmell wrote:
> Hello people,
>
> My PHP application uses a SQL Server 2000 database. I have previously
> only ever used MySQL and so my knowledge of SQL Server comes just from
> experimentation and trial and error experience.
>
> My PHP application appears to be working fine but I have just discovered
> that although the database itself is rather small on the disk (about
> 25MB) the transaction log file is huge (400MB). I have had a quick look
> at Microsoft's website about large transaction files and they suggest
> many reasons, one of which is the application not COMMITing
> transactions. This is certainly true because I simply make INSERT and
> UPDATE queries but don't include a COMMIT statement.
>
> So my question is this: should I be COMMITing?
>
> How do I do that? Do I simply run something like this after every
> INSERT/UPDATE/DELETE:
>
> mssql_query('COMMIT', $link_identifier);
>
> Please help - I feel like I'm missing a trick here.
>
> FYI: I'm also now doubting my use of "mssql_pconnect()" - should I
> being using "mssql_connect()" with "mssql_close()" instead?
>
> Thanks,
>
> Alex
>
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