Re: [wdvltalk] strange mssql problem

2008-11-20 Thread steve miller
Hi Tim,

I'll check, but I'm almost positive there is a primary key because  
this is a main "Customer" table which identifies all the important  
info about the clients.


steve



On Nov 20, 2008, at 9:35 AM, Furry, Tim wrote:

> steve wrote...
> We are using php to connect to a local MS SQL database, and all  
> seems to be fine. We are connecting to several tables within the  
> same database, and are able to insert, update, delete, etc.  
> However, there is one table that refuses to let us update, and we  
> can not figure out why.
>
> We get no errors from the script, but no records updated. If I echo  
> out the sql statement, connect to the database with Access as the  
> same user, and copy/paste the query into Access, the update works.
>
> Tim responds:
> One thing you might check is if the table in question has a primary  
> key.  In some situations the lack of a primary key will prevent  
> DBMSs from updating rows (i.e. it doesn't have any way to lock the  
> record). This problem usually doesn't throw an error (speaking from  
> experience).
>
>
>
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Re:[wdvltalk] strange mssql problem

2008-11-20 Thread Furry, Tim
steve wrote...
We are using php to connect to a local MS SQL database, and all seems to be 
fine. We are connecting to several tables within the same database, and are 
able to insert, update, delete, etc. However, there is one table that refuses 
to let us update, and we can not figure out why.

We get no errors from the script, but no records updated. If I echo out the sql 
statement, connect to the database with Access as the same user, and copy/paste 
the query into Access, the update works.

Tim responds:
One thing you might check is if the table in question has a primary key.  In 
some situations the lack of a primary key will prevent DBMSs from updating rows 
(i.e. it doesn't have any way to lock the record). This problem usually doesn't 
throw an error (speaking from experience).



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