On 09/11/10 12:26 PM, Merlin Moncure wrote:
On Fri, Sep 10, 2010 at 11:07 PM, wrote:
Using PostgreSQL I can't open a table and do seeks against an index. I
could do a select against the database and see if 0 records are returned,
but that seems to take more time than doing a seek on an index.
On Fri, Sep 10, 2010 at 11:07 PM, wrote:
> Using PostgreSQL I can't open a table and do seeks against an index. I
> could do a select against the database and see if 0 records are returned,
> but that seems to take more time than doing a seek on an index. Is there a
> more SQL friendly way of han
Martin Gainty wrote:
-- i usually
INSERT the record
--then check for PK VIOLATION e.g.
IF PK_VIOLATION then UPDATE record
is FoxPro still supported???
My understanding is that exception handling carries significant overhead and so
doing it within a heavy-iterated loop like this import would p
Hi Tony
-- i usually
INSERT the record
--then check for PK VIOLATION e.g.
IF PK_VIOLATION then UPDATE record
is FoxPro still supported???
Martin Gainty
__
Verzicht und Vertraulichkeitanmerkung/Note de déni et de confidentialité
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On 11 Sep 2010, at 12:09, Alban Hertroys wrote:
> It would be great to be able to use a WITH statement to lock down a data set
> for multiple subsequent operations, something like:
>
> WITH nonduplicates (key, data1, data2, etc) AS (
> SELECT key, data1, data2, etc FROM staging_table
>
On 11 Sep 2010, at 6:10, Scott Bailey wrote:
> On 09/10/2010 08:07 PM, t...@exquisiteimages.com wrote:
>> I have a situation where I receive a file with transactions that have a
>> unique key from a vendor. These transactions should only be imported into
>> my system once, but the vendor system wi
On 09/10/10 8:07 PM, t...@exquisiteimages.com wrote:
Coming from 25 years of programming applications based on dBASE and FoxPro
tables, I have a question about how to deal with a programming task.
I have a situation where I receive a file with transactions that have a
unique key from a vendor.
On 09/10/2010 08:07 PM, t...@exquisiteimages.com wrote:
I have a situation where I receive a file with transactions that have a
unique key from a vendor. These transactions should only be imported into
my system once, but the vendor system will occasionally resend a
transaction by mistake.
The w
