[AccessD] Migrating date fields to SQL Server

Arthur Fuller fuller.artful at gmail.com
Mon Jun 19 04:33:49 CDT 2017


The Australian software firm SSW provides a tool designed for this type of
migration, and takes care of the various issues involving dates. It's free.

Arthur

On Mon, Jun 19, 2017 at 2:19 AM, Gustav Brock <gustav at cactus.dk> wrote:

> Hi Charlotte
>
> You must be thinking of the numeric zero value which for VBA equals
> 1899-12-30 while it for T-SQL is 1900-01-01.
>
> However, you should only in rare cases deal with the numeric value of a
> date/time. Date and time should always be handled like dates, not strings,
> not numbers, no exceptions really.
>
> The ODBC drivers know all about this. The current issue you may experience
> is, that the old ODBC drivers don't convert DateTime2 of T-SQL to DateTime
> but to Text. So, either use DateTime in your SQL tables or use the newer
> SQL Native drivers of version 11 or later. And never use Date, Time, or
> SmallDateTime as data type in your SQL Server fields.
>
> /gustav
>
> -----Oprindelig meddelelse-----
> Fra: AccessD [mailto:accessd-bounces at databaseadvisors.com] På vegne af
> Charlotte Foust
> Sendt: 19. juni 2017 06:18
> Til: Access Developers discussion and problem <
> accessd at databaseadvisors.com>
> Emne: [AccessD] Migrating date fields to SQL Server
>
> Nearly a decade ago when I was working in .Net and SQL, I knew how to
> migrate Access tables into SQL Server and handle the date field issues that
> arose.  I've forgotten it all, and I need to find a resource to refresh my
> memory and  help me do what needs doing.  I know it has to do with the
> differences between the dates in Access and SQL Server but I can't remember
> why it should be a problem moving the tables from Access with a shorter
> date/time to SQL with a longer one.  And I haven't a clue as to the
> mechanics of getting around the issue, aside from writing scripts, which I
> really would like to avoid.
>
> Can anyone shed some light on this for me?
>
>
> Charlotte Foust
> (916) 206-4336
>
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-- 
Arthur


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