RE: Date conversion question

  • From: "Bobak, Mark" <Mark.Bobak@xxxxxxxxxxxxxxx>
  • To: "Harvinder Singh" <Harvinder.Singh@xxxxxxxxxxxxx>, "oracle-l" <oracle-l@xxxxxxxxxxxxx>
  • Date: Wed, 3 Oct 2007 16:57:13 -0400

Hmm...so:
0 = 1 jan 1900
1 = 1 jan 1900

??

Seems inconsistent to me.

Also, 2-digit year?  Is 02 supposed to map to 2002 or 1902??


I think you need to better understand your current dataset before attempting to 
map it into Oracle.

Once you have a clear understanding, including all the corner cases, the data 
conversion should be the trivial part.

-Mark

--
Mark J. Bobak
Senior Database Administrator, System & Product Technologies
ProQuest
789 E. Eisenhower, Parkway, P.O. Box 1346
Ann Arbor MI 48106-1346
+1.734.997.4059  or +1.800.521.0600 x 4059
mark.bobak@xxxxxxxxxxxxxxx
www.proquest.com
www.csa.com

ProQuest...Start here. 


-----Original Message-----
From: Harvinder Singh [mailto:Harvinder.Singh@xxxxxxxxxxxxx] 
Sent: Wednesday, October 03, 2007 4:47 PM
To: Bobak, Mark; oracle-l
Subject: RE: Date conversion question

Data is in format "yymmdd", for example
991123 (23 nov 1999)
421  (21 apr 1900)
60823 (23 aug 2006)
0 (1 jan 1900)
70930 (30 sep 2007)

Default Year 1900
Default Month 1 
Default Day 1

-----Original Message-----
From: Bobak, Mark [mailto:Mark.Bobak@xxxxxxxxxxxxxxx] 
Sent: Wednesday, October 03, 2007 4:37 PM
To: Harvinder Singh; oracle-l
Subject: RE: Date conversion question

Well, that depends on what those values actually represent...

Are they julian dates?  Days/minutes/seconds since some epoch?

How would you convert 991123?  What date does that represent?  How about 421?  
0?

Without knowing what the data means, we have no way to answer you....


-Mark

--
Mark J. Bobak
Senior Database Administrator, System & Product Technologies
ProQuest
789 E. Eisenhower, Parkway, P.O. Box 1346
Ann Arbor MI 48106-1346
+1.734.997.4059  or +1.800.521.0600 x 4059
mark.bobak@xxxxxxxxxxxxxxx
www.proquest.com
www.csa.com

ProQuest...Start here. 


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Harvinder Singh
Sent: Wednesday, October 03, 2007 3:44 PM
To: oracle-l
Subject: Date conversion question

Hi,

We have a flat file that contains a column and the values are stored as:
991123 
421 
60823 
0
70930

Now we are moving data from flat file to table and this column will be
inserted into Date dataype column, What is the way to insert into this
table and avoid "ORA-01821: date format not recognized" errors.

Thanks
--Harvinder

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