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Gregorian Date to Julian date in DB2

 
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yadav2005
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Joined: 10 Jan 2005
Posts: 348
Topics: 144
PostPosted: Wed Mar 07, 2007 2:21 am    Post subject: Gregorian Date to Julian date in DB2 Reply with quote
Hai,

I want to convert DB2 date which is present in a table into it's equivalent Julian Date using a query and i want to display it.
INPUT
Code:

2007-03-07

OUTPUT EXPECTED
Code:

07066
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bauer
Intermediate


Joined: 10 Oct 2003
Posts: 315
Topics: 49
Location: Germany
PostPosted: Wed Mar 07, 2007 5:03 am    Post subject: Reply with quote
yadav2005,

try this:
Code:

    SELECT   JULIAN_DAY('2007-03-07')
        FROM SYSIBM.SYSDUMMY1;
---------+---------+---------+---------+---------+---------+----

---------+---------+---------+---------+---------+---------+----
    2454167
DSNE610I NUMBER OF ROWS DISPLAYED IS 1
DSNE616I STATEMENT EXECUTION WAS SUCCESSFUL, SQLCODE IS 100


The base day of this DB2 function is 1. January 4712 BC.

Your base day seems to be a different one. Julian date depends always on the base day.

regards
bauer
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kolusu
Site Admin
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Joined: 26 Nov 2002
Posts: 12375
Topics: 75
Location: San Jose
PostPosted: Wed Mar 07, 2007 5:51 am    Post subject: Reply with quote
yadav2005,

You are looking for DAYOFYEAR function in sql. The DAYOFYEAR function returns an integer in the range of 1 to 366 that represents the day of the year where 1 is January 1.
Code:

SELECT DAYOFYEAR('2007-03-07')   
  FROM SYSIBM.SYSDUMMY1         
;                               


Kolusu
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yadav2005
Intermediate


Joined: 10 Jan 2005
Posts: 348
Topics: 144
PostPosted: Wed Mar 07, 2007 6:29 am    Post subject: Reply with quote
Thanks Kolusu and Bauer for your replies and it has helped me.
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