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Date format YYYY/MM/DD to DD/MM/YYYY

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# 1  
Old 03-11-2017
Date format YYYY/MM/DD to DD/MM/YYYY
I am getting output of YYYY-MM-DD and want to change this to DD/MM/YYYY.
When am running the query in 'Todd'
Code:
to_date(column_name,'DD/MM/YYYY')

am getting the required o/p of DD/MM/YYYY, But when am executing the same query(Netezza) in linux server(bash) am getting the output of YYYY-MM-DD

file
Code:
SAP|2017-03-23
REEF-U|2017-03-24
FEB|2016-06-12
BEN-JEF|2017-09-23
TUJJI|2017-03-30

As of now am using multiple command to do this, is there a way to do this in single command?
Code:
awk -F"|" '{print $2}' file | awk -F"-" '{print $3"/"$2"/"$1}' >file2
awk -F"|" '{print $1}' file3 ; paste file3 file2

Required output:
Code:
SAP|23/03/2017
REEF-U|24/03/2017
FEB|12/06/2016
BEN-JEF|23/09/2017
TUJJI|30/03/2017

# 2  
Old 03-11-2017
How about
Code:
awk  'BEGIN {FS = OFS = "|"} {split ($2, T, "-"); print $1, T[3] "/" T[2] "/" T[1]}' file
SAP|23/03/2017
REEF-U|24/03/2017
FEB|12/06/2016
BEN-JEF|23/09/2017
TUJJI|30/03/2017

This User Gave Thanks to RudiC For This Post:
Roozo
# 3  
Old 03-11-2017
A Perl alternative:

Code:
perl -pe 's/(\d{4})-(\d{2})-(\d{2})/$3\/$2\/$1/' roozo.file


Output:
Code:
SAP|23/03/2017
REEF-U|24/03/2017
FEB|12/06/2016
BEN-JEF|23/09/2017
TUJJI|30/03/2017

This User Gave Thanks to Aia For This Post:
Roozo
# 4  
Old 03-11-2017
Quote:
Originally Posted by Roozo
I am getting output of YYYY-MM-DD and want to change this to DD/MM/YYYY.
When am running the query in 'Todd'
Code:
to_date(column_name,'DD/MM/YYYY')

am getting the required o/p of DD/MM/YYYY, But when am executing the same query(Netezza) in linux server(bash) am getting the output of YYYY-MM-DD
...
...
While you can always fix the date format using a scripting language after you get it out of the database, you may want to explore the possibility of getting it in the correct format from the database itself.

- If your database column "column_name" is of datatype "DATE", then try the "to_char" function:

Code:
to_char(column_name,'DD/MM/YYYY')

- If your database column "column_name" is of datatype "TIMESTAMP", then try something like this:

Code:
to_char(date(column_name),'DD/MM/YYYY')

This User Gave Thanks to durden_tyler For This Post:
Roozo
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