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I have got table like below after sorting in SQL:
M_ID
-----
2013/01
2013/02
2013/03
2013/04
2013/05
2013/06
Now I want to assign each entries a particular value like below
M_ID Days
--------------
2013/01 20
2013/02 30
2013/03 40
2013/04 50
2013/05 60
2013/06 70
So, can you please let me know how to do that in SQL Query?
Do you mean something like this (presuming sql-server)?
SELECT M_ID,
Days = (ROW_NUMBER()OVER(ORDER BY M_ID) + 1) * 10
FROM dbo.TableName
Demo
Related
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I am trying to sum the frequency of the words cumulatively in PostgreSQL
Here's my table (example)
I need sum accumulative frequency for same words, for example the expected results is:
resize (100 + 85) = 185
trabajar (75 + 73) = 148
partir (64) = 64
How can I make the query?
you need to use GROUP BY :
SELECT
word
, SUM(frecuency)
FROM tablename
GROUP BY word
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SELECT *
FROM GNGRB.CLAIM
WHERE ZOCRECDT IS NOT NULL;
SLNO Column select only 5 digit row
Please use length function of oracle. For e.g:
select *
from table a
where length(a.column_name) = 5
In your case
SELECT *
FROM GNGRB.CLAIM
WHERE ZOCRECDT IS NOT NULL
and LENGTH(SLNO) = 5
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Input:
A
-----
5000
4000
-3000
-2000
Output:
A FEEDBACK
----- --------
9000 POSITIVE
-5000 NEGATIVE
THEY HAVE GIVEN THE INPUT. I NEED TO WRITE A CODE TO BRING THE OUTPUT.
I think this query should do:
select sum(a) as a, 'POSITIVE' as feedback from t where a >= 0
union
select sum(a) as a, 'NEGATIVE' as feedback from t where a < 0
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Need a query to check ids with multiple revisionnums
id reviionnum
1 0
2 0
1 1
3 1
2 1
The query should result
id revisionnum
3 1
Please help
If you want ids with only one revision number, you can use aggregation:
select id, min(revissionnum)
from t
group by id
having count(*) = 1;
The min() is the value if there is only one row.
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how can I filter in Django to get a data row one times if the same value in on column?
columns:
a | b
x | y
a | y
y | s
Want one data row set with y (b) and one data row set with s (b).
If not clear what I mean I edit with SQL script...
EDIT: SELECT DISTINCT b FROM table;
Sorry to be blind...
http://docs.djangoproject.com/en/dev/ref/models/querysets/
Have a nice day.