Selection of records based on the flag
Hi allI have records as follows:
Program name Effective_Date Valid_Flag
N 10/02/2012 ABCD
N 14/02/2012 ABCD
ABCD 20/02/2012 Y
N 01/03/2012 ABCD
N 10/03/2012 ABCD
ABCD 14/03/2012 Y
N 25/03/2012 ABCD
N 26/03/2012 ABCD
N 27/03/2012 ABCD
N 28/03/2012 ABCD
N 29/03/2012 ABCD
ABCD 25/04/2012 Y
I have to write a select statement to keep the first record and then only pull records when the Valid_Flag has changed. The result set should be as below.
Program name Effective_Date Valid_Flag
ABCD 10/02/2012 N - I kept the first record
20/02/2012 ABCD is - Valid_Flag chages to a Y for the first time and so on.
N 01/03/2012 ABCD
ABCD 14/03/2012 Y
N 25/03/2012 ABCD
ABCD 25/04/2012 Y
If there is no change in the flag, I don't have to draw from this record. Please help with suggestions of SQL. Thanks for your time and your help.
ssk1974 wrote:
Hi allI have records as follows:
Program name Effective_Date Valid_Flag
N 10/02/2012 ABCD
N 14/02/2012 ABCD
ABCD 20/02/2012 Y
N 01/03/2012 ABCD
N 10/03/2012 ABCD
ABCD 14/03/2012 Y
N 25/03/2012 ABCD
N 26/03/2012 ABCD
N 27/03/2012 ABCD
N 28/03/2012 ABCD
N 29/03/2012 ABCD
ABCD 25/04/2012 YI have to write a select statement to keep the first record and then only pull records when the Valid_Flag has changed. The result set should be as below.
Program name Effective_Date Valid_Flag
ABCD 10/02/2012 N - I kept the first record
20/02/2012 ABCD is - Valid_Flag chages to a Y for the first time and so on.
N 01/03/2012 ABCD
ABCD 14/03/2012 Y
N 25/03/2012 ABCD
ABCD 25/04/2012 YIf there is no change in the flag, I don't have to draw from this record. Please help with suggestions of SQL. Thanks for your time and your help.
In the future, it would be nice if you could provide the sample data as below, I created.
ME_XE?with data as
2 (
3 select 'ABCD' as col1, to_date('2/10/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
4 select 'ABCD' as col1, to_date('2/14/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
5 select 'ABCD' as col1, to_date('2/20/2012', 'mm/dd/yyyy') as col2, 'Y' as col3 from dual union all
6 select 'ABCD' as col1, to_date('3/01/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
7 select 'ABCD' as col1, to_date('3/10/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
8 select 'ABCD' as col1, to_date('3/14/2012', 'mm/dd/yyyy') as col2, 'Y' as col3 from dual union all
9 select 'ABCD' as col1, to_date('3/25/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
10 select 'ABCD' as col1, to_date('3/26/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
11 select 'ABCD' as col1, to_date('3/27/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
12 select 'ABCD' as col1, to_date('3/28/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
13 select 'ABCD' as col1, to_date('3/29/2012', 'mm/dd/yyyy') as col2, 'N' as col3 from dual union all
14 select 'ABCD' as col1, to_date('4/25/2012', 'mm/dd/yyyy') as col2, 'Y' as col3 from dual
15 )
16 select *
17 from
18 (
19 select
20 col1, col2, col3,
21 lag(col3) over (partition by col1 order by col2 asc) as last_flag
22 from data
23 )
24 where last_flag != col3
25 or last_flag is null;
COL1 COL2 COL LAS
------------ -------------------------- --- ---
ABCD 10-FEB-2012 12 00:00 N
ABCD 20-FEB-2012 12 00:00 Y N
ABCD 01-MAR-2012 12 00:00 N Y
ABCD 14-MAR-2012 12 00:00 Y N
ABCD 25-MAR-2012 12 00:00 N Y
ABCD 25-APR-2012 12 00:00 Y N
6 rows selected.
Elapsed: 00:00:00.08
ME_XE?
See you soon,.
Tags: Database
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AlPublished by: Alberto Faenza on 10 January 2013 15:21
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Thank youPO_NUMBER ROUTE_ID ROUTE_COST P1 R2 2300 P2 R8 4500
San
Published by: sandeep9 on April 9, 2011 04:22WITH t1 AS( SELECT 'P1' po_number,'R1' route_id,1900 route_cost FROM dual UNION ALL SELECT 'P1','R2',2300 FROM dual UNION ALL SELECT 'P1','R3',1100 FROM dual UNION ALL SELECT 'P2','R7',1200 FROM dual UNION ALL SELECT 'P2','R8',4500 FROM dual ) SELECT po_number, max(route_id) keep(dense_rank last order by route_cost) route_id, max(route_cost) route_cost FROM T1 GROUP BY po_number / PO RO ROUTE_COST -- -- ---------- P1 R2 2300 P2 R8 4500 SQL>
SY.
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I'm processing the stored images and must choose an inspection based on attributes of the image as the name and the size (length in pixels).
Currently, I do all this in only one inspection, but since I'm inspecting several product families (differentiated my name of the image), and several sizes for each family, my inspection algorithm becomes very difficult to manage, so I would like to create a supervisor application that can determine which family of products and the size I'm looking, and then run the corresponding inspection and then do some data sharing and saving the image and loop back to the next image.
I played with the ability to select Inspection in VBAI, but since I'm not on the material or communications to select the inspection, I can't seem to find a viable solution, ideally, I would like to go through the step of configuration once, then jump to the state diagram for the treatment of the initial image (determine the product family and size) then go to 'Select Inspection' and run the corresponding inspection. This is where I'm stuck, IE., how to trigger the jump to select inspection in the state diagram? Some people I have consulted so far say: you can't do that! Anyone beg to differ?
If I can't access select Inspection of state diagram, then plan B is to use the LabView API and make the principal contractor in LabView, it is where I need to go?
Thank you
Eric
If you have the indicator Activate Product select enabled, select product State will run automatically after the State inspect goes to terminal completion. You can use a VI select LabVIEW Run in the State of product for your logic and move to the next round to load. With Vision Builder AI 2010, this path can be considered to be the real path to the inspection (inspection select dynamically run then) so you do not preconfigure a lookup table of inspections to run with values (it was the previous way of doing and it does not allow to dynamically load new inspections that weren't in the preconfigured table). Don't know how it works with your system, but using the LabVIEW API is an alternative that would give you better control and. You might even have a stage run a LV VI specify the control to use on an iteration in Prioduct selection state and inspection of logging of data/images to use later, but due to the opening and closing of the inspections overload new inspections may make having an inspection separate for logging of common data/images does not not your needs timing.
Hope this helps,
Brad
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Restrict the records based on the condition
Select * from EMP where deptno = 10;
O/P:
7782 CLARK MANAGER 7839 JUNE 9, 81 2450 10 7839 KING PRESIDENT NOVEMBER 17, 81 5000 10 7934 MILLER CLERK 7782 JANUARY 23, 82 1300 10 But I need 1 sheet with as described in condition.
If JOB = 'MANAGER' pick this record
If is not available, then choose JOB = 'PRESIDENT' record
If is not available, then choose JOB = ' ' record
A way
Select * from)
Select
EmpNo
ename
work
Manager
hire_date
salary
deptno
, rank() over (stopped in case of job when = "MANAGER", 1).
When job = 'PRESIDENT' then 2
When job = 'CLERK' then 3
4 something else
end
) rnk
from EMP
where deptno = 10
)
where rnk = 1
If there is more than a Manager for example, the result would be more than one line.
If you don't want that one line in these cases use row_number instead of rank.
In this case, you want to refine the order by clause probably.
Maybe you are looking for
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