Separate values in an excel file and tracing
Hello
I use excel reading table vi to read values from an excel file. I see the data in the output.
I wanted to take the first two columns and multiply each value with 20 m and then it draw in a XY Chart.
I enclose the files below.
Thanks in advance
Hi gerard
That's what I did to get the result. Maybe not the conventional method, but it is very well done for me. Thanks for looking into it.
Simon
PS
the text file must be in download format.coudnt LVM it like that
Tags: NI Software
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Hi people,
This year was difficult because it does not clearly justify what I want to achieve. The main reason for me to try this approach is to reduce the time of the performance. I have my program works very well, but since it accesses a view for each student, slows down the performance.
Purpose of this report: Show all Dates of examination for students, but only to display the results pre and review of the overall assessment on the first line for students.
Table scripts and INSERT statements:
Desired output:create table STUDENT_TB(student_id varchar2(4), last_name varchar2(20), first_name varchar2(20), evaluation_date date); create table EXAM_TB(student_id varchar2(4), exam_date date, result number); create table EVALUATION_TB(student_id varchar2(4), eval_flag varchar2(1), sampling_date date); insert into STUDENT_TB values('1001', 'Poppins', 'Mary', to_date('27-SEP-2012', 'DD-MON-YYYY')); insert into EXAM_TB values('1001', to_date('20-APR-2011', 'DD-MON-YYYY'), 30); insert into EXAM_TB values('1001', to_date('20-MAY-2012', 'DD-MON-YYYY'), 39); insert into EXAM_TB values('1001', to_date('10-JUL-2012', 'DD-MON-YYYY'), 34); insert into EXAM_TB values('1001', to_date('10-SEP-2012', 'DD-MON-YYYY'), 39); insert into EXAM_TB values('1001', to_date('01-DEC-2012', 'DD-MON-YYYY'), 82); insert into evaluation_tb values('1001', null, to_date('22-APR-2011', 'DD-MON-YYYY')); insert into evaluation_tb values('1001', 'N', to_date('20-JUL-2012', 'DD-MON-YYYY')); insert into EVALUATION_TB values('1001', 'Y', to_date('10-DEC-2012', 'DD-MON-YYYY'));
Business rules:SID Last Name First Name Evaluation Date Exam Date Results Order Pre Evaluation Overall Evaluation Accept? =============================================================================================================================== 1001 Poppins Mary 27-SEP-12 20-APR-11 30 1 N Y Y 1001 Poppins Mary 27-SEP-12 20-MAY-12 39 2 1001 Poppins Mary 27-SEP-12 10-JUL-12 34 3 1001 Poppins Mary 27-SEP-12 10-SEP-12 39 4 1001 Poppins Mary 27-SEP-12 01-DEC-12 82 5
The Pre, global assessment and accept it? fields are derived. The area of the pre assessment is derived from the EVALUATION_TBtable. Its the value of eval_flag where sampling_date < = evaluation_date.
In our example, the pre assessment should be an "n" while the overall assessment must be a 'Y '. The priority is Y-> N-> Null. The Accept flag is set to a 'Y' If a meadow at overall results past of N to Y or a NULL of Y value.
I have to return all the lines for the student that show the results of the reviews SQL is the following:
I need to join the view EVALUATION_TB. Simply join them of course would be a resulting vector product in 15 files that I don't want. I tried online (subqueries) but I failed again. Any help would be great!
I created the column ord_num to maybe help using only this folder to display the results of the assessment.
Thank you!select x.student_id, x.last_name, x.first_name, x.evaluation_date, m.exam_date, m.result, dense_rank() over (partition by x.student_id order by m.exam_date) ord_num from ( select s.student_id, s.last_name, s.first_name, s.evaluation_date from student_tb s ) x, exam_tb m where x.student_id = m.student_id (+); SID Last Name First Name Evaluation Date Exam Date Results Order =============================================================================== 1001 Poppins Mary 27-SEP-12 20-APR-11 30 1 1001 Poppins Mary 27-SEP-12 20-MAY-12 39 2 1001 Poppins Mary 27-SEP-12 10-JUL-12 34 3 1001 Poppins Mary 27-SEP-12 10-SEP-12 39 4 1001 Poppins Mary 27-SEP-12 01-DEC-12 82 5
Published by: Roxyrollers on March 14, 2013 11:37
Published by: Roxyrollers on March 14, 2013 11:38
Published by: Roxyrollers on March 14, 2013 12:27
Published by: Roxyrollers on March 15, 2013 13:43Hi Roxyrollers,
Please check your insert statements before posting. They have syntax errors.
The following query is to give you the desired result:
with pre_eval as ( select e.student_id , max(e.eval_flag) keep(dense_rank last order by e.sampling_date) eval_flag from evaluation_tb e join student_tb s on e.student_id=s.student_id and e.sampling_date <= s.evaluation_date group by e.student_id ) ,all_eval as ( select e.student_id , max(e.eval_flag) keep(dense_rank last order by e.sampling_date) eval_flag from evaluation_tb e join student_tb s on e.student_id=s.student_id group by e.student_id ) , data_with_rank AS ( select s.student_id, s.last_name, s.first_name, s.evaluation_date , m.exam_date, m.result , dense_rank() over (partition by s.student_id order by m.exam_date) ord_num from student_tb s left outer join exam_tb m on (s.student_id = m.student_id) ) select s.student_id, s.last_name, s.first_name, s.evaluation_date , s.exam_date, s.result , e.eval_flag as pre_eval , a.eval_flag as overall_eval , case when a.eval_flag='Y' and e.eval_flag!='Y' then 'Y' end accept from data_with_rank s left outer join pre_eval e on (s.student_id = e.student_id and s.ord_num=1) left outer join all_eval a on (s.student_id = a.student_id and s.ord_num=1) order by s.student_id, s.exam_date; STUDENT_ID LAST_NAME FIRST_NAME EVALUATION_DATE EXAM_DATE RESULT PRE_EVAL OVERALL_EVAL ACCEPT ---------- -------------------- -------------------- --------------- --------- ---------- -------- ------------ ------ 1001 Poppins Mary 27-SEP-12 20-APR-11 30 N Y Y 1001 Poppins Mary 27-SEP-12 20-MAY-12 39 1001 Poppins Mary 27-SEP-12 10-JUL-12 34 1001 Poppins Mary 27-SEP-12 10-SEP-12 39 1001 Poppins Mary 27-SEP-12 01-DEC-12 82
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Kind regards.
AlPublished by: Alberto Faenza on 14 March 2013 20:29
ORDER BY added, deleted ord_num output -
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Thank you
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^_^
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Thank youOk.
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