SQL logic or loops to find this

Hello

(Frank: modified requirements of else query I posted yesterday why you gave the right answer)

Here are the SQL statements...

Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.6,to_date('08-08-2008 12:40:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.5,to_date('08-08-2008 15:44:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.4,to_date('09-08-2008 10:58:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.8,to_date('10-08-2008 07:19:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.4,to_date('11-08-2008 06:55:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.2,to_date('12-08-2008 08:12:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.4,to_date('15-08-2008 18:11:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.2,to_date('31-05-2009 13:25:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.4,to_date('01-06-2009 08:27:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.5,to_date('02-06-2009 07:55:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.7,to_date('11-02-2010 17:48:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.5,to_date('23-05-2010 00:20:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.3,to_date('08-06-2010 12:59:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',0.7,to_date('10-08-2010 19:23:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.4,to_date('04-10-2010 14:16:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.7,to_date('09-02-2011 22:53:00','DD-MM-YYYY HH24:MI:SS'));
Insert into X (MEDICAL_RECORD_NUMBER,VAL,RESULT_DATE) values ('1076789',1.8,to_date('29-09-2011 19:37:00','DD-MM-YYYY HH24:MI:SS'));

Output:

MNR DATE1 DATE 2

1076789 08/08/2008 15:44 08/15/2008 18:11

1076789 31/05/2009 13:25

Process.

(1) I need to go through all the records in ascending order.

(2) find the first record where the difference between the values is > = difference of 0.3 and the date is < = 48 hours

(3) in the above: 08/08/2008 15:44 has an increase of 0.3 compared to the record of 4.

(4) so keep the date from point 3.

(5) now must find the peak value within 14 days from 08/08/2008 15:44

(6) as soon as we have the date starting from which we have the peak value, (which is 10-08-2008 07:19 for value 1.8)... . I need to move through the records following until I find 3 consecutive records that can be found on * DIFFERENT * days to have all 3 records

a drop of > = 0.3 between 1.8 and get the 3rd date

(similar to the thread from yesterday: user7431648 )

If there are 2 folders that are located on the same day, you must consider the 1st date of registration (minimum) that meets the criterion of 0.3.
Ex: here, in the scenario above, after we had a peak at 1.8 on 08/10/2008-07:19, we have 3 files consecutively

2008-11-08 06:55

2008-12-08 08:12

2008-08-15 18:11

for which the difference compared to the peak is > = 0.3.

Then choose the 3rd date or 2 Date in the output... 2008-08-15 18:11

(7) now repeat the whole process of items 1-6 after 15/08/2008 18:11 (below)

(8) so that, the next is 31/05/2009 13:25

(9) the peak within 14 days from 31/05/2009 13:25 is on 2009-02-06 07:55 for which there is an increase of 0.3.

(10) after 2009-02-06 07:55 there is no drop of > = 0.3 to 3 consecutive records.

(11) so there is no Date 2 in the output for it.

Let me know if any part is not clear.

Thank you

REDA

1076789

Hello

I found my mistake.  In the subquery got_dates_1_2 at the join condition for the table l, there is a scalar subquery that is corellated to e table.  It must be put into correlation by result_date and medical_record_number, but I left out the medical_record_number above.  I added 1 line (line 33, marked "* NEW * below"), and now it's the production of correct results.

WITH got_day_vals AS

(

SELECT TRUNC (result_date) AS trunc_result_date

MIN (result_date) DUNGEON (DENSE_RANK FIRST ORDER BY val)

AS min_result_date

MAX (MIN (val)))

PARTITION BY medical_record_number

ORDER BY TRUNC (result_date)

LINES BETWEEN 2 PRIOR

AND CURRENT ROW

) AS high_val_3_day

medical_record_number

X

GROUP OF TRUNC (result_date)

medical_record_number

)

got_dates_1_2 AS

(

SELECT e.medical_record_number

e.result_date AS date1

l.min_result_date AS date2

ROW_NUMBER () TO)

PARTITION BY e.medical_record_number

ORDER BY e.result_date

l.min_result_date

) AS r_num

X e

JOIN x p WE p.val =)

SELECT MAX (val)

X

WHERE the result_date BETWEEN e.result_date

AND e.result_date + 14

AND medical_record_number = e.medical_record_number-* NEW *.

)

AND p.result_date BETWEEN e.result_date

AND e.result_date + 14

AND p.medical_record_number = e.medical_record_number

LEFT JOIN got_day_vals l I l.high_val_3_day<= p.val="" -="">

AND l.min_result_date > p.result_date

AND l.high_val_3_day<= greatest="" (="" p.val="" -="">

, p.val / 2

)

AND l.medical_record_number = e.medical_record_number

WHEN THERE IS)

SELECT 1

X

WHERE (val > = e.val +.3)

AND result_date BETWEEN e.result_date

AND e.result_date + 2

AND medical_record_number = e.medical_record_number

)

OR (val > = e.val * 1.5)

AND result_date BETWEEN e.result_date

AND e.result_date + 7

AND medical_record_number = e.medical_record_number

)

)

)

got_next_r_num AS

(

SELECT d.

,       (

SELECT MIN (r_num)

OF got_dates_1_2

WHERE medical_record_number = d.medical_record_number

AND date1 > = d.date2

) AS next_r_num

OF got_dates_1_2 d

)

SELECT medical_record_number, date1, date2

OF got_next_r_num

START WITH r_num = 1

CONNECT BY medical_record_number = PRIOR medical_record_number

AND r_num = PRIOR next_r_num

ORDER BY medical_record_number

date1

;

Tags: Database

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