How to write this query in the hierarchy

Hi gurus,

Really need your help on this query. Thank you very much in advance.

SELECT
  t1.key as root_key ,
(SELECT
      t2.unit_id AS unit_id 
      level-1 AS level ,
      t2.name,
      t2.creator
    FROM
      tab t2
      START WITH t2.unit_id       =   t1.unit_id            -----check each node as root
      CONNECT BY prior t2.unit_id = t2.parent_unit_id

  )
   t1.name as parent_unit_name
FROM
  tab t1

I'll write a query of the hierarchy as above, and that EACH line (node, totally more than 10200) is checked as root node to see how many sheets are accessible for her... It must be implemented in a single query.

I know inline query should NOT return multiple rows or multiple columns, but the inline elements are necessary and can certainly be made in a correct solution.

(env):

Database Oracle 12 c Enterprise Edition Release 12.1.0.2.0 - 64 bit Production

PL/SQL Release 12.1.0.2.0

)

Test data:

select 1 as unit_id, null as parent_organization_unit_id, 'U1' as name from dual
union all
select 2, 1, 'U2' FROM DUAL
UNION ALL
SELECT 3, NULL, 'U3' FROM DUAL
UNION ALL
SELECT 4, 3, 'U4' FROM DUAL
UNION ALL
SELECT 5, 2, 'U5' FROM DUAL
UNION ALL
SELECT 6, 5, 'U6' FROM DUAL
UNION ALL
SELECT 7, 6, 'U7' FROM DUAL
UNION ALL
SELECT 8, 5, 'U8' FROM DUAL
UNION ALL
SELECT 9, 5, 'U9' FROM DUAL;

Final result should be like this

key unit_id,    level,   name, parent_name
1    1    0    u1      u1
1    2    1    u2       u1
1    5    2     u5      u1
1    6    3     u6      u1
1    7    4    u7       u1
1    8    3    u8       u1
1    9    3     u9      u1
2    2    0     u2       u2
2    5    1      u5       u2
2    6    2     u6       u2
2    7    3      u7      u2
2    8    2      u8       u2
2    9    2      u9       u2

Don't know how get you your output, it does not match your data...

with tab as)

Select 1 as unit_id, null as parent_organization_unit_id 'U1' as the name of double

Union of all the

Select 2, 1, 'U2' FROM DUAL

UNION ALL

SELECT 3, NULL, 'U3' FROM DUAL

UNION ALL

SELECT 4, 3, 'U4' FROM DUAL

UNION ALL

SELECT 5, 2, 'U5' OF THE DOUBLE

UNION ALL

SELECT 6, 5, 'U6' OF THE DOUBLE

UNION ALL

SELECT 7, 6, "U7" OF THE DOUBLE

UNION ALL

SELECT 8, 5, 'U8' FROM DUAL

UNION ALL

9. SELECT, 5, 'U9' FROM DUAL

)

Select dense_rank() key (order by connect_by_root unit_id), unit_id, level - 1 as 'LEVEL', connect_by_root name root_parent_name

t tab

Start with parent_organization_unit_id is null

Connect prior unit_id = parent_organization_unit_id

KEY	UNIT_ID	LEVEL	ROOT_PARENT_NAME
1	1	0	"U1".
1	2	1	"U1".
1	5	2	"U1".
1	6	3	"U1".
1	7	4	"U1".
1	8	3	"U1".
1	9	3	"U1".
2	3	0	"U3".
2	4	1	"U3".

Tags: Database

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No idea how to write this query

Hi, My Data is as below

DocNum doc_date type of amount
1154 15 November 11 232501.5 invoice
200206 4 November 11 - 243672.64 credit memo
Note flow 111 5 November 555.22 11

Output must be

DocNum doc_date amount Type AmountDR AmountCR
1154 232501.5 15 November 11 Bill 232501.5
Note credit 200206 4 November 11 - 243672.64 - 243672.64
Note flow 111 5 November 555.22 11 555.22

If the amount is > 0, then it must be displayed in the value of the amount to be AmountDR
If amount < 0 then it must be displayed in the value of the sum amount CR

Can help how to write this query

with sample_table as (
                      select 1154 Docnum,date '2011-11-15' doc_date,232501.5 Amount,'Invoice' type from dual union all
                      select 200206,date '2011-11-04',-243672.64,'Credit Memo' from dual union all
                      select 111,date '2011-11-05',555.22,'Debit Memo' from dual
                     )
select  Docnum,
        doc_date,
        Amount,
        type,
        case
          when Amount >= 0 then Amount
        end AmountDR,
        case
          when Amount < 0 then Amount
        end AmountCR
  from  sample_table
/

    DOCNUM DOC_DATE      AMOUNT TYPE          AMOUNTDR   AMOUNTCR
---------- --------- ---------- ----------- ---------- ----------
      1154 15-NOV-11   232501.5 Invoice       232501.5
    200206 04-NOV-11 -243672.64 Credit Memo            -243672.64
       111 05-NOV-11     555.22 Debit Memo      555.22

SQL>

SY.

How to write a query for the data exchange between two columns?
How to write a query for the data exchange between two columns?

I tried a request, does NOT work.
```
update tmp t1 set t1.m1=t1.m2 and t1.m2=(select t2.m1 from tmp t2 where t2.student_id = t1.student_id)
```
Thank you.

Published by: user533361 on October 23, 2009 14:04
Just plain and simple:
```
update tmp t1
 set t1.m1=t1.m2,
     t1.m2=t1.m1
/
```
SY.

How to write this query?

Hi people,
I need to get a query in which a set of records, I get ONLY those which previous registry has a field with a value to this topic. Other values, the field can contain are not necessary.
I know that sounds easy but... I can't get it.
So, for Oracle 10 g 2... Here's my query:
SELECT a.person_id, a.person_status, a.message_id, a.order_id
OF t_HR one
WHERE a.person_status = "rejected".
AND a.id >
(SELECT max (b.id)
OF t_HR b
WHERE b.person_id = a.person_id
and b.order_id = a.order_id
AND b.person_status! "revised =".
B.ID AND < a.id)
ORDER BY desc a.id
Let me explain:
1 - HR table is a table of people. These people has serveral STATUS.
2 - ID is a sequential (each www.voyages-sncf.com has a different identification number).
3 - the application must get THAT all people "rejected".
4. - However, (subquery) I need ONLY those that previous register (the second register) holds a status of "OK". If the person holds a "revised" status he's not, he should be the next register (the third)
5.-L' ORDER ID DESC, so is the first register must have a STATUS = "rejected" and the second a 'OK '. IF the second register = "revised", then the third register must be 'OK '. And I need this query.
HOW DO?
My problem: the subquery gives you previous register of the same guy, but... it does not give you the value of the State, I need, which is 'OK '.
I tried to add to the subquery...
SELECT max (b.id)
OF mod_human_resource b
WHERE b.person_id = a.person_id
and b.order_id = a.order_id
AND b.person_status = 'OK '.
AND b.id < a.id
... but if I have 5 records of that person, the first is "rejected", the second is "accepted", the third is 'new' and the fourth is 'OK'... the subquery gives you the 4th register and which is not correct for me, it must be only the second one (prior to the first State registry).
I need to be a query, because I need to use it on a MERGER for a DWH.
If there is another way (function, or even a procedure) to make the MERGER rather than with a request, which would be ok too. I am poor DWH knowledge.
Thanks in advance.

Hello

So, you need to know if a line is the 'first' line, and you should also know what is the 'next' status, (even the 'first' and 'next' are already defined). This sounds like a job for analytical functions. ROW_NUMBER can tell you if a line is first or not, and LEAD can tell you what a value on the next row.

Since you post CREATE TABLE and INSERT statements for your own table, I'll use the table scott.emp to illustrate.

Consider these data from scott.emp:

SELECT DeptNo

ename

work

FROM scott.emp

ORDER BY deptno

ename DESC

;

Output:

DEPTNO ENAME JOB

---------- ---------- ---------

10 MILLER CLERK

PRESIDENT OF KING 10

MANAGER 10 CLARK

20 SMITH CLERK

ANALYST SCOTT 20

20 JONES MANAGER

20 FORD ANALYST

20 ADAMS CLERK

30 WARD SALESMAN

SELLER OF 30 TURNER

30 MARTIN SALESMAN

30 JAMES CLERK

MANAGER BLAKE 30

30 ALLEN SALESMAN

Now, let's say we want only who know the departments where the forefront (in order descending ename) a job = 'CLERK', and the following line (also in descending by ename order) = "ANALYST" job, and we want to know the ename of the first row. In other words, the correct output is:

DEPTNO ENAME

---------- ----------

20 SMITH

Note that deptno = 10 is not included, even if the first task is to "CLERK." that was because the second job in deptno = 10 is the "PRESIDENT", not "ANALYST."

Here's a way to get these results:

WITH got_analytics AS

(

SELECT ename, deptno, job

ROW_NUMBER () OVER (PARTITION BY deptno

ORDER BY ename DESC

) AS r_num

LEAD (employment) OVER (PARTITION BY deptno

ORDER BY ename DESC

) AS next_job

FROM scott.emp

)

SELECT deptno, ename

OF got_analytics

WHERE r_num = 1

AND job = 'CLERK '.

AND next_job = 'ANALYST '.

;

I hope that answers your question.

If this isn't the case, then, as Dan (and the FAQ forum) said, post CREATE TABLE and INSERT statements for some sample data and the exact results you want from these data.

Post your query, based on the one I have posted more top and ponit out where he gets results.

Always say what version of Oracle you are using (for example, 11.2.0.2.0).

See the FAQ forum: https://forums.oracle.com/message/9362002#9362002

How to write a query for the given scenario?
Hi all

I have two tables EMP, DEPT with data below.
EMP TABLE: -.
SAL DEPID EMPLOYMENT ENAME EID
111 RAM 1500 10 MANAGER
222 SAM ASST MANAGER 2000 20
KALA 333 2500 10 REGISTRAR
444. BIMA 20 3000 MANAGER
CHALA 555 MANAGER 3500 30
RANI 666 ASST MANAGER 4000 10
777 KAMAL MANAGER 2400 10

DEPT TABLE: -.

DEPID DNAME
XX 10
AA 20
30 ZZ

Q1: I want the sum of the salary of each Department and for the particular job. Here, in each Department manager, Assistant Manager, clerk positions are there.
I want to display the result as below...
10-20-30 JOBS
--------------------------------------------------------------------------
MANAGER OF 3900 3000 3500
ASST MANAGER 4000 2000 NULL
THE CLERK 2500 NULL NULL

Please tell me how to write a sql query?

Thank you
SAI
```
SQL> SELECT job,
  2         MAX(DECODE(deptno, 10, sum_sal)) "10",
  3         MAX(DECODE(deptno, 20, sum_sal)) "20",
  4         MAX(DECODE(deptno, 30, sum_sal)) "30"
  5  FROM (SELECT deptno, job, SUM(sal) sum_sal FROM emp GROUP BY deptno, job)
  6   GROUP BY job;

JOB               10         20         30
--------- ---------- ---------- ----------
CLERK           1300       1900        950
SALESMAN                              5600
PRESIDENT       5000
MANAGER         2450       2975       2850
ANALYST                    6000

SQL> 
```

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IF ((drapeau = ' n ') OR (flag = 'F') OR (FLAG =' WAS))
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as
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---

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How to write a query for the following scenario

Hi I have a table as follows which have values of column as below

column1     column2     column3     column4     column5     column6     column7     column8
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Here, in case I get a first and third ranks.

(Column1, Column2, Column3) is the primary key for the table

Help, please

Hena

with data as
(
select 10000 as column1,     10 as column2,     1 as column3,     7 as column4,     15 as column5,     10 as column6,     9 as column7,     0 as column8 from dual union all
select 10001,     11,     2,     7,     19,     0,     8,     1 from dual union all
select 10002,     12,     3,     9,     8,     7,     15,     0 from dual
)
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and   15 in (column4, column5, column6, column7, column8)
/
COLUMN1                COLUMN2                COLUMN3                COLUMN4                COLUMN5                COLUMN6                COLUMN7                COLUMN8
---------------------- ---------------------- ---------------------- ---------------------- ---------------------- ---------------------- ---------------------- ----------------------
10000                  10                     1                      7                      15                     10                     9                      0
10002                  12                     3                      9                      8                      7                      15                     0

Edited because requirement changed while displaying the solution

Published by: Cyn on October 30, 2009 15:27

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I know there is a value in the oracle database, please show me how to find this value in the oracle database to find out the table that contains this value.

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