How to use Group by in the analytic function

I need to write the Department that has the minimum wage in a row. She must be with analytical function, but I have problem in group by. I can't use min() without group by.

Select * from (min (sal) select min_salary, deptno, RANK() ON RN (ORDER BY sal CSA, CSA rownum) of the Group of emp by deptno) < 20 WHERE RN order by deptno;

Published by: senza on 6.11.2009 16:09

Hello

senza wrote:
I need to write the Department that has the minimum wage in a row. She must be with analytic function

Therefore with an analytic function? Looks like it is a duty.

The best way to get these results is with an aggregate, not analysis, function:

SELECT      MIN (deptno) KEEP (DENSE_RANK FIRST ORDER BY sal)     AS dept_with_lowest_sal
FROM      scott.emp
;

Note that you do not need a subquery.
This can be modififed if, for example, you want the lowest Department with the sal for each job.

But if your mission is to use an analytical function, that's what you have to do.

but I have problem in group by. I can't use min() without group by.

Of course, you can use MIN without GROUP BY. Almost all of the aggregate (including MIN) functions have analytical equivalents.
However, in this issue, you don't need to. The best analytical approach RANK only, not use MIN. If you ORDER BY sal, the lines with rank = 1 will have the minimum wage.

Select * from (min (sal) select min_salary, deptno, RANK() ON RN (ORDER BY sal CSA, CSA rownum) of the Group of emp by deptno) WHERE the RN< 20="" order="" by="">

Try to select plain old sal instead of MIN (sal) and get reid of the GROUP BY clause.

Add ROWNUM in the ORDER BY clause is to make RANK return the same result as ROW_NUMBER, every time that it is a tie for the sal, the output will still be distinct numbers. which line gets the lower number will be quite arbitrary, and not necessarily the same every time you run the query. For example, MARTIN and WARD have exactly the same salary, 1250. The query you posted would assign rn = 4 to one of them and rn = 5 to another. Who gets 4? It's a toss-up. It could be MARTIN the first time you try, and WARD the next. (In fact, in a very small table like scott.emp, it probably will be consistent, but always arbitrary.) If this is what you want, it would be clearer and simpler just to use ROW_NUMEBR instead of RANK.

Tags: Database

Similar Questions

2.1 EA Bug: AutoComplete group generates group by for the analytic function
Hello

When you use an analytic function in the sql text, sqldeveloper generates an automatic group by statement in the sql text.

Kind regards
Ingo
Auto to produce group by can be disabled:

In tools, preferences, Editor Code completion Insight you will find the option

"Autogenerate GROUP BY clause"

Concerning

Ernst

Query SQL using Group by and the aggregate function
Hi all

I need your help in writing a SQL query to achieve the following objectives.

Scenario:

I have a table with 3 columns. There are 3 possible values for col3 - success, failure, and error.
Now I need a query that can give me the summary figures for distinct values for col3 for each GROUP BY col1 and col2 values. When there is no values for col3, then it should return ZERO count.

The example data:

Col1 Col2 Col3

success of ABC 01
success of ABC 02
success of ABC 01
ABC 01 failure
ABC 01 error
ABC 02 failure
ABC 03 error
XYZ 07 failure

Power required:

C1 c2 s_cnt F_cnt E_cnt (title)
ABC 01 2 1 1
ABC 02 1 1 0
03 0 0 1 ABC
XYZ 07 0 1 0

s_cnt = number of success; F_cnt = number of failure; E_cnt = number of errors

Please note that the exit should have 5 columns col1, col2, group of (col1, col2) count (success), group of (col1, col2) count (failure), group of (col1, col2) count (error)
and wherever there are n ROWS, then it should return ZERO.

Thanks in advance.

Kind regards
Shiva
Hi, Shiva,

Welcome to the forum!

Here's one way:
```
SELECT       col1
,       col2
,       COUNT ( CASE
                      WHEN  col3 = 'success'
                THEN  1
                  END
             )          AS s_cnt
,       COUNT ( CASE
                      WHEN  col3 = 'failure'
                THEN  1
                  END
             )          AS f_cnt
,       COUNT ( CASE
                      WHEN  col3 = 'Error'
                THEN  1
                  END
             )          AS e_cnt
FROM       table_x
GROUP BY  col1
,            col2
;
```
Whenever you have a problem, post a small example data (CREATE TABLE and only relevant columns, INSERT statements). If you do not, then don't expect answers, you can get to test.
Also post the results desired from these data.

A question about the analytical function used with the GROUP BY clause in SHORT

Hi all

I created the following table named myenterprise

CITY       STOREID    MONTH_NAME TOTAL_SALES            
---------- ---------- ---------- ---------------------- 
paris      id1        January    1000                   
paris      id1        March      7000                   
paris      id1        April      2000                   
paris      id2        November   2000                   
paris      id3        January    5000                   
london     id4        Janaury    3000                   
london     id4        August     6000                   
london     id5        September  500                    
london     id5        November   1000

If I want to find which is the total sales by city? I'll run the following query

SELECT city, SUM(total_sales) AS TOTAL_SALES_PER_CITY
FROM myenterprise
GROUP BY city
ORDER BY city, TOTAL_SALES_PER_CITY;

that works very well and produces the expected result, i.e.

CITY       TOTAL_SALES_PER_CITY   
---------- ---------------------- 
london     10500                  
paris      17000

Now in one of my books SQL (Mastering Oracle SQL) I found another method by using the SUM, but this time as an analytic function. Here's what the method of the book suggests as an alternative to the problem:

SELECT city, 
       SUM(SUM(total_sales)) OVER (PARTITION BY city) AS TOTAL_SALES_PER_CITY
FROM myenterprise
GROUP BY city
ORDER BY city, TOTAL_SALES_PER_CITY;

I know that the analytic functions are executed after the GROUP BY clause has been transformed completely and Unlike regular aggregate functions, they return their result for each line belonging to the partitions specified in the partition clause (if there is a defined partition clause).

Now my problem is that I do not understand what we have to use two functions SUM? If we only use one only, i.e.

SELECT city, 
       SUM(total_sales) OVER (PARTITION BY city) AS TOTAL_SALES_PER_CITY
FROM myenterprise
GROUP BY city
ORDER BY city, TOTAL_SALES_PER_CITY;

This generates the following error:

Error starting at line 2 in command:
SELECT city, 
       SUM(total_sales) OVER (PARTITION BY city) AS TOTAL_SALES_PER_CITY
FROM myenterprise
GROUP BY city
ORDER BY city, TOTAL_SALES_PER_CITY
Error at Command Line:2 Column:11
Error report:
SQL Error: ORA-00979: not a GROUP BY expression
00979. 00000 -  "not a GROUP BY expression"
*Cause:    
*Action:

The error is generated for the line 2 column 11 which is, for the expression SUM (total_sales), well it's true that total_sales does not appear in the GROUP BY clause, but this should not be a problem, it has been used in an analytical function, so it is evaluated after the GROUP BY clause.

So here's my question:

Why use SUM (SUM (total_sales)) instead of SUM (total_sales)?

Thanks in advance!
:)

In case you are interested, that's my definition of the table:

DROP TABLE myenterprise;
CREATE TABLE myenterprise(
city VARCHAR2(10), 
storeid VARCHAR2(10),
month_name VARCHAR2(10),
total_sales NUMBER);

INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('paris', 'id1', 'January', 1000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('paris', 'id1', 'March', 7000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('paris', 'id1', 'April', 2000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('paris', 'id2', 'November', 2000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('paris', 'id3', 'January', 5000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('london', 'id4', 'Janaury', 3000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('london', 'id4', 'August', 6000);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('london', 'id5', 'September', 500);
INSERT INTO myenterprise(city, storeid, month_name, total_sales)
  VALUES ('london', 'id5', 'November', 1000);

Edited by: dariyoosh on April 9, 2009 04:51

It is clear that thet Analytics is reduntant here...
You can even use AVG or any analytic function...

SQL> SELECT city,
  2         avg(SUM(total_sales)) OVER (PARTITION BY city) AS TOTAL_SALES_PER_CITY
  3  FROM myenterprise
  4  GROUP BY city
  5  ORDER BY city, TOTAL_SALES_PER_CITY;

CITY       TOTAL_SALES_PER_CITY
---------- --------------------
london                    10500
paris                     17000

I got a license number for Adobe Master Collection from my school (Stevens Institute of Technology) and I can't understand how to use it to obtain the product. I created a user name and this is as far as I'm away.

I got a license number for Adobe Master Collection from my school (Stevens Institute of Technology) and I can't understand how to use it to obtain the product. I created a user name and this is as far as I'm away. I need to download the product and I may not know where to start.

Ask someone to your school... You have a Cloud redemption code, or a number of series CS6?

If cloud, http://helpx.adobe.com/x-productkb/global/redemption-code-help.html Redemption Code and

http://www.Adobe.com/products/creativecloud/FAQ.html

http://helpx.adobe.com/creative-cloud/help/install-apps.html to install or uninstall

http://forums.Adobe.com/community/download_install_setup/creative_cloud_faq

What is http://helpx.adobe.com/creative-cloud/help/creative-cloud-desktop.html

To start https://helpx.adobe.com/creative-cloud.html the Cloud

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SQL using the analytic function

Hi all
I want a help in the creation of my SQL query to retrieve the data described below:
I have a test of sample table containing data as below:
State ID Desc
MICHAEL 1 T1
ACTIVE 2 T2
T3 3 SUCCESS
DISABLE THE T4 4
The thing I want to do is to select all the lines with an ACTIVE status in the table but is there is no ACTIVE status, my request will give me the last line with MICHAEL status.
I can do this in a single request by using the analytical function for example, if yes can yiu help me on the request of unpacking.
Kind regards
Raluce

Something like that?

I had to fix it.

with testdata until)
Select 1 id, "T1" dsc "DISABLED" status of Union double all the
Select 2 id, 'T2' dsc, the status "ACTIVE" of all the double union
Select id 3, "T3" dsc, the status of 'SUCCESS' of all the double union
Select 4 id, "T4" dsc "DISABLED" status of double
)

Select
ID
dsc
status
of testdata
where
status =
-case when (select count (*) in testdata where status = 'ACTIVE') > 0
then 'ACTIVE '.
Another 'DISABLED '.
end
and)
ID in (select id from testdata where status = ' ACTIVE')
or
ID = (select max (id) in testdata when status = 'DISABLED')
)

STATE ID DSC

'2' 'T2' 'ACTIVE '.

Maybe it's more efficient

Select
ID
dsc
status
of testdata
where
status =
-case when (select count (*) in testdata where status = 'ACTIVE') > 0
then 'ACTIVE '.
Another 'DISABLED '.
end
and
ID =)
-case when (select count (*) in testdata where status = 'ACTIVE') > 0
then id
on the other
(select max (id) in testdata when status = 'DISABLED')
end
)

Post edited by: correction of chris227

Post edited by: chris227
extended

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Kind regards

Post edited by: Mohammad Irfan

Report Builder 6i do not recognize the analytical functions
Hi all, in an attempt to speed up a slow query, I applied the analytical function to it. I can save the query in the generator without any problem, however, I can't create data between this request and other links. After I have comment on the analytical function, data bindings can be made. My colleague says Report Builder 6i is too old so he can recognize only the ANSI SQL syntax. Since our server DB uses Oracle 10 g 2, is there a way for the generator of reports to identify and compile syntax of Oracle 10 g?

Thank you very much.
Hello

Your colleague is right. Even if the SQL query is executed by the DB server, reports must analyze the SQL query.

The SQL parser included in reports 6i-based 8.0.6

You can see this version using the report designer:

Menu: Help-> on Report Builder...

ORACLE Server Release 8.0.6.0.0

Concerning

by using the analytical function to get the right output.

Hello all;

I have the following date of sample below

create table temp_one
(
       id number(30),   
      placeid varchar2(400),
      issuedate  date,
      person varchar2(400),
      failures number(30),
      primary key(id)
);

insert into temp_one values (1, 'NY', to_date('03/04/2011', 'MM/DD/YYYY'), 'John', 3);

insert into temp_one values (2, 'NY', to_date('03/03/2011', 'MM/DD/YYYY'), 'Adam', 7);

insert into temp_one values (3, 'Mexico', to_date('03/04/2011', 'MM/DD/YYYY'), 'Wendy', 3);

insert into temp_one values (4, 'Mexico', to_date('03/14/2011', 'MM/DD/YYYY'), 'Gerry', 3);

insert into temp_one values (5, 'Mexico', to_date('03/15/2011', 'MM/DD/YYYY'), 'Zick', 9);

insert into temp_one values (6, 'London', to_date('03/16/2011', 'MM/DD/YYYY'), 'Mike', 8);

It's the output I want

placeid       issueperiod                               failures
NY              02/28/2011 - 03/06/2011          10
Mexico       02/28/2011 - 03/06/2011           3
Mexico        03/14/2011 - 03/20/2011          12
London        03/14/2011 - 03/20/2011          8

Any help is appreciated. I'll post my request as soon as I can think of a good logic for this...

Hello

user13328581 wrote:
... Please note, I'm still learning how to use analytical functions.

It doesn't matter; analytical functions will not help in this problem. The SUM aggregate function is all you need.
But what do you need to GROUP BY? What is the value of each row of the result will represent? A placeid? Yes, each line will represent only placedid, but it will be divided further. You want a separate line of the output for each placeid and every week, then you'll want of the week and GROUP BY placeid. You don't want to GROUP BY the raw issuedate; that would put on 3 March and 4 March in separate groups. And you don't want to GROUP BY failures; This would mean that a line with 3 failures could never be in the same group in line with 9 failures.

This becomes the output you posted from the sample data you posted:

SELECT       placeid
,             TO_CHAR ( TRUNC (issuedate, 'IW')
              , 'MM/DD/YYYY'
            ) || ' - '|| TO_CHAR ( TRUNC (issuedate, 'IW') + 6
                                         , 'MM/DD/YYY'
                           )     AS issueperiod
,       SUM (failures)                  AS sumfailures
FROM        temp_one
GROUP BY  placeid
,            TRUNC (issuedate, 'IW')
;

You can use a subquery to calculate TRUNC (issuedate, 'IW') once. The code would be of about as complicated, efficiency probably will not improve substantially and the results would be the same.

How to change group policy for the system restore will create restore point

I recently installed an SSD with windows 7, it's the default OS and hard drive on a system dual boot. I also have my old HHD with windows vista home premium. I had problems using the restore of the system with the SSD drive and read on a forum that the restoration of the system causes problems when it is used on an SSD. I have disable restoring the system to the SSD, but still he had checked to allow restoration on the vista disk and a 500 GB drive, I have use for storage.

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You receive an error message when creating a new system for Windows vista restore point?

Using the Group Policy Editor

If your edition of Windows Vista includes the Group Policy Editor (gpedit.msc) snap-in,

Follow these steps:

1. Click Start, type gpedit.msc and press ENTER
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http://support.Microsoft.com/kb/322756

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4. exit the registry editor.

Using the analytic function

Oracle 11g Release 2

I'm assuming that the best solution is the use of analytical functions.

create table test3
( part_type_id  varchar2(50)
,group_id      number
,part_desc_id  number
,part_cmt      varchar2(50)
)
/

insert into test3 values( 'ABC123',1,10,'comment1');
insert into test3 values( 'ABC123',1,10,'comment2');
insert into test3 values( 'ABC123',2,15,'comment1');
insert into test3 values( 'ABC123',2,15,'comment2');
insert into test3 values( 'EFG123',25,75,'comment3');
insert into test3 values( 'EFG123',25,75,'comment4');
insert into test3 values( 'EFG123',25,75,'comment5');
insert into test3 values( 'XYZ123',1,10,'comment6');
insert into test3 values( 'XYZ123',2,15,'comment7');
commit;

select * from test3;

PART_TYPE_ID           GROUP_ID PART_DESC_ID PART_CMT
-------------------- ---------- ------------ --------------------
ABC123                        1           10 comment1
ABC123                        1           10 comment2
ABC123                        2           15 comment1
ABC123                        2           15 comment2
EDG123                        25          75 comment3
EDG123                        25          75 comment4
EDG123                        25          75 comment5
XYZ123                        1           10 comment6
XYZ123                        2           15 comment7

9 rows selected.

Desired output:

PART_TYPE_ID           GROUP_ID PART_DESC_ID PART_CMT
-------------------- ---------- ------------ --------------------
ABC123                        1           10 comment1 
ABC123                        2           15 comment1
XYZ123                        1           10 comment1
XYZ123                        2           15 comment2

RULE: where one part_type_id has multiple (2 or more distinct combinations) of group_id/part_desc_id

NOTE: There are about 12 columns in the table, for brevity I only included 4.

Post edited by: orclrunner was updated desired output and rule

Hello

Here's one way:

WITH got_d_count AS

(

SELECT part_type_id, group_id, part_desc_id

MIN (part_cmt) AS min_part_cmt

COUNT AS d_count (*) OVER (PARTITION BY part_type_id)

OF test3

GROUP BY part_type_id, group_id, part_desc_id

)

SELECT DISTINCT

group_id, part_desc_id, part_type_id, min_part_cmt

OF got_d_count

WHERE d_count > 1

;

Output:

GROUP_ID PART_DESC_ID MIN_PART_CMT PART_TYPE_ID

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

ABC123 1 10 comment1

ABC123 2 15 comment1

XYZ123 1 10 comment6

XYZ123 2 15 comment7

Analytical functions, such as the COUNTY and MIN, many global versions, in addition, it can give the same results. Use the analytical versions when each row of output corresponds to exactly 1 row of input and the aggregate and GROUP BY version when each line of output corresponds to a group of lines 1 or more input. In this issue, each line of output appears to be a group of input lines having the same group_id, part_type_id, and part_desc_id (I'm guessing just, this only has never stated), so I used GROUP BY to get 1 row of output for every input lines.

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Oracle 10g version
Hi all
I have the following data samples:
Examples of data
WITH DATA AS
(
SELECT 100 case_id, next_date, to_date('01-feb-2015','dd-mon-yyyy') UNION double, ALL crt_date to_date('01-jan-2015','dd-mon-yyyy')
SELECT 100 case_id, next_date, to_date('01-mar-2015','dd-mon-yyyy') UNION double, ALL crt_date to_date('01-feb-2015','dd-mon-yyyy')
SELECT 100 case_id, next_date, to_date('01-apr-2015','dd-mon-yyyy') UNION double, ALL crt_date to_date('01-may-2015','dd-mon-yyyy')
SELECT 100 case_id, to_date('01-jun-2015','dd-mon-yyyy') next_date, to_date('01-apr-2015','dd-mon-yyyy') crt_date FROM dual
)
SELECT wagneur, MIN (next_date) OVER (PARTITION BY case_id) min_dt_analytical
,(
SELECT MIN (next_date) DATA dd
WHERE dd.case_id = d.case_id
AND dd.next_date > crt_date
) min_dt_sub_query
DATA d
;
My question is that I get min_dt_sub_query using sub query but I want to use the analytical instead of query sub function so I created min_dt_analytical column, but I do not have how to give the condition that is AND dd.next_date > crt_date analytical so that I can get the same result as min_dt_sub_query data accordingly. Thanks in advance
Concerning
MIT

Do not know if I understood your needs... but... something like that?

WITH DATA AS (SELECT 100 case_id, next_date, to_date('01-feb-2015','dd-mon-yyyy') UNION double, ALL crt_date to_date('01-jan-2015','dd-mon-yyyy')

SELECT the 100 case_id, next_date, to_date('01-mar-2015','dd-mon-yyyy') UNION double, ALL crt_date to_date('01-feb-2015','dd-mon-yyyy')

SELECT the 100 case_id, next_date, to_date('01-apr-2015','dd-mon-yyyy') UNION double, ALL crt_date to_date('01-may-2015','dd-mon-yyyy')

SELECT 100 case_id, next_date, to_date('01-apr-2015','dd-mon-yyyy') double crt_date to_date('01-jun-2015','dd-mon-yyyy'))

SELECT d.

MIN (next_date) OVER (PARTITION BY case_id) min_dt_analytical

MIN(CASE WHEN next_date > crt_date THEN next_date ELSE NULL END) OVER (PARTITION BY case_id) AS min_dt_sub_query2

DATA d;

HTH

By using the analytical function to sort without showing this column in the result.

Hello
We use the Oracle 11.2
How to use Oracle Analytics to sort the output of a query without showing this column in the result?
Here's my query:

Select distinct nvl(SRC_CHR_NM,'0') | » #'|| NVL(EXPL_SRC,'0') | » #'|| NVL(DIM_NM,'0') | » #'|| NVL(DIM_CHR_NM,'0') | » #'|| NVL(DIM_CHR_ABR,'0') | » #'||

Decode (InStr (NVL(SRC_COL_NM,'0'), 'trim ('),'1 ', Replace (NVL(SRC_COL_NM,'0'),'trim (',' trim(PRM_DTL.'), '0',' PRM_DTL.)))) » || NVL(SRC_COL_NM,'0')) AS ALLOFIT,

DIM_NM

from EXPL_CONFIG where SBJ_AREA_CD = 'PRMDTL. '

I want to use analytical to sort by DIM_NM but I do not want to show. I want to just just the ALLOFIT column to show in the output.
Something like "row_number() over (order by DIM_NM desc).
Thank you!

Hello

If you SELECT SEPARATE, then you can only ORDER OF things in the SELECT clause. (Do you really need to do SELECT DISTINCT? Often, it's just an inefficient way to remove the lines that do not need to be there at all).

Move making the SELECT DISTINCT in a subquery and make the ORDER BY (and nothing else) in the main query.

I hope that answers your question.

If this isn't the case, please post a small example data (CREATE TABLE and only relevant columns, INSERT statements) and also publish outcomes from these data.

Explain, using specific examples, how you get these results from these data.

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 use Group by in the analytic function

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