get the only the lines that the max column

Hello

This is my entry

2     x1     18/03/2003         59,4
2     x1     03/04/2003         55
2     x1     01/01/2002             51,65
33     y1     22/08/2005        44
61     z1     22/08/2005          55
61     z1     01/01/2008        55
64     z2     16/01/2004       44
64     z2     22/08/2005       44 

How can I do to get only the rows having the max data_iv, that is: 

2     x1     03/04/2003          55
33     y1     22/08/2005        44
61     z1     01/01/2008        55
64     z2     22/08/2005       44

Thanks in advance for any help

You can use the analytical functions with a view online, for example

SELECT   *
FROM     (
            SELECT   col1
            ,        col2
            ,        col3
            ,        col4
            ,        RANK() OVER (PARTITION BY col1 ORDER BY col3 DESC) ranking
            FROM     table
         )
WHERE    ranking = 1

Tags: Database

Similar Questions

Get the max of a field in a query of County

Hi, I work with the following SQL query:

WITH ORDERED_QUERY AS
(
SELECT COUNT(SHRTRIT_SBGI_CODE) AS "COUNT OF I",
            SHRTRIT_SBGI_CODE AS "SBGI CODE",
            SHRTRIT_SBGI_DESC AS "INSTITUTION"
FROM SHRTRIT
WHERE (SHRTRIT_SBGI_CODE LIKE 'I%'
GROUP BY SHRTRIT_SBGI_CODE,SHRTRIT_SBGI_DESC
ORDER BY "COUNT OF I" DESC
)
SELECT "COUNT OF I","SBGI CODE","INSTITUTION" 
FROM ORDERED_QUERY
WHERE ROWNUM <= 20

What follows is the table mark code to get a test table:

create table SHRTRIT
(
SBGI_CODE     VARCHAR2(6)     NOT NULL
SBGI_DESC     VARCHAR2(10)
ACTIVITY_DATE     DATE
)
/
INSERT INTO SHRTRIT
(SBGI_CODE,SBGI_DESC,ACTIVITY_DATE)
VALUES
(I08883,MING-CHUAN COLL,10/6/2007 1:47:01 PM)
/
INSERT INTO SHRTRIT
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INSERT INTO SHRTRIT
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INSERT INTO SHRTRIT
(SBGI_CODE,SBGI_DESC,ACTIVITY_DATE)
VALUES
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INSERT INTO SHRTRIT
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VALUES
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/
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(SBGI_CODE,SBGI_DESC,ACTIVITY_DATE)
VALUES
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/
{CODE}

What I'm trying to do is get the max ACTIVITY_DATE for the institution when it's listed. For example, the max ACTIVITY_DATE for MING-CHUAN COLL is 2/10/2009 3:00:15 AM. The desired output is one record for MING-CHUAN, with a count of 4, the SBGI code, the Institution Name, and the max activity date of 2/10/2009 3:00:15 AM. However, when I just insert MAX(SHRTRIT_ACTIVITY_DATE) as part of the in-line query, it doesn't work like you'd think. It makes separate records for each date, such that here, there would be one record for 2/10/2009 with a count of 2 and one record for 10/6/2007 with a count of 2 for MING-CHUAN. 

It might actually work with this small amount of data, I don't know because I can't make a test table with these few records to find out. It certainly isn't working with the actual table. I know it has something to do with the aggregation, but I'm not quite sure how to get around this problem. I've tried some different things, but none of them have gotten the desired results.

Any help that you might be able to provide would be greatly appreciated!

Thanks so much,
Michelle Craig
Data Coordinator
Admissions operations and transfer services
Kent State University

Not exactly what you're trying to do, but:

SQL> SELECT  *
  2    FROM  SHRTRIT
  3  /

SBGI_C SBGI_DESC                      ACTIVITY_DATE
------ ------------------------------ ----------------------
I08883 MING-CHUAN COLL                10/06/2007 01:47:01 pm
I08883 MING-CHUAN COLL                02/10/2009 03:00:14 am
I08883 MING-CHUAN COLL                10/06/2007 12:11:56 pm
I08883 MING-CHUAN COLL                02/10/2009 03:00:15 am
I07979 RIYADH TECHNICAL COLLEGE       09/11/2008 03:01:26 am
I07979 RIYADH TECHNICAL COLLEGE       07/06/2010 09:00:02 pm

6 rows selected.

SQL> WITH ORDERED_QUERY AS (
  2                         SELECT  COUNT(SBGI_CODE) AS "COUNT OF I",
  3                                 SBGI_CODE AS "SBGI CODE",
  4                                 SBGI_DESC AS "INSTITUTION",
  5                                 MAX(ACTIVITY_DATE) LAST_ACTIVITY_DATE
  6                           FROM  SHRTRIT
  7                           WHERE SBGI_CODE LIKE 'I%'
  8                           GROUP BY SBGI_CODE,SBGI_DESC
  9                           ORDER BY "COUNT OF I" DESC
 10                        )
 11  SELECT  "COUNT OF I",
 12          "SBGI CODE",
 13          "INSTITUTION",
 14          LAST_ACTIVITY_DATE
 15    FROM  ORDERED_QUERY
 16    WHERE ROWNUM <= 20
 17  /

COUNT OF I SBGI C INSTITUTION                    LAST_ACTIVITY_DATE
---------- ------ ------------------------------ ----------------------
         4 I08883 MING-CHUAN COLL                02/10/2009 03:00:15 am
         2 I07979 RIYADH TECHNICAL COLLEGE       07/06/2010 09:00:02 pm

SQL>

SY.

Get the Max values and average of the different cycles in the single channel

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Joni
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ENDFIX

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http://forums.NI.com/T5/LabVIEW/how-can-I-return-the-maximum-value-from-a-voltage-sensor-over/m-p/30...

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How to increase the limit the max column pivot in BIEE 11 G?

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Error details
Error codes: IRVLJWTA:OI2DL65P
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1000
500
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30

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Let me explain the scenario.

We have a workbook of discoverer, who have several reports. These reports extract information from multiple views built specifically to retrieve information in several tables. So far, quite normal.

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In our case, we have created a report that shows the items that we have in our stock, for each item, the report shows the sum of kilograms, the average price, its value (the sum of the average price x kilograms) for each element of the family, and we want the report to display for each item (remember that each element is a line in the report or folder) the largest number of transaction_id (of which there been selected using MAX aggregate function for the selected item), but a kind of transaction types.

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Family | Product name | Sum of the kgs. | Units | Average price | Value of stock. Month | Year | Transaction ID | Type of transaction | Date of movement
4420 | ALUMINA PS - M BB720 | 97.680,000 | KG | 44737 | 43.699,10 | 04. 10. 7740531 | Finalización Conjunto WIP | 16/12/2009
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Considerations:

The value you see in the Transaction id is the maximum value that the field have; is that to say, each of the types of transactions, it shows the highest (last) transaction that id. looking at the example, the problem now is that we want to pocket the result a llitle little more. We want the report to show only from each product name or transaction id higher, either the date of circulation higher (as in the example above matches the transaction id 8201603 that have the highest movement 30/04/2010 - date).

I stopped at that point because I don't see how to filter the data to get the result we want.

Any suggestion or help would be appreciated, cause honestly, I don't see how.

Thanks in advance.

Luis.
Hi Luis
In order to get the last day of the month, given a year and month as strings, you will need to convert the strings to a date. Assuming you have a two-digit month and, presumably, a 2 digit, with the year 2000 year and more, then you need to start with a date and let's start with the first day of the month like this:

To_date ('01' |: month: year, 'DDMMYY')

You can use the ADD_MONTHS function to spend the month by one and then if you subtract 1 from that you will end up with the last day of the month.

EndofMonth = ADD_MONTHS (TO_DATE ('01' |: month |: year, 'DDMMYY'), 1)-1

You can also use the LAST_DAY function like this:

EndofMonth = LAST_DAY (TO_DATE ('01' |: month |: year, 'DDMMYY'))

Best wishes
Michael

How to get the Max value with other columns data also.

Suppose that a query is covered with the data as
Time of ID
01 07/12/2014
02 07/05/2014
03 16/07/2014
04 07/07/2014
I need to get the ID and time to time max.
that is, should I get
Time of ID
03 16/07/2014
To do this, I wrote a query that gives me necessary data. But I thought that's the best way?
Is it an effective way to get this data?
My query that returns the data required is:
SELECT ID, MAX_DT FROM
(
Select 'DUMMY', ID, TIME1, MAX (TIME1) OVER (PARTITION 'DUMMY') AS MAX_DT FROM TAB1
WHERE ID IN (BLAH BLAH)
)
WHERE MAX_DT = (EDT) 1

Frank mentioned links

WITH test_data (id, time) LIKE)

SELECT 01, to_date('2014/07/12','yyyy-mm-dd') FROM dual

UNION ALL

SELECT 02, to_date('2014/07/16','yyyy-mm-dd') FROM dual

UNION ALL

SELECT 03, to_date('2014/07/16','yyyy-mm-dd') FROM dual

UNION ALL

SELECT 04, to_date('2014/07/07','yyyy-mm-dd') FROM dual

)

SELECT id, time

go (select id,

time,

Max (Time) on latest_time (order by time lines between unbounded preceding and following unbounded)

of test_data

)

where time = latest_time

ID TIME

3 16/07/2014

2 16/07/2014

Concerning

Etbin

ID	TIME
3	16/07/2014
2	16/07/2014

Stuck with trying to get the max of the table version number

We have a custom table that contains information on the work packages installed.

Whenever a package is updated, a new entry is added to the table, with an incremented version number.

Some examples of data:

GET sampledata
WITH sampledata AS
     (SELECT 'TEST0003' NAME
           , '1.1' VERSION
           , 'Installed Work Packet TEST 111' description
           , '18-Jul-2003' install_date
        FROM DUAL
      UNION ALL
      SELECT 'TEST0003'
           , '1.2'
           , 'Installed Work Packet TEST 111'
           , '18-Aug-2003'
        FROM DUAL
      UNION ALL
      SELECT 'TEST0003'
           , '1.3'
           , 'Installed Work Packet TEST 111'
           , '18-Sep-2003'
        FROM DUAL
      UNION ALL
      SELECT 'THIS2003'
           , '2.1'
           , 'Something Else'
           , '01-Jul-2009'
        FROM DUAL
      UNION ALL
      SELECT 'THIS2003'
           , '2.2'
           , 'Something Else'
           , '10-Aug-2009'
        FROM DUAL
      UNION ALL
      SELECT 'THIS2003'
           , '2.3'
           , 'Something Else'
           , '15-Nov-2009'
        FROM DUAL)
SELECT *
  FROM sampledata;

I would like to know how to return only the most recent version of each package of the table, but I can't get out.

For example, the sample data above, I would like to only include:

NAME               VERSION                DESCRIPTION                            INSTALL_DATE
---------------------------------------------------------------------------------------------------
TEST0003           1.3                    Installed Work Packet TEST 111         18-Sep-2003
THIS2003           2.3                    Something Else                         15-Nov-2009

I see she has to somehow select MAX (version) for each different "NAME", but can't get my head around the syntax. What I have to GROUP BY "NAME" and then select the MAX (VERSION) of that?

Any advice much appreciated.

Thank you

Thanks for the sample date!
Yet another version:

SQL>WITH sampledata AS
  2       (
  3          SELECT 'TEST0003' NAME, '1.1' VERSION, 'Installed Work Packet TEST 111' description,
  4                 '18-Jul-2003' install_date
  5            FROM DUAL
  6          UNION ALL
  7          SELECT 'TEST0003', '1.2', 'Installed Work Packet TEST 111', '18-Aug-2003'
  8            FROM DUAL
  9          UNION ALL
 10          SELECT 'TEST0003', '1.3', 'Installed Work Packet TEST 111', '18-Sep-2003'
 11            FROM DUAL
 12          UNION ALL
 13          SELECT 'THIS2003', '2.1', 'Something Else', '01-Jul-2009'
 14            FROM DUAL
 15          UNION ALL
 16          SELECT 'THIS2003', '2.2', 'Something Else', '10-Aug-2009'
 17            FROM DUAL
 18          UNION ALL
 19          SELECT 'THIS2003', '2.3', 'Something Else', '15-Nov-2009'
 20            FROM DUAL)
 21  SELECT   NAME, MAX(VERSION), MAX(description)KEEP (DENSE_RANK FIRST ORDER BY VERSION) AS description,
 22           MAX(install_date)KEEP (DENSE_RANK FIRST ORDER BY VERSION) AS install_date
 23      FROM sampledata
 24  GROUP BY NAME;

NAME     MAX DESCRIPTION                    INSTALL_DAT
-------- --- ------------------------------ -----------
TEST0003 1.3 Installed Work Packet TEST 111 18-Jul-2003
THIS2003 2.3 Something Else                 01-Jul-2009

URS

How to get the Max of elements of type datetime value
Hi all
I wanted to get the last value timestamp (DateTime data type) of the node list. I have the following xml. In this xml file, I want to get the modifydate element that has the last time stamp via xquery/xpath, it should return me following result 2011-09-29 T 17: 21:17 + 10:00

< CustomerList >
< CustomerDetails >
< Name > Test 1 < / name >
assets of < status > < / status >
< modifyDate > 2011-08-20T 17: 21:17 + 10:00 < / modifyDate >
< / CustomerDetails >

< CustomerDetails >
< Name > Test 2 < / name >
Cancel < status > < / status >
< modifyDate > 2011-08-29T 17: 21:17 + 10:00 < / modifyDate >
< / CustomerDetails >

< CustomerDetails >
< Name > Test 3 < / name >
assets of < status > < / status >
< modifyDate > 2011-09-29T 17: 21:17 + 10:00 < / modifyDate >
< / CustomerDetails >
< / CustomerList >

I tried to use the
CustomerList/CustomerDetails/modifyDate [not (. < =... / the above - sibling:CustomerList/CustomerDetails modifyDate) and not (. < =... / following - sibling:CustomerList/CustomerDetails modifyDate)]
But it does not work on the datetime data type.
Any help in this regard is highly appreciated.

Concerning

Published by: user6736659 on Sep 5, 2011 06:15
Hello

The following XQuery query should give you what you want:
```
max(
 for $i in /CustomerList/CustomerDetails/modifyDate
 return xs:dateTime($i)
)
```
For example, by using Oracle SQL:
```
SQL> var xmldoc varchar2(4000)
SQL> begin
  2   :xmldoc := '
  3  
  4   Test 1
  5  active
  6  2011-08-20T17:21:17+10:00
  7  
  8
  9  
 10   Test 2
 11  cancel
 12  2011-08-29T17:21:17+10:00
 13  
 14
 15  
 16   Test 3
 17  active
 18  2011-09-29T17:21:17+10:00
 19  
 20  ';
 21  end;
 22  /

PL/SQL procedure successfully completed

SQL> select xmlquery('max(
  2   for $i in /CustomerList/CustomerDetails/modifyDate
  3   return xs:dateTime($i)
  4  )'
  5  passing xmltype(:xmldoc)
  6  returning content
  7  )
  8  from dual
  9  ;

XMLQUERY('MAX(FOR$IIN/CUSTOMER
--------------------------------------------------------------------------------
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```

Get the max of this query

DB version: 10 gr 2

My query below is a union of two queries max. Currently, it returns two rows.

select max(to_timestamp(to_char(END_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS')) 
from SHIP_DTL
where SHIP_DTL.IS_ENABLED = 1 AND SHIP_DTL.IS_DELETED = 0 
AND COMPANY_ID =1
and cost_event_id=1 and END_EFFECTIVE_DATE is not null
union
select max(to_timestamp(to_char(START_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS')) from SHIP_DTL
where SHIP_DTL.IS_ENABLED = 1 AND SHIP_DTL.IS_DELETED = 0 AND COMPANY_ID =1
and cost_event_id=1 and END_EFFECTIVE_DATE is null;

MAX(TO_TIMESTAMP(TO_CHAR(END_EFFECTIVE_DATE,'YYYY-MM-DDHH24:MI:SS'),'YYYY-M
---------------------------------------------------------------------------
09-12-01 05:39:00.000000000
09-12-30 06:55:00.000000000

I want to get the most out of these two lines. So, I tried the following query using double. But I get the error message

SQL> select max (select max(to_timestamp(to_char(END_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-M
M-DD HH24:MI:SS')) 
  2  from SHIP_DTL
  3  where SHIP_DTL.IS_ENABLED = 1 AND SHIP_DTL.IS_DELETED = 0 
  4  AND COMPANY_ID =1
  5  and cost_event_id=1 and END_EFFECTIVE_DATE is not null
  6  union
  7  select max(to_timestamp(to_char(START_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:
MI:SS')) from SHIP_DTL
  8  where SHIP_DTL.IS_ENABLED = 1 AND SHIP_DTL.IS_DELETED = 0 AND COMPANY
_ID =1
  9  and cost_event_id=1 and END_EFFECTIVE_DATE is null) from dual;
select max (select max(to_timestamp(to_char(END_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD 
            *
ERROR at line 1:
ORA-00936: missing expression

What I'm doing wrong here?

select max(dt) from (
 SELECT MAX(to_timestamp(TO_CHAR(END_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS')) dt
   FROM SHIP_DTL
  WHERE SHIP_DTL.IS_ENABLED = 1
AND SHIP_DTL.IS_DELETED     = 0
AND COMPANY_ID              =1
AND cost_event_id           =1
AND END_EFFECTIVE_DATE     IS NOT NULL
  UNION
SELECT MAX(to_timestamp(TO_CHAR(START_EFFECTIVE_DATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS'))
   FROM SHIP_DTL
  WHERE SHIP_DTL.IS_ENABLED = 1
AND SHIP_DTL.IS_DELETED     = 0
AND COMPANY_ID              =1
AND cost_event_id           =1
AND END_EFFECTIVE_DATE     IS NULL
)

put in a sub query

Ravi Kumar

How to get the max sequence number when some record exists in the database table
Hello

I need to create the sequence that he should leave value max already exists in the table.

Example:
I have a table as below:

ID NAME
1A
1 a
3 C
4 D

Now, during the creation of sequence it should start from 5 but I should ' t START WITH 5 hard-code in the sequence to create. Is it possible to do without Hardcoding the max value in the sequence. It automatically brings the value max + 1 for the next data when I insert.

CREATE THE TEST_SEQ SEQUENCE. NEXTVAL
START WITH [Max + 1 val of the table]
MAXVALUE 9999999999999999999999999999
MINVALUE 1
NOCYCLE
CACHE 20
ALL;

Thank you...

Published by: 998976 on April 18, 2013 04:37

Published by: 998976 on April 18, 2013 04:38
Hello

All the numbers in a CREATE SEQUENCE statement are literals; no other types of numeric expressions are allowed.
You need dynamic SQL statements to do something like what you want. For example:
```
COLUMN     seq_start_col     NEW_VALUE  seq_start

SELECT     1 + MAX (val)     AS seq_start_col
FROM     table_x;

CCREATE SEQUENCE TEST_SEQ.NEXTVAL
START WITH  &seq_start
MAXVALUE 9999999999999999999999999999
MINVALUE 1
NOCYCLE
CACHE 20
NOORDER;
```

Get the max value with other areas
Hi all

I have a table as below

Value name
- - - - - - - - - - - - - - - -
A1 5
A3 10
A2 7
A2 9
A1 10

What I get is the max (Value) and with the consolidation of its name

Value name
- - - - - - - - -
A2 16

Thank you
Alex

Published by: user8606416 on June 1, 2011 10:17

Published by: user8606416 on June 1, 2011 10:26
Depends on how you feel on one of the links of:
```
SELECT name, value
FROM (SELECT name, SUM(value)
      FROM table
      GROUP BY name
      ORDER BY 2 DESC)
WHERE rownum = 1

SELECT name, SUM(value)
FROM table
GROUP BY name
HAVING SUM(value) >= ALL (SELECT SUM(value)
                          FROM table
                          GROUP BY name)
```
among many other methods. The first takes a single arbitrary registration in the case of a tie, and the second shows all the related records.

John

Get the MAX value of dimension 2 table
I have a little trouble to find a value MAX (or MIN) of the second dimension in a 2-dimensional array. I do a query and the first dimension is the column name, the second is the values. I'm coming out of the MAX value of the column in the second dimension. ArrayMax said "the array passed cannot contain more than one dimension."

Any ideas? I'm sure that this is possible.
MaxValue = ArrayMax (QueryName ["FieldName"]);

or Q of Q.

How to get the required column, the names of tables for the preparation of the report.
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How can I start my approach to prepare the data for the report model? How can I search the database based on the respective diagrams of means?
all input appreciated
Hello

You can find information about schema objects in eTRM Web site, you can also consult the documentation for product/module and see if it helps. If you already have any report (standard or custom), you can enable the trace and run the program to see which object it access or open the report using Report Designer and see the code.

ETRM Oracle
http://ETRM.Oracle.com

Oracle Applications documentation
http://www.Oracle.com/technology/documentation/applications.html

Kind regards
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