SQL & PL/SQL :: Finding Maximum Value Of Two Independent Columns Of Single Table

Jan 18, 2012

The challenge I am currently facing is finding the maximum value of two independent columns of a single table. Here is the structure of the table:

[FiscalYear] [AccountingPeriod]
------------ ------------------
[2012] ------------- [2]
[2011] ------------- [12]
[2012] ------------- [1]

What I need to be able to do is to:

1) Determine the maximum value present in column FiscalYear, and then the maximum value available for this FiscalYear under the column Accounting Period.

I can do this fairly easy on Microsoft SQL server, but so far was not able to do this easily on Oracle database. My other observation is that using the MAX function on Oracle is very slow (even with thse fields being indexed). Is it possible to run this query on Oracle with only one pass through the table where the returned result will show 2012 for FiscalYear, and 2 for Accounting Period?

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SQL & PL/SQL :: Finding Record In Table Having Value For Maximum Number Of Columns

Nov 25, 2011

if there is any inbuilt function or way to find a row in the table that is having value for maximum number of columns.

For example, the table A has 5 columns
(c1,c2,c3,c4,c5) and it has 3 records(r1,r2,r3)
and
r1 has values only for c1,c2
r2 has values only for c1,c2,c3,c4
r3 has values only for c1

so I should get the result as "r3 has values for 4 columns & it is not having value for column c5".

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Sep 17, 2011

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Jul 31, 2012

I've the following data set

with t as
(
select 1 cor_id , 'SR' rt_cd,TO_Date( '05/12/2010 01:12:19 PM', 'MM/DD/YYYY HH:MI:SS AM') dt,100 iss_id from dual union all
select 2 cor_id , 'SL' rt_cd,TO_Date( '05/12/2010 01:12:18 PM', 'MM/DD/YYYY HH:MI:SS AM') dt,100 iss_id from dual union all
select 3 cor_id , 'SR' rt_cd,TO_Date( '04/10/2010 02:11:15 PM', 'MM/DD/YYYY HH:MI:SS AM') dt,100 iss_id from dual union all
select 4 cor_id , 'SL' rt_cd,TO_Date( '04/10/2010 01:12:18 PM', 'MM/DD/YYYY HH:MI:SS AM') dt,100 iss_id from dual
)
select t1.*
from t t1for each iss_id =100 ,

there could me more than one record in the above data set, The requirement is i need to get the records where the trunc(dt) is maximum

I need to get 2 records with cor_id= 1 and 2.

how can i get those records

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Jan 24, 2011

Is there any limitations for the number of column defined inside the table?

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Nov 16, 2011

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May 13, 2007

I want to use the aggregate CORR_S function which take two numerical columns and output the correlation between them. Assuming I have the table:

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Like,
-------------------
SELECT CORR_S(
SELECT salary
FROM employees
WHERE salary < 10000,
SELECT salary
FROM employees
WHERE salary > 10000
) as correlation
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---------------------

It will find the correlation between salary's less than $10,000 in one column and salary's more than $10,000 in another column. Of course, I get an error when running the query. It's no problem if I use CORR_S(salary, salary) but I want to use derived columns, is it possible? Or, will I need to create a new table view with two new columns CORR_S(lowSalary, highSalary)?

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Dec 10, 2010

ive got two select statements which fetches data from different tables. I need to join the two result set . is it possible to do it from sql. Heres the query.

1)

SELECT
COUNT(CASE WHEN (INTERACTION_TYPE= 'EmailED' AND CONTACT_PARTY=1) THEN 1 END)CUSTOMER_EMAIL,
COUNT(CASE WHEN INTERACTION_TYPE= 'EmailED' AND CONTACT_PARTY=2 THEN 1 END)OTHER_EMAIL,

[Code]....

2)

SELECT
SUM (CHEQUE_TOTAL) CHEQUE_TOTAL
FROM RI_CHEQUE_VOUCHER_REFUND refund
INNER JOIN CH_CASE case ON (case.id = refund.id)
INNER JOIN EVA_ENTITY_DEFINITION ed ON (ed.name= 'ChequeRefundCaseED')
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AND
case.creation_time>= SYSDATE-7

Again I need to combine the resultset.So the result would look like

Customer_Email Other_Email Customer_Whitemail Other_whitemail Customer_telephone Other_Telephone Cheque_total

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Sep 22, 2011

I need to make the following transposition:

from this:

CUST_IDPLAN_IDNOREM_M4M ADD_M4M

6871 1231Yes Yes
68711232Yes NULL

into this:

CUST_ID PLAN_ID REM_M4M1 REM_M4M2 ADD_M4M1 ADD_M4M2

6871 123 Yes Yes Yes NULL

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Mar 7, 2013

I'm currently doing migration from Oracle 10gR2 RDF to Oracle 11gR2 Semantic Technology.I followed the steps on the documentation and successfully created the network using the following:

-----
EXECUTE SEM_APIS.CREATE_SEM_NETWORK('rdf_tblspace');
CREATE TABLE rdf_network_trace (id NUMBER, triple SDO_RDF_TRIPLE_S);
--Created SEQUENCE andTRIGGER FOR rdf_network_trace id
[code]....

when I looked at my Node Ids, they were like +635762253807433724+, +6118969225776891730+. The problem is, I am not the one who is assigning Node Ids, They were automatically generated when inserting TRIPLE data to the rdf table.

Did I miss something when I created my network?

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Nov 28, 2012

column1    column2            column3    column4

12                Mar-21-2005 BDW        blah blah blah
11               Feb-07-2001    ZV            ha ha ha
12                Jan-02-2002   YM           zuck zuck zuckI want a view that has that data like this:

column1    column2         

12                Mar-21-2005 - BDW - blah blah blah; Jan-02-2002 - YM     -      zuck zuck zuck
11               Feb-07-2001    ZV            ha ha haCan you help with SQL ?

I tried to use this Oracle LISTAGG function in the SQL, but got a "string concatenation limit exceeded"

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Mar 6, 2012

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declare
CUR_REC SECURITY_TYPE%rowtype;
begin
select *
into CUR_REC
from SECURITY_TYPE;
[code]....

it return ORA-01422: exact fetch returns more than requested number of rows error. Is any chance to implemented above scenario in oracle 10g

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Oct 4, 2007

Whats the command to show the name of the primary key in a table using oracle sql plus?

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Jan 21, 2011

I have a two question.

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Jun 10, 2013

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Jan 31, 2013

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Jun 23, 2010

SL_NoStatus
191502Implemented
191690Implemented
190998Implemented
191346Implemented
190541Implemented

[Code]..

my above table consists of two columnc sl_no and Status,col1 indicates the process no and the status indicates it is implemented or cancelled or failed during implementation.

i need to find the percentage of the implemented+cancelled process over failed..

test case:
lets consider,
A->count(Sl_NO)
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[Code]..

i think i have satisfactorily given enough data.. make it out using sql query..

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Jul 15, 2010

I have this table column of varchar2 data type. I need to find out if it contains anything other than numbers or alphabets(basically to see if it contains any special characters in it).

I just need to fetch only those rows that has special characters. How do I get this?

CREATE TABLE CHECK_SPL_CHARAC
(ADDRESS VARCHAR2(100));

INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC%ABC');
INSERT INTO CHECK_SPL_CHARACVALUES ('ABC_ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC?ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC*ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('1234');
INSERT INTO CHECK_SPL_CHARAC VALUES ('ABC');
INSERT INTO CHECK_SPL_CHARAC VALUES ('AB C');
INSERT INTO CHECK_SPL_CHARAC VALUES ('12 34');
COMMIT;

I need to get the first 4 rows alone in the sql output. I do not wan to get the last 2 rows with space.

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Jun 6, 2011

I have table emp that contains empno, empname, mgr .what i want is a general procedure that will take empno as input and will give all the child rows and parent for entered empno.

for ex

E
A-->B-->C-->D
F-->G
H

When i will pass d as node it will return c,b,a,e,f,g,h

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Dec 9, 2010

How can we see the history of transactions on a table.

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Apr 8, 2011

What is the Maximum Charter length can be given as a column name in a table?

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Sep 21, 2011

i want to find the name of user who make changes in the table structure or create any index or constraint or unique key or alter the column? Is there any way to find in Oracle. in which table what change has been done as well?

following Output needed

userid, username, schemaname, schemachangetime, "what_change_has_been_made", IP address or Computername

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Sep 4, 2010

I have a table as below:-

CREATE TABLE TEST_EMP_WIP
(
EMP VARCHAR2(20 BYTE),
WIP NUMBER,
MAX_SEQUENCE NUMBER
)

[Code]....

EMP WIP MAX_SEQUENCE RANK
002 2 2 1
003 1 4 2
005 3 5 3
010 1 4
011 1 5

I have to find the next EMP whose MAX_SQUENCE needs to be updated with a sequence. In this case the next would be '010' I fetched the EMP who falls after the max value of the column max_sequence in order of EMPCODE.

select emp_next from (
SELECT emp,max_sequence, LEAD(emp, 1, 0) OVER (ORDER BY emp) AS emp_next
from test_emp_wip where wip > 0 )
where max_sequence=(select max(max_sequence) from test_emp_wip where wip > 0)
EMP_NEXT
010
After sometime, the record would look like :-

EMP WIP MAX_SEQUENCE RANK
002 2 2 1
003 1 4 2
005 3 5 3
010 1 6 4
011 1 7 5

Now the next update should be done to the EMP '002' in cyclic manner.

tell me a way to do this. I can insert new columns if needed in table for calculation.

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Jul 27, 2011

i have inner query result like

Emp status
----- ----------
ram a
ram a
ram b
ram a

i want write a query to find a maximum occurrence of status and update in status column.

result should be

Emp status
----- ----------
ram a
ram a
ram a
ram a

i tried lot of thing but not to go.

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Oct 17, 2012

How to merge multiple rows into single row (but multiple columns) efficiently.

For example

IDVal IDDesc IdNum Id_Information_Type Attribute_1 Attribute_2 Attribute_3 Attribute_4 Attribute_5
23 asdc 1 Location USA NM ABQ Four Seasons 87106
23 asdc 1 Stats 2300 91.7 8.2 85432
23 asdc 1 Audit 1996 June 17 1200
65 affc 2 Location USA TX AUS Hilton 92305
65 affc 2 Stats 5510 42.7 46 9999
65 affc 2 Audit 1996 July 172 1100

where different attributes mean different thing for each Information_type. For example for Information_Type=Location

Attribute_1 means Country
Attribute_2 means State and so on.

For example for Information_Type=Stats

Attribute_1 means Population
Attribute_2 means American Ethnicity percentage and so on.

I want to create a view that shows like below:

IDVal IDDesc IDNum Country State City Hotel ZipCode Population American% Other% Area Audit Year AuditMonth Audit Type AuditTime
23 asdc 1 USA NM ABQ FourSeasons 87106 2300 91.7 46 85432 1996 June 17 1200
65 affc 2 USA TX AUS Hilton 92305 5510 42.7 46 9999 1996 July 172 1100

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May 30, 2013

i am reading the columns value from different table but i want to update it with single update statement. such as how to update multiple columns (50 columns) of table with single update statement .. is there any sql statement available i know it how to do with pl/sql.

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Aug 13, 2012

We have a table in the client database that has two columns - column parent and column child. The whole hierarchy of DB table dependencies is held in this table.If Report 1 is dependent on Table A and Table A in turn is dependent on two tables Table M and Table N. Table N is dependent on table Z it will appear in the db table as,

Hierarchy Table
Parent Child
Report1Table A
Table ATable M
Table ATable N
Table NTable Z

Requirement :

From the above structure, we need to build a table which will hold the complete hierarchy by breaking it into multiple columns.The o/p should look like this

-ParentChild 1Child 2 Child 3
-Report1Table ATable M
-Report1Table ATable N Table Z

Child 1, Child 2, Child 3 ....and so on are columns.The number of tables and the no of hierarchical relationships are dynamic.

SQL Statements to create hierarchy table:

create table hierarchy (parent varchar2(20), child varchar2(20));
insert into hierarchy values ('Report1','Table A');
insert into hierarchy values ('Report1','Table B');
insert into hierarchy values ('Table A','Table M');
insert into hierarchy values ('Table B','Table N');
insert into hierarchy values ('Report2','Table P');
insert into hierarchy values ('Table M','Table X');
insert into hierarchy values ('Table N','Table Y');
insert into hierarchy values ('Report X','Table Z');

Approached already tried :

1) Using indentation : select lpad(' ',20*(level-1)) || to_char(child) P from hierarchy connect_by start with parent='Report1' connect by prior child=parent;

2)Using connect by path function :
select *
from (select parent,child,level,connect_by_isleaf as leaf, sys_connect_by_path(child,'/') as path
from hierarchy start with parent='Report1'
connect by prior child =parent) a where Leaf not in (0);

Both the approaches give the information but the hierarchy data appears in a single column.Ideally we would like data at each level to appear in a different column.

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Mar 31, 2010

I want to do an import of a table from my old dump file.The same table is already there in the development box but few more columns are added to that table while testing so in the dump those columns are not available.

TABLE_EXISTS_ACTION=TRUNCATE
The new table
SQL> desc "TESTINVENTORY"."TTRANSACTION"
Name Null? Type
----------------------------------------------------------------------------------- -------- --------------------------------------------------------
TRANSACTIONIDNOT NULL CHAR(26)
BRANCHCODE NOT NULL CHAR(3)
EXTERNALSYSTEM NOT NULL CHAR(3)
EXTRACTSYSTEM NOT NULL CHAR(3)
OWNERBRANCHCODE NOT NULL CHAR(3)
TRADEREFERENCE NOT NULL CHAR(20)
[code]...

It giving error while doing an import.

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