SQL & PL/SQL :: Getting Distinct Values String Using LISTAGG?
Jun 3, 2013
CREATE TABLE TEST_TAB
(
A NUMBER(5),
B VARCHAR2(20)
) ;
INSERT INTO TEST_TAB VALUES ( 1, 'Manoj' ) ;
INSERT INTO TEST_TAB VALUES ( 1, 'Arun' ) ;
INSERT INTO TEST_TAB VALUES ( 1, 'Varun' ) ;
INSERT INTO TEST_TAB VALUES ( 1, 'Suresh' ) ;
[code].....
Query Output :
1Arun,Arun,Manoj,Manoj,Manoj,Suresh,Varun
2Kamlesh,Manoj,Manoj,Manoj,Suresh,Suresh
Expected Output :
1Arun,Manoj,Suresh,Varun
2Kamlesh,Manoj,Suresh
Expectation here is duplicate values should not be repeated.
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Aug 11, 2010
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE 11.1.0.6.0 Production"
I have a cursor, whose sql is returning seven rows with these values:
9
4
4
9
7
9
4
i open cursor and fetch these values into variable as shown
OPEN id_search FOR l_sql_stmt;
LOOP
FETCH id_search INTO l_eve_id;
if l_eve_id != l_eve_id_prev then
l_eve_id_str := l_eve_id_str || ' , ' ||l_eve_id ;
[code].......
but i want only the distinct values in l_eve_id_str , i.e.,
l_eve_id_str := 9,4,7
What this code is doing is creating a string with all the values
l_eve_id_str := 9,4,4,9,7,9,4
How to remove duplicates from this string?
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Sep 11, 2013
I'm Trying to use Listagg function in oracle 11g for concatenating values from different rows,but i'm getting error as FROM KEYWORD NOT FOUND.
Query is:
select listagg(column_name,'') within group (order by column_name) "column_name"
from table_name;
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May 27, 2013
i have a table with a clob column and i have 150 records i want retrieve distinct values from the clob using distinct operator on clob will not work
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Sep 26, 2005
how to count different characters from a string ....
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Jul 18, 2013
I have a table with two columns, like:
123 xxx
456 xxx
789 yyy
987 yyy
And in the output I would like to have:
123 xxx
789 yyy
I tried with distinct and unique on the second column, but it doesn't work.
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Nov 7, 2011
I have a table with 4 columns. The data is stored in an hierarchical format where L1 being the parent and L4 being the lowest child.
L1 L2 L3 L4
1 11 111 1111
2 21 211 2111
2 22 222 2222
[code]...
So each Level(L1 ..L4) has zero or many child levels which further has more levels.With out using PL/SQL how can we write a Select query to give me a distinct of all children, all the way to the lowest level (L4).Example: give me all the children where L1 = 3.Result: 31, 32, 33, 311, 322, 333, 3111, 3222, 3333Is it possible to write such a query or am I asking too much logic out of a select and should go with PL/SQL.
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Jul 13, 2010
I have table as below :-
Table ABC(
ID Number,
startDate date,
City varchar2(10)
)
I need to write query which will get me all the CityNames for which there are no Startdate differs,
i.e. To get all the city name records for which all of the Startdate are same across all the records.
I dont want to go after Self Join due to performance issues, do we have any better way?
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May 12, 2013
What is the fastest way to fetch DISTINCT values from partitioned table?
1) DISTINCT/UNIQUE
2) GROUP BY
3) PARTITION BY OVER()
4) MAX(ROWID)
Table Definition
CREATE TABLE STG_SOS_SALES_FACT_STUDY
(
CNTRY_KEY NUMBER,
STUDY_ID NUMBER,
PRD_KEY_YEAR NUMBER,
PRD_KEY_WEEK NUMBER,
DATE_FROM DATE,
[Code]...
-> PARTITION BY RANGE (PRD_KEY_YEAR, PRD_KEY_WEEK)
-> SUBPARTITION BY LIST (CNTRY_KEY)
** Local Partition Indexes
1) CN_SD_CTG_PRD_PRDC_IDX = STG_SOS_SALES_FACT_STUDY (PRD_KEY_YEAR, PRD_KEY_WEEK, CNTRY_KEY, STUDY_ID, CTG_ID, PRDC_KEY)
2) CN_SD_PRD_STR_CTG_IDX = STG_SOS_SALES_FACT_STUDY (PRD_KEY_YEAR, PRD_KEY_WEEK, CNTRY_KEY, STUDY_ID, STR_KEY)#Query:
SELECT DISTINCT PRD_KEY_WEEK, PRD_KEY_YEAR
[Code]...
** Explain Plan:
Plan
SELECT STATEMENT ALL_ROWSCost: 6,235 Bytes: 629 Cardinality: 37
8 HASH UNIQUE Cost: 6,235 Bytes: 629 Cardinality: 37
7 CONCATENATION
3 PARTITION RANGE ITERATOR Cost: 1,985 Bytes: 1,031,900 Cardinality: 60,700 Partition #: 3 Partitions accessed #194 - #207
[Code]...
Partition #: 7 Partitions determined by Key ValuesThe above query is taking around 6-7 minutes to fetch the data.
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May 3, 2012
As per NULL values concept
One NULL value is not equal to other NULL value.
But how DISTINCT and UNION eliminating NULL values.
Then how UNIQUE key constraint accepting more than one NULL value..
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Sep 25, 2012
I need to write a query in plsql to select records for first 3 distinct values of a single column (below example, ID )and all the rows for next 3 distinct values of the column and so on till the end of count of distinct values of a column.
eg:
ID name age
1 abc 10
1 def 20
2 ghi 10
2 jkl 20
2 mno 60
3 pqr 10
4 rst 10
4 tuv 10
5 vwx 10
6 xyz 10
6 hij 10
7 lmn 10
.
.
.
so on... (till some count)
Result should be
Query 1 should result --->
ID name age
1 abc 10
1 def 20
2 ghi 10
2 jkl 20
2 mno 60
3 pqr 10
query 2 should result -->
4 rst 10
4 tuv 10
5 vwx 10
6 xyz 10
6 hij 10
query 3 should result -->
7 lmn 10
.
.
9 .. ..
so on..
How to write a query for this inside a loop.
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Jan 29, 2013
I've generally operated under the assumption that if I have a query that executes properly, I should be able to create a view from that same logic. However, I've had more than one occasion where this seems to NOT be the case.
Today, I have a query using ListAgg that operates just fine when run interactively, but (in SQL Developer v 3.0.04) it gives ORA-24344 when I try to create a view using the exact same statement.
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Oct 28, 2011
using listagg function for more than 8000 char.I did the below sample SQL and in "e_orig" and "d_orig" for upto 4000 char it is working fine but I have to use it for more than 8000 char. and it is giving error,I checked the listagg function is having limitation of 4000 char.I tried but I am unable to achieve this.
select d.dname,d.loc,e.hiredate
,listagg(e.ename,',' ) within group (order by e.deptno) over (partition by e.deptno) as e_orig
,listagg(e.ename, ',') within group (order by e.sal) over (partition by e.deptno) as d_orig
from emp e, dept d
where e.deptno=d.deptno;
[code]....
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Feb 28, 2013
I have a column in a table that contains a string seperated by .
e.g.
IT.HARDWARE
IT.APPS
IT.SOFTWARE
I would like to split the two values out on two columns e.g.
Column1 - IT
Column2 - Hardware
etc.
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Oct 13, 2013
I have data something like this:
Sample DateWITH DATA AS ( SELECT 'AAAXXXX IO BLUEEXPRESS' LIST FROM dual UNION ALL SELECT 'BLUEEXPRESS AAAXXXX IO BLUEEXPRESS' FROM dual UNION ALL SELECT 'DDDDD BLUEEXPRESS AAAXXXX' FROM dual UNION ALL SELECT 'DDDDD DDDDD AAAXXXX' FROM dual UNION ALL SELECT 'DDDDD BLUEEXPRESS AAAXXXX NO CARBON' FROM dual UNION ALL SELECT 'NO CARBON
[code]....
The above result depends on the following rules:
- Replace BLUEEXPRESS into BEXPRESS
- Remove the term NO CARBON (See row no 6)
- Reduce all multiple space into single space (see last record).
So far I create separated queries for replacing BLUEEXPRESS into BEXPRESS and replace NOCARBON term but I don't know how to do it in a single shot as well as stuck on scenario to remove multiple spaces and put single space.
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Feb 5, 2013
Objective: I need to compile a final string by concatinating the unique values from different strings.
Here is the script to create tables and data.
Create table temp_acronyms(id number, acronym varchar2(30);
insert into temp_acronyms values(1, 'ABC');
insert into temp_acronyms values(2, 'DEC//NOFO');
insert into temp_acronyms values(3, 'CBK//FO TO USA');
insert into temp_acronyms values(4, 'DEC//NO ENTRY');
insert into temp_acronyms values(5, 'ABC//NOFO');
COMMIT;
select * from temp_acronyms;
ID ACRONYM
--- --------
1 ABC
2 DEC//NOFO
3 CBK//FO TO USA
4 DEC//NO ENTRY
5 ABC//NOFO
I need to store all the unique strings from the acronyms for id's 1,2, 3, 4 and 5 into a variable. doesn't matter even if it is through database procedure.
my final string should have the values as below
ABC//DEC//NOFO//CBK//FO TO USA//NO ENTRY
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Jul 22, 2011
I am trying to update the greatest value in a column from a string of other column.
Ex: f the value is shown 10M+16M+25M-DG, then populate 25 only
so for that I had written query as follows:
update ANCHOR set IEL_STRAND_SIZE= greatest(
substr
(REPLACE(REPLACE(REGEXP_REPLACE( F_TYP, '[A-Z]', '' ),'+',','),'-',','),
0,
length(REPLACE(REPLACE(REGEXP_REPLACE( F_TYP, '[A-Z]', '' ),'+',','),'-',','))-1))
The output is given as 10,16,25,but not as 25.so how could i write it?Do I need to implement procedure or arrays for it.
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Jul 16, 2013
I need to extract values from string to variables as below.
declare
str varchar2(100):='Acknowledgment=1234,Order Requester=5678,Site Contact=9999,Other Contact=1456,Pre=1234,23445,56767';
l_a varchar2(100);
l_or varchar2(100);
l_s varchar2(100);
l_ot varchar2(100);
l_pre varchar2(100);
Begin
l_a:='1234';
l_or:='5678';
l_s:='9999';
l_ot:='1456';
l_pre:='1234,23445,56767';
end;
/
But here challenge is order of alignment change dynamically. ex as below.
str varchar2(100):='Order Requester=5678,Acknowledgment=1234,Site Contact=9999,Other Contact=1456,Pre=1234,23445,56767';
str varchar2(100):='Pre=1234,23445,56767,Order Requester=5678,Acknowledgment=1234,Site Contact=9999,Other Contact=1456';
So how to extract Acknowledgement to l_a,Order requester to l_or ...
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Dec 29, 2012
My DB version is 10.1.0.5.0
I want extract the values from the string using below query but i am unable to bring the correct result.
WITH t AS ( select '123,1,3,22' col FROM DUAL
UNION ALL
SELECT '123,,2,1' FROM DUAL
UNION ALL
SELECT '5,1,2,,' FROM DUAL
)
[Code]...
My required result like below.
123 1 3 22
123 2 1
5 1 2
get required result using regular expressions.
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Aug 11, 2012
I would like to extract only the values from the XML string. The xml string looks like
<addressId>1</addressId><addressSource xsi:nil="true"/><addressInfoName xsi:nil="true"/><addressLine1>245 Murray Ln SW Bldg 14</addressLine1><addressLine2 xsi:nil="true"/><addressLine3 xsi:nil="true"/><addressLine4 xsi:nil="true"/><phoneNumber xsi:nil="true"/><phoneNumberExt xsi:nil="true"/><city>Washington</city><county xsi:nil="true"/><stateOrProvince>DC</stateOrProvince><ZIPCode>20528-1002</ZIPCode><country>USA</country><congressionalDistrict xsi:nil="true"/></address>
And the expected output is
245 Murray Ln SW Bldg 14
Washington
DC
20528-1002
USA
I need to extract only the values from the XMl string using sql.
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Nov 5, 2011
I have a table(PSUSEROBJTYPE) with a long field(PTCUSTFORMAT) containing a row value value in the form:
#1|0|0|0|0|#2|1|0|0|1|#3|1|0|0|0|#4|0|0|0|0
Here, I want to update the above field value to a value in the form:
#2|0|0|0|0|#3|1|0|0|1|#4|1|0|0|0|#5|0|0|0|0
This is nothing but finding each occurrence of (#n) in the above string and replacing it by (#n+1). (i.e #1 is replaced by #2,#2 is replaced by #3).
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Jun 15, 2013
I have a problem with Between clause used in where statement to compare two string variable.
Query is like this,
select item_code, item_deacrption
from itm_master, invoce_det
where im_code = item_code
AND invd_item_number BETWEEN (:startNum) AND (:endNum)
Here invd_item_number is a DB field and is of type varchar2(41), and (:startNum),(:endNum) are of same type.
now invd_item_number has one value '001003002001'
if we give :startNum = '001003001002' and :endNum = '001003004006'
:startNum and :endNum is composed of separate field values (ie, 1st 3 character shows color code, next 3 for catagory, next 3 for size etc). These codes are entered separately and are combined at run time.
it is still fetching the invd_item_number with value '001003002001'. (the last set of character(type code) in the :startNum is greater than invd_item_number's type code value. But it is smaller than the previous code (size code), that's why it is fetching).
But how can i get around this as i don't need that value to be fetched.
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May 7, 2010
I'm trying to figure out how to process a string of values that is being passed from Cold Fusion.
procedure test (Names in varchar2) is The Names variable from the Cold Fusion page would have values like Joe1,Joe2,Joe3,Joe4.
I need to loop through the Names variable (Joe1 then Joe2 then Joe3 and so on) and insert each one into a table. how to do that within the procedure?
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May 24, 2013
I am using the below code to update specific sub-partition data using oracle merge statements.
I am getting the sub-partition name and passing this as a string to the sub-partition clause.
The Merge statement is failing stating that the specified sub-partition does not exist. But the sub-partition do exists for the table.
We are using Oracle 11gr2 database.
Below is the code which I am using to populate the data.
declare
ln_min_batchkey PLS_INTEGER;
ln_max_batchkey PLS_INTEGER;
lv_partition_name VARCHAR2 (32767);
lv_subpartition_name VARCHAR2 (32767);
begin
[code]....
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Sep 4, 2013
Insert into PROFILE
(INSTANCE, PROFILENAME, USER_DATA, UPDATE_DATE)
Values
(138, 'Test A', 'SRC!-1,ARCHIVE_OPT!-1,DATE_FIELD!155,DATE_RULE!1,DISTINCT!1', TO_DATE('01/20/2005 13:35:33', 'MM/DD/YYYY HH24:MI:SS'));
/
Insert into RULES
(ID, NAME)
Values
(155, 'DATE_TEST');
I want a code something of this sort:
select profilename from PROFILE where user_data like '%DATE_RULE!115%';
Output will be "Test A".Now, this is just a single value from RULES table used to find the data of PROFILE table.I will have to run the query on multiple values of RULES tables to find records containing a string format of sort "DATE_RULE!<rule_no>". How to search on WILD CARDs like these?
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Dec 4, 2012
Database version: 11.2.0.3.0
I need to remove duplicate values from concatenated long string of state codes(comma separated). Ex: 'VA,VA,PA,PA,CT,NJ,CT,VA'. I tried following query and did not get required out put.
select regexp_replace('VA,VA,PA,PA,CT,NJ,CT,VA,CT,PA,VA,CT','([^,]*)(,1)+($|,)', '13') new_str from dual;
Define Meta-character's format in regular expression to get desired result. Out put required: VA,PA,CT,NJ (with out any duplicates).
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Jul 27, 2012
We have generated a fancy custom interactive report, in which the columns of string type, but can hold string, numeric or date values. However the type of values are uniform for a particular column. The end users wants to use the numerical values for generating charts, but, being a string column (though the data is numeric), it throws an error and they could not generate the chart. Is there any way to make use of this string column type numerical data for generating chart?
The current version of apex is 4.1.
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Jul 1, 2013
A computation after submit pl/sql function process to trim off the first part of the string (CQ..) within the list manager values. Support for example the list manager contains values such as
CQ..SAMPLE1..TEST1CQ..SAMPLE2..TEST2CQ..SAMPLE1..TEST2
The computation process should trim off the first part(CQ..) and should return the list manager value as SAMPLE1..TEST1SAMPLE2..TEST2SAMPLE1..TEST2 Oracle APEX 4.0.2 is the version and Oracle 10g r2 is the database.
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Jun 19, 2012
I have this error (and solution):
ORA-02085: database link string connects to string
Cause: a database link connected to a database with a different name. The connection is rejected.
Action: create a database link with the same name as the database it connects to, or set global_names=false.
Where should I set global_names=false ?
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Mar 14, 2013
I'm facing some problem even after using INSTR function in Oracle.The problem is I have written the logic in the PL/SQL block which appends all the values fetched in a loop on the basis of whether the string is present or not.
For ex:
The first value fetched from the select query first is ABCDEFG which gets appended to a variable
The next value fetched is AB even this has to be appended to the variable since this exactly doesn't match with ABCDEFG.
The next value fetched is BCDEF even this has to be appended to the variable since this exactly doesn't match with ABCDEFG.
The third Value fetched is ABCDEFG this will not get appended presently according to the logic which is correct.
writing that piece of code to append the value fetched which doesn't exactly match with the existing string
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