SQL & PL/SQL :: Rank Based On Multiple Conditions
Oct 4, 2013
I've below table.
with tmp_tbl as
(select 'H1' as hh_id, 'C1' as cust_id, 2 as f_rnk, 'F' as gender, to_date('20130102','YYYYMMDD') as purch_dt, to_date('20100203','YYYYMMDD') first_dt from dual
union
select 'H1' as hh_id, 'C2' as cust_id, 1 as f_rnk, 'M' as gender, to_date('20130102','YYYYMMDD') as purch_dt, to_date('20100303','YYYYMMDD') first_dt from dual
union
select 'H1' as hh_id, 'C3' as cust_id, cast(null as number) as f_rnk, 'U' as gender, to_date('20130103','YYYYMMDD') as purch_dt,
[code].....
Now i need to rank each cust_id in each hh_id based on below conditions.
1) If atleaset one cust_id in hh_id has f_rnk then gender 'F' with highest f_rnk (more then one F with same f_rnk then the one with oldest first_dt), if no 'F' then gender 'U' with highest f_rnk ((more then one F with same f_rnk then the one with oldest first_dt)), if no 'F' and 'U' then consider 'M' (more then one M with same f_rnk then the one with oldest first_dt).
2) If the above is not met (no cust_id in hh_id has f_rnk populated) then i've to rank based on purch_dt. Gender 'F' with recent purch_dt (if more than one F in household with same purch_dt then the one with oldest first_dt), if no 'F' then gender 'U' with recent purch_dt (if more than one U in household with same purch_dt then one with oldest first_dt), if no 'F' and 'U' then consider 'M' (more than one M in household with same purch_dt then the one with oldest first_dt).
3) If the above criteria is also not met, then rank based on gender_cd. Gender 'F' will have first preference then 'U' and then 'M'.
My output :
HH_ID CUST_ID F_RNK GENDER PURCH_DT FIRST_DT F_RNK_RANK PURCH_RANK GENDER_ONLY_RANK
----- ------- ---------- ------ ----------- ----------- ------------ ------------ -----------------
H1 C1 2 F 1/2/2013 2/3/2010 1
H1 C2 1 M 1/2/2013 3/3/2010 2
H1 C3 U 1/3/2013 4/3/2010 3
H2 C4 F 4/3/2013 10/2/2009 2
H2 C5 M 5/5/2013 8/8/2010 1
H3 C6 F 5/6/2008 1
H3 C6 M 7/8/2010 2
I've tried below query with one condition, but it's giving f_rnk_rank for all records. How can i include multiple conditions in the rank function.
with tmp_tbl as
(select 'H1' as hh_id, 'C1' as cust_id, 2 as f_rnk, 'F' as gender, to_date('20130102','YYYYMMDD') as purch_dt, to_date('20100203','YYYYMMDD') first_dt from dual
union
select 'H1' as hh_id, 'C2' as cust_id, 1 as f_rnk, 'M' as gender, to_date('20130102','YYYYMMDD') as purch_dt, to_date('20100303','YYYYMMDD') first_dt from dual
union
select 'H1' as hh_id, 'C3' as cust_id, cast(null as number) as f_rnk, 'U' as gender, to_date('20130103','YYYYMMDD') as purch_dt, s hh_id, 'C5' as cust_id,
[code]....
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Jun 28, 2010
I have a requirement where i need to retain latest 3 records based on creation date for each customer_id and delete the older records. The customer_ id or contract_number data in the test table are not unique.
Sample Table Script:
CREATE TABLE TEST
(
CUSTOMER_ID VARCHAR2(120 BYTE) NOT NULL,
CONTRACT_NUMBER VARCHAR2(120 BYTE) NOT NULL,
CREATION_DATE DATE NOT NULL
);
[code]...
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Nov 5, 2012
I am new to the forum as well as SQL programing and I need to have the following criteria writen in my WHERE so all three of these criterias are included in the same report (perhaps, each will have its own section).
1. PCT_To_Goal < 60
AND (round ( (opened_period / expected_Goal ), 2 ) * 100) >= 100
2. opened_period >= 3 and number_to_date = 0
3. PCT_To_Goal < 30
AND (round ( (opened_period / expected_Goal ), 2 ) * 100 > = 50
AND round ( (opened_period / expected_Goal ), 2 ) * 100 <= 100)
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May 12, 2012
Scenario 1 Query should check for priority record(25), if the start_date and end_date of that priority record is the max in that group, records will not have any split.output will be the same.
DC Store St Date End date Priority
955 3 1/1/2010 12/31/9999 25
966 3 4/5/2011 10/10/2011 50
977 3 10/12/2011 12/12/2012 100
output
DC store St Date End date Priority Rank
955 3 1/1/2010 12/31/9999 25 1
966 3 4/5/2011 10/10/2011 50 2
977 3 10/12/2011 12/12/2012 100 3
Scenario 2 If priority record is not covering the max range, then split the records as shown below,
1. during the time period 1/1/2011 & 4/30/2011 there were no other DC for that store so rank would be 1
2. the next range would be 5/1/2011 to 6/29/2011 we have 2 records in service so the record with low priortiy would be ranked 1 and second priority would be ranked 2
3. similarly, for 6/30/2011 to 10/1/2011 we have 3 records in service and it will be ranked accordingly on the priority.
DC Store St Date End date Priority
966 3 6/30/2011 10/1/2011 25
955 3 5/1/2011 11/30/2011 50
977 3 1/1/2011 12/31/2011 100
output
DC store St Date End date Priority Rank
977 3 1/1/2011 4/30/2011 100 1
955 3 5/1/2011 6/29/2011 50 1
977 3 5/1/2011 6/29/2011 100 2
[code]....
Scenario 3 This works similar to scenario 2
DC Store St Date End date Priority
966 3 2/1/2011 12/31/2011 25
955 3 1/1/2011 12/31/2012 50
977 3 5/1/2011 06/31/2011 100
output
DC store St Date End date Priority Rank
955 3 1/1/2011 1/31/2011 50 1
966 3 2/1/2011 12/31/2011 25 1
955 3 2/1/2011 12/31/2011 50 2
977 3 5/1/2011 6/30/2011 100 3
955 3 1/1/2012 12/31/2012 50 1
Note: Number of records in the input can vary and ther can be duplicates in the date interval
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Jan 8, 2011
Actually I have one query which contains two parameters from_Date and To_date.
if user pass the values for the parameter like 1-dec-2010 to 30-dec-2010 query will works fine and it fetches the values according to the query selected. but now I am going to add one more parameter, the value is 01-apr-2010 now my query should run for 01-apr-2010 to 30-dec-2010.
Here my question is how should I make this scenario with only one query and at the same time the query should work for to scenarios.
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Apr 20, 2011
SELECT
MAX(fndattdoc.LAST_UPDATE_DATE ) as LAST_UPDATE_DATE,
MAX(DECODE(fndcatusg.format,'H', st.short_text,NULL,st.short_text, NULL)) as COMMENTS,
MAX(fnddoc.description) as REASON
FROM fnd_attachment_functions fndattfn,
fnd_doc_category_usages fndcatusg,
fnd_documents_vl fnddoc,
fnd_attached_documents fndattdoc,
fnd_documents_short_text st,
fnd_document_categories_tl fl,
WSH_NEW_DELIVERIES DLVRY
[code]....
I have three tables, I have to merge those three tables, all three tables having same conditions and filter conditions(in each table one filter condition changed), I highlighted in the red difference the filter conditions in each table, finally my result should be 7 columns like
LAST_UPDATE_DATE, COMMENTS, REASON, CORRECTD_ACTUAL_DELIVERY_DATE, LAST_UPDATE_DATE, CORRECTD_PROMISE_DATE, LAST_UPDATE_DATE
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Mar 24, 2013
I created a sample table named as "Student" with following data. table contains two columns only - stdid & marks.
stdid marks
10 75
20 60
30 60
40 45
50 30
I have to find the rank of students based on their marks in descending order.Is there a way to get rank without using RANK function?
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Dec 1, 2011
I have a table with Column A, B, C. I want to write a query to retrieve the top row of A, B combination. i.e, for every unique value of A,B combination I want the row having highest value for C. I tried using rank() function but am not able to get the top row with combination of A,B.
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Mar 24, 2013
I have one table , with one column having 2,3 or 4 machine codes , i need to display them as each row per machine code will it be possible to do as i have thousands of records similar to the test case and which i had to do it manually in excel and then upload it back.
create table ow_oper_setup (wo_no varchar2(12),mrk_no varchar2(20),pos_no varchar2(30),mc_code varchar2(60))
insert into ow_oper_setup VALUES ('1270','1270001','W165','IR HO BV ')
insert into ow_oper_setup VALUES ('1270','1270001','W1332','IR BV ')
insert into ow_oper_setup values ('1270','1270001','W1367','RE HO SC BV ')
insert into ow_oper_setup values ('1270','1270001','W389','RE HO SC BV')
commit;
SELECT * FROM ow_oper_Setup;
WO_NOMRK_NOPOS_NOMC_CODE
12701270001W165IR HO BV
12701270001W1332IR BV
12701270001W1367RE HO SC BV
12701270001W389RE HO SC BV
--i want the output in the following way or the same table data to be replaced as below
WO_NOMRK_NOPOS_NOMC_CODE
12701270001W165IR
12701270001W165HO
12701270001W165BV
12701270001W1332IR
12701270001W1332BV
12701270001W1367RE
12701270001W1367HO
12701270001W1367SC
12701270001W1367BV
12701270001W389RE
12701270001W389HO
12701270001W389SC
12701270001W389BV
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Sep 14, 2012
I need to join ISSUED_REMOVED Table with ITL Table. having each quantity each row.
Eg. If a unit Serial no '354879019900009' has a part (1015268) issued 8 times and then unissued 4 times so finally the part was issued 4 times. so I need 4 rows to show for each qty 1 for that part and unit serial number.
-- ITL Table
Create table ITL_TEST (
ITEM_SERIAL_NO, ITEM_BCN, ITEM_ID, ITEM_PART_NO, OPER_ID,
ISSUED_REMOVED_PARTNO, ISSUED_REMOVED_QUANTITY, QUANTITY, SHIPMENT_ID)
[code]....
-- Issued Removed table
create table ISSUED_REMOVED_ITEM
(REPAIRED_ITEM_ID, ISSUED_REMOVED_ITEM_ID, ISSUED_PART_ID, OPER_ID, ISSUED_REMOVED_QUANTITY)
as select
122013187, 1323938, 1015268, 308, 2 from dual union all select
122013187, 1323939, 1015269, 308, 2 from dual union all select
122013187, 1323940, 1015268, 308, 2 from dual union all select
[code]....
-- The way I need to join the Issued_Removed Table
select * from ITL_TEST ITL
left join
issued_removed_item iri
on iri.REPAIRED_ITEM_ID = ITL.ITEM_ID --ITL.ITEM_ID --rlsn2.item_id --126357561
and iri.oper_id = 308 --in ( 308, 309)
[code]....
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Oct 10, 2012
CREATE TABLE test1
(strt_num NUMBER ,
end_num NUMBER ,
des VARCHAR2(5),
CONSTRAINT pk_strt_num PRIMARY KEY (strt_num)
);
INSERT INTO test1 VALUES (5, 8, 'GC');
INSERT INTO test1 VALUES (10, 25, 'AB');
INSERT INTO test1 VALUES (12, 35, 'PC');
INSERT INTO test1 VALUES (22, 65, 'LJ');
SELECT * FROM test1
STRT_NUM END_NUM DES
-------------- ------------ -------------
5 8 GC
10 25 AB
12 35 PC
22 65 LJ
The requirement is the records should be split based on below conditions
1. Split only those records WHERE (end_num - strt_num) > 10
2. If TRUNC((end_num - strt_num)/10) = n, then n + 1 number of rows should be created for that record
3. While splitting the records,
-> For first record , START_NUM = Original STRT_NUM and END_NUM = START_NUM + 10
-> Second record , STRT_NUM = previous END_NUM + 1 and END_NUM = previous END_NUM + 10
And this should continue for all records except the last record
-> For last record, STRT_NUM = previous END_NUM + 1 AND END_NUM = Original END_NUM
This table has 5 million records. Only for 2000 records (end_num - strt_num) > 10.
Expected Output.
STRT_NUM END_NUM DES
------------- -------- ---------
5 8 GC -- No chage, END_NUM - STRT_NUM < 10
10 20 AB
21 25 AB
12 22 PC
23 32 PC
33 35 PC
22 32 LJ -- STRT_NUM = Original STRT_NUm, END_NUM = STRT_NUM + 10
33 42 LJ -- STRT_NUM = Previous END_NUM + 1, END_NUM = previous END_NUM + 10
43 52 LJ -- STRT_NUM = Previous END_NUM + 1, END_NUM = previous END_NUM + 10
53 62 LJ -- STRT_NUM = Previous END_NUM + 1, END_NUM = previous END_NUM + 10
63 65 LJ -- STRT_NUM = Previous END_NUM + 1, END_NUM = Original END_NUM
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Dec 28, 2012
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
I want to delete dups from a table based on 3 columns
with sample_table as (
select '101' as ID1, '201' as ID2, '4' as weight from dual union all
select '101' as ID1, '201' as ID2, '5' as weight from dual union all
select '105' as ID1, '205' as ID2, '6' as weight from dual union all
select '105' as ID1, '205' as ID2, '6' as weight from dual union all
[code].........
Desired Output
with sample_table as (
select '101' as ID1, '201' as ID2, '5' as weight from dual union all
select '105' as ID1, '205' as ID2, '6' as weight from dual union all
select '110' as ID1, '215' as ID2, '9' as weight from dual
)
select * from sample_table
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Jan 27, 2012
I have made a travel booking system which comprises of 3 forms
1)Travel Booking form
2)Reservation Form
3)Cancellation Form
Under one booking number i can add multiple users in which they can have there multiple travels.
Users can cancel there individual travels under a prescribe booking number which on doing the Cancel flag turns to 'Y'.
What i want is, If a user is cancelling his/her travel under any booking number then while retriving the records in Travel Booking form, the travels which are cancelled should not be in enable mode.
For one user there can be 4 travels out of which 2 are cancelled, how can i track only those records whoes cancel flag is set to Y. some logic to find it out. Else can i use :system.cursor_record. If yes, How to use it for this system.
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Jul 20, 2010
I certainly know this is possibly but I am trying to do this on the fly and can't seem to work it out:
I have a table A:
ID Name Priority
-------------------
1 Smith 1
1 SSmith 2
1 ASmith 3
1 BSmith 3
2 John 2
3 Ed 1
and I am looking to create the following table from this:
ID Name Sum(Top3Priority)
--------------------------------
1 Smith,SSmith,etc 8
Now, I've got listagg working and everything appears to be going swimmingly but: for every listagg grouping on name I need to only sum the highest top 3 priorities. So in the example above there are four Smiths but I need to only sum the top 3 priorities which are 3,3,2 and ignore the 1 even though I do want all the listagg Smith's (SSmiht, ASmith, etc) in there.
Now I can sum the priority, but don't really know how to sum only the top 3 in any ID ? There can be 1 to n ID's so if there are only 2 ID's I want to sum those 2, if there are 3 all 3 and 4 upwards only the top 3.Here is a snippet of the SQL I am using
SLECT id,
listagg(MN_CR_LOOKUP.f_name, ',') within group (order by Priority)) roadname,
**** sum top 3 here ?****
count(*) "NumI", Sum("Elevation") "CombinedElevation"
FROM jc,
[code]...
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Mar 10, 2013
I am trying to find out the difference in time between peoples memberships and also the order that these memberships are taken out in. So far I have added in a rank statement to work out the order the memberships were created in, but now want to look at the difference between the dates returned. The SQL I used is:
SELECT owner_party_id,
mem_number,
support_id,
mem_start_date,
RANK() OVER (PARTITION BY owner_party_id ORDER BY mem_start_date ASC) MEMBERSHIP_SEQUENCE
FROM membership_all
WHERE version_type = 'CUR'
AND owner_party_id IN ('65051', '65051', '65348', '65348', '65607', '65607', '65607')
to get:
"OWNER_PARTY_ID"|"MEM_NUMBER"|"SUPPORT_ID"|"MEM_START_DATE"|"MEMBERSHIP_SEQUENCE"
65051|318874751|8014747|01-MAR-10|1
65051|412311060|21502883|15-AUG-12|2
65348|308672459|3526913|01-MAY-10|1
65348|409951130|20950524|18-JUN-12|2
65607|315830192|7510133|17-MAY-10|1
65607|406448110|20024246|16-MAR-12|2
65607|409738130|20903556|14-JUN-12|3
Now I would like to calculate the difference between the start dates of each of the owner_party_id groups, so to get something like this:
OWNER_PARTY_ID|MEM_NUMBER |SUPPORT_ID|MEM_START_DATE |MEMBERSHIP_SEQUENCE|Diff
65051|318874751|8014747|01-Mar-10|1|
65051|412311060|21502883|15-Aug-12|2|898
65348|308672459|3526913|01-May-10|1
65348|409951130|20950524|18-Jun-12|2|779
65607|315830192|7510133|17-May-10|1
65607|406448110|20024246|16-Mar-12|2|669
65607|409738130|20903556|14-Jun-12|3|90
I think that I need to use the Lag function in, but I am not too sure if it can be linked to look at the data within a grouping of owner party id, as it would make no sense to calculate the difference in dates for two different owner party ids.
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Sep 24, 2010
We have to load 10 million rows in a table from another table based on the multiple joins. How much tablespace size we allocate to the table and for performance point of view how much should be the SGA size.
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Aug 26, 2013
I have a table which contains the multiple records for single ID No. Now i have to select single record which contains the latest date. here is the structure Name
Null Type ------ ---- ------------ ID_P NUMBER NAME_P VARCHAR2(12) DATE_P TIMESTAMP(6) Records---------------------1 loosi 22-AUG-13 01.27.48.000000000 PM1 nammi 26-AUG-13 01.28.10.000000000 PM2 kk 22-AUG-13 01.28.26.000000000 PM2 thej 26-AUG-13 01.28.42.000000000 PM
now i have to select below 2 rows how can write select qurie for this?
1 loosi 26-AUG-13 01.27.48.000000000 PM2 thej 26-AUG-13 01.28.42.000000000 PM
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Mar 27, 2013
I need to return which hour for a given date range had the most calls. I have a query that works but it is inelegant and I'm pretty sure I could do better. I'm pretty new to analytic queries so go easy...
select hour,
calls
from
(
select hour,
calls,
rank() over (ORDER BY calls desc) as ranking
from
(
[Code]....
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Dec 2, 2010
how do i retrieve only last rank row from table ?
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Jul 13, 2011
there is a way when doing the Rank Function in PL/SQL to pass the field that will be ranked as an override.
SELECT rank(p_ColumnAmt) within group (order by p_ColumnNm desc) rank
INTO v_RnkNoAmt
FROM Table_name
WHERE ??????;
p_Column is the amount I am ranking
p_ColumnNm is the actual field name to Rank.
When I pass the field name with an override I do not get the correct rank back. If I run the Select with the actual field name curr_1_mth_amt, I get the correct rank.
I have about 70 different field to Rank and do not want to make a procedure for each field.
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Dec 2, 2010
the following statement gives each customer owns how many promotions.
Q:) how do i retrieve a customer who has max. promotions?
SELECT C.CUSTOMER_ID,COUNT(P.PROMOTION_ID)
FROM PROMOTIONS P,CUSTOMERS C
WHERE C.CUSTOMER_ID = P.CUSTOMER_ID
GROUP BY C.CUSTOMER_ID
=====================================================
CUSTOMER_ID COUNT(P.PROMOTION_ID)
-------------------------------------
001 | 5
002 | 8
003 | 4
004 | 6
005 | 5
006 | 3
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Feb 1, 2012
I have a SQL statement that return the following result.
col1
----
a
a
b
b
a
c
c
c
c
What i need is to eliminate the duplication and return the result as the following.
col1
----
a
b
a
c
Using group by or distinct will eliminate the third row "a" and will not return it ordered.My idea is to generate another column that rank the result as following.
col1rank
------------
a1
a1
b2
b2
a3
c4
c4
c4
c4
so using the following SQL query will return the result as needed
select col1, rank
from T
group by col1, rank
order by rank;
col1rank
------------
a1
b2
a3
c4
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Mar 26, 2012
I have this code which simply gives me the count of term.
SELECT
OUA_ID
,COALESCE (MAX( DECODE( TERM, 0603, TERM_COUNT, NULL ) ), 0 ) "TERM_0603_CNT"
,COALESCE (MAX( DECODE( TERM, 0702, TERM_COUNT, NULL) ), 0 ) "TERM_0702_CNT"
,COALESCE (MAX( DECODE( TERM, 0705, TERM_COUNT, NULL ) ), 0 ) "TERM_0705_CNT"
,COALESCE (MAX( DECODE( TERM, 0707, TERM_COUNT, NULL ) ), 0 ) "TERM_0707_CNT"
FROM(
SELECT DISTINCT
OUA_ID, TERM_COUNT, TERM
FROM(
SELECT OUA_ID, TERM ,PROVIDER_CDE, COUNT(*) TERM_COUNT
FROM TABLE
WHERE PROVIDER_CDE = 'BILL'
GROUP BY OUA_ID, TERM, PROVIDER_CDE)) GROUP BY OUA_ID
Gives:
OUA_IDTERM_0603_CNTTERM_0702_CNTTERM_0705_CNTTERM_0707_CNT
32710 0 3 7 0
45726 2 0 1 0
Is there a way i could used the rank function (with decode) to only display the 1ST (First) and 2nd(Second) most used term per OUA_ID?
So i get this:
OUA_ID1st MOST USED2nd MOST USED
3271 705 702
45726 603 705
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Aug 30, 2012
I have the following table :
CREATE TABLE A_TEST (A INTEGER, B INTEGER, C INTEGER, D INTEGER, FLAG CHAR(11));
INSERT INTO A_TEST (A,B,C,D) VALUES(1,2,3,4);
INSERT INTO A_TEST (A,B,C,D) VALUES(2,4,5,8);
INSERT INTO A_TEST (A,B,C,D) VALUES(1,2,3,4);
INSERT INTO A_TEST (A,B,C,D) VALUES(2,4,5,8);
[code].......
I would like to perform an update on the FLAG column by setting to "D" if it is a duplicate record.1,2,3,4);
I would like to use the rank function.
Desired update:
A B C D FLAG
1 2 3 4
2 4 5 8
1 2 3 4 D
2 4 5 8 D
7 2 3 4
9 2 3 4
7 2 3 4 D
1 2 3 4 D
5 4 5 8
2 2 3 9
2 4 5 8
6 2 3 4
1 3 3 4
8 2 8 4
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Mar 17, 2013
can we create rank on a particular column without using rownum and rank function.
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Jan 5, 2012
I am trying to use RANK() clause with a window clause...is that possible to use both together?
like
select col1, col2, col3,
RANK() OVER (ORDER BY col3 desc RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) RK
from table t
but getting error in SQL Developer
ORA-00907: missing right parenthesis
00907. 00000 - "missing right parenthesis"
*Cause:
*Action:
Error at Line: 2 Column: 33
The reason why i need to rank in window clause because i have data like this
Name Marks Quiz
Ali 10 1
John 20 1
Sara 30 1
John 40 2
Sara 50 2
Ali 20 2
...
...
and so on
I want to rank them based on their cumulative sum marks after every test..ranking should be in such a way that it should look current row and preceding rows
like this
Name Marks Quiz cumulative_marks rk
Ali 10 1 10 4
John 20 1 20 3
Sara 30 1 30 2
Peter 100 1 100 1
John 40 2 60 3 ==> becuase John has now third most overall cumulative marks (60) after quiz 2.
Sara 50 2 90 2 ==> becuase Sara has now 2nd most overall cumulative marks (90) after quiz 2.
Ali 20 2 30 4 ==> becuase Ali has now fouth most overall cumulative marks (30) after quiz 2.
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May 1, 2013
Here table - tac has
row1
-----
X
X
X
B
[code]...
I want ouptut like using sql query with out using dense_rank function,
row1 row2
X 1
X 1
X 1
B 2
[code]...
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Oct 22, 2012
I am attempting to user PIVOT and DENSE RANK in a query the following is the query and the record set it returns (condensed and de-identified)
"select * from(
select * from (select dense_rank() over (partition by 1 order by cal.weeksort desc) WEEK_nbr,
u.user_title Manager_Title, replace(hier.manager, '<br>',' - ') Manager,
replace(hier.user_hin, '<br>',' - ') user_name,
to_char(cal.calendar_date_week - 6, 'MM/DD/YYYY') ||' - '|| to_char(cal.calendar_date_week, 'MM/DD/YYYY') Week_of,
upper(substr(cal.day_of_week, 1,3)) DOW, count(distinct Pers_gen_key) cnt from apexim.hrw_member_action act
[code]....
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Jun 25, 2013
0 down vote favorite
I have one table in database that contains 3 foreign keys to another tables(this three tables name are: manager,worker and employee). in each row only one foreign key is filled.I need to write one query that with attention which column of fk is filled in where clause specified condition is performed. I write simple query in jpa but doesn't work properly
select b from allEmployees b where b.manager.name= :name OR b.worker.name = :name OR b.employee.name= :name
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Apr 2, 2013
You think i can do a from clause with conditions ??
The reason is that i need to retrieve fields from different schemas depending on a column in a common table
let s say the column CRITERIA_COL is in table Common
If COMMON.CRITERIA_COL has value 1 then the select query should fetch results from the schema : SCHEMA1.MY_TABLE
If COMMON.CRITERIA_COL has value 2 then the select query should fetch results from the schema : SCHEMA2.MY_TABLE
If COMMON.CRITERIA_COL has value 3 then the select query should fetch results from the schema : SCHEMA3.MY_TABLE
Something like this:
Select my_Col1, my_Col2 from
(case COMMON.CRITERIA
when '1' then SCHEMA1.MY_TABLE
when '2' then SCHEMA2.MY_TABLE
when '3' then SCHEMA3.MY_TABLE
)
but that is not working .By the way my query is not just that, it s a more complicated query, that s just the portion I am having trouble with .
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