Query with distinct
Hi, I have data and query like below,
SQL> select * from A;
ID QTY DAYS
1 2 3
2 3 4
3 4 5
1 2 3
2 3 6
SQL> select distinct id,units,days from A order by id;
ID QTY DAYS
1 2 3
2 3 4
2 3 6
3 4 5
For some reason i wanted to get the missing record also (ID =1) if the QTY is same without removing the distinct clause.
How could i do this, pls help.
thanks
Ben
You're saying "I have to keep the distinct keyword but not actually get distinct output".
That makes no sense. Your desired output is the same as your input. Unless you can explain it in a way that makes sense you're out of luck. The only way to accomplish what you ask is to remove the distinct keyword.
Similar Messages
-
How Can I increase performance of Query with Distinct Keyword
Dear Experts,
In my Query when I execute this without Distinct it give result very soon,
But when I excute this with Distinct its performance is very slow is there any option for increase the performance with Distinct .
I have to use Distinct according to our rewuirement.neither DISTINCT nor GROUP BY do sort. If you need to sort, use ORDER BY. Slight correction, they do a sort, but your results are not guarenteed to be sorted.
The overhead of a sort is incurred, if your results is large enough (my test below isn't) you will be sorting to disk. Which as we all know can be very slow.
9i:
SQL> SET TRIMSPOOL ON
SQL> CREATE TABLE D (A VARCHAR2(2));
Table created.
SQL> INSERT INTO D (A) SELECT DBMS_RANDOM.STRING('U',2) FROM DUAL CONNECT BY LEVEL <= 5000;
5000 rows created.
SQL> COMMIT;
Commit complete.
SQL> SET AUTOTRACE TRACEONLY EXPLAIN;
SQL> SELECT DISTINCT A FROM D;
Execution Plan
0 SELECT STATEMENT Optimizer=CHOOSE
1 0 SORT (UNIQUE)
2 1 TABLE ACCESS (FULL) OF 'D'
SQL> SELECT A FROM D GROUP BY A;
Execution Plan
0 SELECT STATEMENT Optimizer=CHOOSE
1 0 SORT (GROUP BY)
2 1 TABLE ACCESS (FULL) OF 'D'
SQL> SELECT DISTINCT A FROM D ORDER BY A;
Execution Plan
0 SELECT STATEMENT Optimizer=CHOOSE
1 0 SORT (UNIQUE)
2 1 TABLE ACCESS (FULL) OF 'D'
SQL> SPOOL OFF10g
SQL> SET TRIMSPOOL ON
SQL> CREATE TABLE D (A VARCHAR2(2));
Table created.
SQL> INSERT INTO D (A) SELECT DBMS_RANDOM.STRING('U',2) FROM DUAL CONNECT BY LEVEL <= 5000;
5000 rows created.
SQL> COMMIT;
Commit complete.
SQL> SET AUTOTRACE TRACEONLY EXPLAIN;
SQL> SELECT DISTINCT A FROM D;
Execution Plan
Plan hash value: 3079699766
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 5000 | 15000 | 7 (29)| 00:00:01 |
| 1 | HASH UNIQUE | | 5000 | 15000 | 7 (29)| 00:00:01 |
| 2 | TABLE ACCESS FULL| D | 5000 | 15000 | 5 (0)| 00:00:01 |
Note
- dynamic sampling used for this statement
SQL> SELECT A FROM D GROUP BY A;
Execution Plan
Plan hash value: 2712634873
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 5000 | 15000 | 7 (29)| 00:00:01 |
| 1 | HASH GROUP BY | | 5000 | 15000 | 7 (29)| 00:00:01 |
| 2 | TABLE ACCESS FULL| D | 5000 | 15000 | 5 (0)| 00:00:01 |
Note
- dynamic sampling used for this statement
SQL> SELECT DISTINCT A FROM D ORDER BY A;
Execution Plan
Plan hash value: 1773491675
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
| 0 | SELECT STATEMENT | | 5000 | 15000 | 8 (38)| 00:00:01 |
| 1 | SORT UNIQUE | | 5000 | 15000 | 7 (29)| 00:00:01 |
| 2 | TABLE ACCESS FULL| D | 5000 | 15000 | 5 (0)| 00:00:01 |
Note
- dynamic sampling used for this statement
SQL> SPOOL OFF -
SQL Query with Distinct and Count is wrong.
Hello,
i have another problem with a query.
Here the Data:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
CREATE TABLE TABLE_1
( "ORDER_NR" VARCHAR2 (12)
, "PRIORITY" VARCHAR2 (2)
, "WO_STATUS" VARCHAR2 (1)
, "STATUS_DATE" DATE
, "ART_NR" VARCHAR2 (9)
, "DESCRIPTION" VARCHAR2 (255)
, "PRICE" VARCHAR2 (10)
CREATE TABLE TABLE_2
( "ART_NR" VARCHAR(9)
, "MODELL" VARCHAR2(10)
, "MANUFACT" VARCHAR2(20)
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300612', '12', 'U', TO_DATE('05-FEB-13 10:22:39','DD-MON-RR HH24:MI:SS'), '005231987', '1ST ANNUAL SERVICE', '5000.2546');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300638', '05', 'U', TO_DATE('05-FEB-13 11:38:39','DD-MON-RR HH24:MI:SS'), '005667821', '3RD ANNUAL SERVICE', '5269.7856');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300638', '12', 'U', TO_DATE('06-FEB-13 12:38:39','DD-MON-RR HH24:MI:SS'), '005667821', '1ST BIENNIAL SERVICE', '1234.4468');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300638', '12', 'U', TO_DATE('07-FEB-13 13:38:39','DD-MON-RR HH24:MI:SS'), '005667821', '3RD ANNUAL SERVICE', '4366.7856');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300762', '12', 'U', TO_DATE('22-FEB-13 14:55:48','DD-MON-RR HH24:MI:SS'), '018743356', '3RD ANNUAL SERVICE', '4462.8632');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300766', '12', 'U', TO_DATE('22-FEB-13 08:32:13','DD-MON-RR HH24:MI:SS'), '018743356', '2ND ANNUAL SERVICE', '8762.6643');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300766', '05', 'U', TO_DATE('23-FEB-13 12:32:13','DD-MON-RR HH24:MI:SS'), '018743356', '1ST BIENNIAL SERVICE', '3425.6643');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300766', '12', 'U', TO_DATE('24-FEB-13 14:32:13','DD-MON-RR HH24:MI:SS'), '018743356', '2ND BIENNIAL SERVICE', '6678.6643');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300612', '12', 'U', TO_DATE('06-FEB-13 10:22:39','DD-MON-RR HH24:MI:SS'), '005231987', '1ST ANNUAL SERVICE', '5000.2546');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300638', '05', 'U', TO_DATE('05-FEB-13 11:38:39','DD-MON-RR HH24:MI:SS'), '005667821', '3RD ANNUAL SERVICE', '5269.7856');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300638', '12', 'U', TO_DATE('06-FEB-13 12:38:39','DD-MON-RR HH24:MI:SS'), '005667821', '1ST BIENNIAL SERVICE', '1234.4468');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300638', '12', 'U', TO_DATE('07-FEB-13 13:38:39','DD-MON-RR HH24:MI:SS'), '005667821', '3RD ANNUAL SERVICE', '4366.7856');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300762', '12', 'U', TO_DATE('22-FEB-13 14:55:48','DD-MON-RR HH24:MI:SS'), '018743356', '3RD ANNUAL SERVICE', '4462.8632');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300766', '12', 'U', TO_DATE('22-FEB-13 08:32:13','DD-MON-RR HH24:MI:SS'), '018743356', '2ND ANNUAL SERVICE', '8762.6643');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300766', '05', 'U', TO_DATE('23-FEB-13 12:32:13','DD-MON-RR HH24:MI:SS'), '018743356', '1ST BIENNIAL SERVICE', '3425.6643');
INSERT INTO TABLE_1 (ORDER_NR, PRIORITY, WO_STATUS, STATUS_DATE, ART_NR, DESCRIPTION, PRICE)
VALUES ('1KKA1Z300766', '12', 'U', TO_DATE('24-FEB-13 14:32:13','DD-MON-RR HH24:MI:SS'), '018743356', '2ND BIENNIAL SERVICE', '6678.6643');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT1');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT2');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT3');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT4');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT5');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT6');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT1');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT2');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT3');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT4');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT1');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT2');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT3');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT4');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT5');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT6');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT1');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT2');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT3');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT4');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT5');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005231987', 'X-RAY1', 'MANUFACT6');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT1');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT2');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT3');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('005667821', 'LASER', 'MANUFACT4');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT1');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT2');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT3');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT4');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT5');
INSERT INTO TABLE_2 (ART_NR, MODELL, MANUFACT)
VALUES ('018743356', 'VACCUM', 'MANUFACT6');
COMMIT;And my query:
SELECT T1.ART_NR
, T2.MODELL
, SUM(ROUND(T1.PRICE, 2)) AS TOTAL_PRICE
, COUNT(*) AS QTY
, TO_CHAR(T1.STATUS_DATE, 'MON-RR') AS MONTH
FROM TABLE_1 T1, TABLE_2 T2
WHERE T1.WO_STATUS = 'U'
AND T1.ART_NR = T2.ART_NR
AND TO_CHAR(T1.STATUS_DATE, 'MON-RR') = 'FEB-13'
GROUP BY T2.MODELL
, T1.ART_NR
, TO_CHAR(T1.STATUS_DATE, 'MON-RR')And the result:
ART_NR MODELL TOTAL_PRICE QTY MONTH
018743356 VACCUM 559916.16 96 FEB-13
005667821 LASER 173936.48 48 FEB-13
005231987 X-RAY1 120006 24 FEB-13My problem now is, the OTY field ist wrong it should count how often the equipment was in service in FEB-13 and group it by "MODELL" the MANUFACT field is not interesting for me, but this ist my problem, one Modell can have multible Manufacter and so i got a wrong count for my QTY.
The next step i need is to group the result also by Service type (annual or biennial), like this:
ART_NR MODELL TOTAL_PRICE QTY MONTH SERVICE_TYPE
018743356 VACCUM 1234.56 4 FEB-13 ANNUAL
018743356 VACCUM 4423.48 10 FEB-13 BIENNIAL
005667821 LASER 4783.11 2 FEB-13 ANNUAL
005667821 LASER 1123.77 22 FEB-13 BIENNIAL
005231987 X-RAY1 8966.12 6 FEB-13 ANNUAL
005231987 X-RAY1 7826.44 12 FEB-13 BIENNIALThis values are only out of my head, not the table, only to show what i need.
Thanks for your help.
Greets ReinhardHi,
Here's one way:
WITH got_groups AS
SELECT art_nr
, TRUNC (status_date, 'MONTH') AS month
, CASE
WHEN UPPER (description) LIKE '%ANNUAL%'
THEN 'ANNUAL'
WHEN UPPER (description) LIKE '%BIENNIAL%'
THEN 'BIENNIAL'
END AS service_type
, TO_NUMBER (price) AS price
FROM table_1
WHERE status_date >= DATE '2013-02-01'
AND status_date < DATE '2013-03-01'
, table_2_summary AS
SELECT DISTINCT art_nr, modell
FROM table_2
SELECT g.art_nr
, s.modell
, ROUND ( SUM (g.price)
, 2
) AS total_price
, COUNT (*) AS qty
, g.month
, service_type
FROM got_groups g
JOIN table_2_summary s ON s.art_nr = g.art_nr
GROUP BY g.art_nr
, s.modell
, g.month
, g.service_type
;The reason why your aggregates were originally too high is that you have a many-to-many relationship between the tables. The tables are related only by art_nr, but art_nr is not unique in either table. Look at art_nr '005231987', example. There ate 2 rows in table_1 with that art_nr, and 6 rows in table_2 with the same art_nr. If we join on art_nr, then both of the rows in table_1 will match each of the 6 rows in table_2, so the COUNT will be 2 * 6 = 12, and in the SUM, each of the numbers from table_1 will get added 6 times.
Why is table_2 designed the way it is? Cn there be multiple modells for the same art_nr? If so, what would you want for output? If there can only be 1 modell for each art_nr, then a better design would be to have a table that just had one row per art_nr, and included the modell column, and another table to show which manufacturers produce each art_nr. In this problem, you wouldn't need the manufacturers table, and the other table already has unique art_nrs, so you wouldn't need anything like the sub-query table_2_summary.
Don't store price in a VARCHAR2 column. Storing NUMBERs in a VARCHAR2 column is just asking for problems. Why not use a NUMBER column instead.
You'll notice that I used ROUND (SUM ... where you use SUM ( ROUND. The results might be a little different because of rounding errors. ROUND ( SUM only has to call ROUND once per group (5 times in this example) instead of once per row (16 times in this example). The less rounding you do, the less rounding error creeps in. Also, since there are fewer function calls, it's more convenient. (Of course, you'll never notice the difference between calling ROUND 5 times or 16 times, but in a real-life exampe, the difference could be between calling it 50 times or calling it 16000 times.) If you really need to use SUM (ROUND, you can. -
Tunning the Query with Distinct Clause
Hi All,
I have the below query that returns 28113657 records
select src_Wc_id, osp_id, src_osp_id
from osp_complements o1
where exists (select 1 from wc_crossref wc
where wc.src_wc_id = o1.SRC_WC_ID
and wc.state = 'CA')
This query executes within a second...
But when i include a DISTINCT clause in the select statement, it takes more time ... (more than 20 mins)
I am trying to get it tunned. Please advice me with your knowledge to get it done
Thanks for your time
Kannan.Retrieving distinct rows requires a sort of all returned rows. 20 - 3 = ~17 mins for sorting 28 mln rows looks too much. You need to tune your instance in order to speed up sort operation. The amount of memory dedicated to sorts is controlled by PGA_AGGREGATE_TARGET parameter. If it's set to 0 (not recommended) then SORT_AREA_SIZE is used. The process of PGA tuning is quite complex and described in PGA Memory Management chapter of Performance Tuning Guide.
There is a workaround which allows to bypass sort operation, but it requires proper index and proper access by that index. The idea is that rows rertrieved via index are automatically ordered by indexed columns. If that and only that columns (possibly - in the same order as in the index, I don't know) are selected using DISTINCT then sort is not actually performed. Rows are already sorted due to access via index.
Hope this will help you.
Regards,
Dima -
Query with distinct and without it
Hello all,
I have a query to select some rows. like this..actually I want to show the recrods without any duplicates in voucher number and voucher type
select distinct voucher_no ,t.voucher_type
from gen_led_voucher_row_tab t
where t.company = 'IPWL'
and ((((t.debet_amount is null) and (t.currency_debet_amount IS NOT NULL and t.currency_debet_amount != 0 )))
or ((t.credit_amount is null) and (t.currency_credit_amount IS NOT NULL and t.currency_credit_amount != 0)))But someone asked from me to show some other columns in the output..so now I can't use that query..so how I show those other fields without getting duplicates in voucher_no and voucher_type. Please let me know..
Now I have to show something like this
select distinct voucher_no ,t.voucher_type ,t.voucher_date,t.credit_amount,t.debet_amount,t.currency_credit_amount,t.currency_debet_amount
from gen_led_voucher_row_tab t
where t.company = 'IPWL'
and ((((t.debet_amount is null) and (t.currency_debet_amount IS NOT NULL and t.currency_debet_amount != 0 )))
or ((t.credit_amount is null) and (t.currency_credit_amount IS NOT NULL and t.currency_credit_amount != 0)))Hello all,
I have a query to select some rows. like
this..actually I want to show the recrods without any
duplicates in voucher number and voucher type
select distinct voucher_no ,t.voucher_type
from gen_led_voucher_row_tab t
where t.company = 'IPWL'
and ((((t.debet_amount is null) and
(t.currency_debet_amount IS NOT NULL and
t.currency_debet_amount != 0 )))
or ((t.credit_amount is null) and
(t.currency_credit_amount IS NOT NULL and
t.currency_credit_amount != 0)))But someone asked from me to show some other columns
in the output..so now I can't use that query..so how
I show those other fields without getting duplicates
in voucher_no and voucher_type. Please let me know..
Now I have to show something like this
select distinct voucher_no ,t.voucher_type
,t.voucher_date,t.credit_amount,t.debet_amount,t.curre
ncy_credit_amount,t.currency_debet_amount
from gen_led_voucher_row_tab t
where t.company = 'IPWL'
and ((((t.debet_amount is null) and
(t.currency_debet_amount IS NOT NULL and
t.currency_debet_amount != 0 )))
or ((t.credit_amount is null) and
(t.currency_credit_amount IS NOT NULL and
t.currency_credit_amount != 0)))
You can try something like this
select * from gen_led_voucher_row_tab t where voucher number in
(select distinct voucher_no ,t.voucher_type
from gen_led_voucher_row_tab t
where t.company = 'IPWL'
and ((((t.debet_amount is null) and
(t.currency_debet_amount IS NOT NULL and
t.currency_debet_amount != 0 )))
or ((t.credit_amount is null) and
(t.currency_credit_amount IS NOT NULL and
t.currency_credit_amount != 0)))) -
Hi, I have this query in my 9ir2 database:
SELECT xmit.u_ii_id, xprol.ii_id
FROM xprol, ( SELECT DISTINCT u_ii_id, ii_id
FROM t
WHERE NVL(key_t,'X') <> 'P') xmit
WHERE xprol.ii_id = xmit.ii_id
AND xmit.u_ii_id <> xprol.ii_id ;
u_ii_id ii_id
6220 5765
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7898 3409
7898 3409
7898 3409
7898 3409
7898 3409
7898 3409
7898 3409
7898 3409
.The query returns 12.294.938 million of rows.
I need to know de best way to filter this values... maybe using Analytic Functions?
The result of the query must be...
u_ii_id ii_id
6220 5765
7898 3409Thanks!ROW_NUMBER () OVER (PARTITION BY xmit.u_ii_id
ORDER BY xmit.u_ii_id,
xprol.ii_id) AS rn
xprol, (SELECT DISTINCT u_ii_id, ii_id
FROM t
HERE NVL (key_t, 'X') <> 'P') xmit
WHERE xprol.ii_id = xmit.ii_id AND xmit.u_ii_id <>
xprol.ii_id AND rn = 1
/code]this will not work it will give , that needs to be in subquery
ORA-00904: "RN": invalid identifier
below is just an example
SQL> select empno,e.deptno ,row_number() over(partition by deptno order by deptno) rn
2 from emp e, (select deptno from dept1
3 where deptno=10) d
4 where e.deptno=d.deptno
5 and rn=1;
and rn=1
ERROR at line 5:
ORA-00904: "RN": invalid identifier
/pre] -
Hi
I have a table which contains 4 columns
DataDetails
dataid
datatype
dataurl
timestamp
Now there can be multiple entries for a particular dataid,datatype combination.
But I need to find out distinct dataid,datatype and dataurl combination For eg
dataid datatype dataturl timestamp
1 VARCHAR google.com/varchar 01/Jan/2010
1 VARCHAR google.com/varchar 10/Jan/2010
1 VARCHAR google.com/varchar 01/Feb/2010
1 VARCHAR google.com/varchar2 23/Mar/2010
1 VARCHAR google.com/varch 01/Apr/2010
1 VARCHAR google.com/varch 10/Apr/2010
1 VARCHAR google.com/char 05/May/2010
1 VARCHAR google.com/varch 01/Apr/2010
2 CHAR google.com/varchar 10/Jan/2010
2 CHAR google.com/varchar 01/Jan/2010
2 CHAR google.com/varchar 10/Jan/2010
2 CHAR google.com/varchar 01/Feb/2010
2 CHAR google.com/varchar2 23/Mar/2010
2 CHAR google.com/varch 01/Apr/2010
2 CHAR google.com/varch 10/Apr/2010
2 CHAR google.com/char 08/May/2010
2 CHAR google.com/varch 01/Apr/2010
2 CHAR google.com/varchar 10/Jan/2010
3 INT google.com/int 01/March/2010
3 INT google.com/integer 01/Apr/2010
3 INT google.com/Intgr 10/Jan/2010
I need to select the combination of dataid,datatype and dataurl with MAX timestamp.
That is in this case it would be
1 VARCHAR google.com/char 05/May/2010
2 CHAR google.com/char 08/May/2010
3 INT google.com/integer 01/Apr/2010
Any advice???2 CHAR google.com/char 08/May/2010
2 CHAR google.com/varch 01/Apr/2010Looks like you have done the same mistake as i've done it initially. :)
Simple group by clause cannot pick only -
2 CHAR google.com/char 08/May/2010Record from the 2nd dataset produced by op.
You have to use analytics here.
Regards.
Satyaki De. -
Sql query with dynamic fiscal year
Hi,
I wrote this query with static fiscal year and fiscal period, I need info on making the variables dynamic
Fiscal year : starts from July1st. So this year until June'30 it is '2011' and from July'1st its '2012'
Fiscal period: July1st its '1' and June'1st its '12'
Query:
select distinct o.c_num, o.ac_num, s.sub_ac_num, o.fiscal_year, o.ac_exp_date, s.sub_ac_ind
from org_account o
left outer join sub_account s
on o.c_num = s.c_num and o.ac_num = s.ac_num
where (o.ac_exp_date >= CURRENT_DATE or o.ac_exp_date is null)
and o.fiscal_year = *'2011'* --> need to be dynamic
and o.fiscal_period = *'12'* --> need to be dynamic
thanks,
Mano
Edited by: user9332645 on Jun 2, 2011 6:55 PMHi, Mano,
Welcome to the forum!
Whenever you have a question, please post a little sample data (CREATE TABLE and INSERT statements), and the results you want from that data.
Always say which version of Oracle you're using.
Since this is your first thread, I'll post some sample data for you:
CREATE TABLE table_x
( dt DATE
INSERT INTO table_x (dt) VALUES (DATE '2010-12-31');
INSERT INTO table_x (dt) VALUES (DATE '2011-01-01');
INSERT INTO table_x (dt) VALUES (DATE '2011-06-02');
INSERT INTO table_x (dt) VALUES (DATE '2011-06-30');
INSERT INTO table_x (dt) VALUES (DATE '2011-07-01');Is this the output you would want from that data?
DT FISCAL_YEAR FISCAL_PERIOD
31-Dec-2010 2011 06
01-Jan-2011 2011 07
02-Jun-2011 2011 12
30-Jun-2011 2011 12
01-Jul-2011 2012 01If so, here's one way to get it:
SELECT dt
, TO_CHAR ( ADD_MONTHS (dt, 6)
, 'YYYY'
) AS fiscal_year
, TO_CHAR ( ADD_MONTHS (dt, 6)
, 'MM'
) AS fiscal_period
FROM table_x
ORDER BY dt
;Since your fiscal year starts 6 months before the calendar year, you need to add 6 months to the actual date to get the fiscal year and month.
The query above produces strings for fiscal_year and fiscal_period. If you'd rather have NUMBERs, then use EXTRACT instead of TO_CHAR:
SELECT dt
, EXTRACT ( YEAR
FROM ADD_MONTHS (dt, 6)
) AS fiscal_year
, EXTRACT ( MONTH
FROM ADD_MONTHS (dt, 6)
) AS fiscal_period
FROM table_x
ORDER BY dt
;The first query will work in Oracle 6 (and higher).
I'm not sure when EXTRACT was introduced. It definitely works in Oracle 10, and may be available in earlier versions, too. -
Select query with UNION clause in database adapter
Friends,
I have got a SQL query with two UNION clause withing it. like
select a,b,c
from a
union
select a,b,c
from b
The schema generated is like below in sequence
<element>a</element>
<element>b</element>
<element>c</element>
<element>a</element>
<element>b</element>
<element>c</element>
So, the columns from different select queries joined with UNION clause are all appeared in schema instead of the distinct columns.
Is there any way around to solve this issue ? or will need to with DB function/procedure.I think I know what you are saying but your example doesn't make sense, your SQL should produce something like
I had to change a, b, c with elementA, elementB, elementC as a and b are reserved html tags.
<elementA>DateA</elementA>
<elementB>DataB</elementB>
<elementC>DataC</elementC>
...What is the result of the query when you run it in SQLPlus? Is it what you expect?
cheers
James -
Not able to migrate a query with not exist clause
Hi all,
I'm using Toplink 10.1.3 and I am trying to rewrite the following query with Expression Framework:
select distinct r.e_ogg_oper_k_oggetto
FROM regola_accettazione_oper_banc r, oggetto_operazione_bancaria o
where not exists (
select 1
FROM limitaz_ogg_tipo_oper_banc l
where nvl(l.d_fine_validita,trunc(sysdate)+1)>trunc(sysdate)
and l.d_inizio_validita <= trunc(sysdate)
and l.e_tpodv_k_tipo_operazione=:appoggio.tipo_operaz
and l.e_ogg_oper_k_oggetto=r.e_ogg_oper_k_oggetto
and l.e_uni_oper_k_unita_oper_util= :appoggio.e_uni_oper_k_unita_oper_esegui )
and r.e_oper_ban_k_operaz_bancaria=:appoggio.form
and r.e_ogg_oper_k_oggetto=o.k_oggetto
and o.e_ogg_oper_k_oggetto is null
and o.k_oggetto != nvl(:appoggio.oggetto_autom,,'0')
and o.k_oggetto like substr(:appoggio.oggetto,1,2)||'%'
and r.d_inizio_validita <= :appoggio.d_contab
and to_date(nvl(to_char(r.d_fine_validita,DD/MM/YYYY'),31/12/3999'),'DD/MM/YYYY')> :appoggio.d_contab
and o.f_natura_oggetto in ('G','P') and r.f_oggetto_automatizzato!='S'
I'm not able to "attach" the not exist clause to the rest of query.
How can I do it?
Thank you very much.Not exists can be used in an expression through using a ReportQuery sub-query.
i.e.
ExpressionBuilder outerBuilder = new ExpressionBuilder();
ReadAllQuery outerQuery = new ReadAllQuery(Employee.class, outerBuilder);
ExpressionBuilder subBuilder = new ExpressionBuilder();
ReportQuery subQuery = new ReportQuery(Address.class, subBuilder);
subQuery.addAttribute("id");
subQuery.setSelectionCriteria(
subBuilder.get("city").equal(outerBuilder.get("address").get("city")
.and(subBuilder.notEqual(outerBuilder.get("address")))));
outerQuery.setSelectionCriteria(
outerBuilder.notExists(subQuery));
List results = (List) session.executeQuery(outerQuery);
Refer to the documentation section on sub-queries for more information.
I would suggest simlpifying the where clause until you get the sub-query working to start.
You can also always use a custom SQL query in TopLink. -
Physical queries generated with DISTINCT clause
Hi All,
We have a model with three dimension tables and a fact table. All the join conditions between dimension and fact tables are defined and dimension with level keys.
Apart from this, one of the dimension is used for applying the row level filter.
Oracle BI is generating physical queries with DISTINCT clause, which is impacting the performance of the query exeuction. Any tips in modification to business model to avoid the generation of DISTINCT clause would be appreciated.
Thanks,
Phanihi,
Open RPD-->Double click on Logical table source in BMM layer and go to content tab .you will have Select Distinct Values by default it was uncheck if that is checked uncheck that one....(this one is only to restrict from BMM layer)
thanks,
saichand.v -
Hi ,
I have created a sub query with order by on a column.( i have cutomized the IKM control append to put order by).I can see the order by condition.If i use this subquery(yellow interface) in main query(is also yellow interface) i can't see the order by condition
Subquery(Q-yellow interface):
select
PID,
START_TIME,
ACTION_TYPE_CODE
FROM
select DISTINCT
SERVICE_TRACKING_S.PID PID,
TO_TIMESTAMP(TO_CHAR(SERVICE_TRACKING_S.ACTION_TIME,'DD-MON-YY HH24:MI:SS'),'DD-MON-YY HH24:MI:SS') START_TIME,
SERVICE_TRACKING_S.ACTION_TYPE_CODE ACTION_TYPE_CODE
from KSTGDB.SERVICE_TRACKING_S SERVICE_TRACKING_S
where (1=1)
ORDER BY-----------------------------------------------
PID
,START_TIME ASC
ODI_GET_FROM
Main query(Q1--yellow interface):
select
PID,
START_TIME,
ACTION_TYPE_CODE,
RN,
RN_MAX
FROM (
select
Q.PID PID,
Q.START_TIME START_TIME,
CASE WHEN Q.START_TIME-LAG(Q.START_TIME,1,Q.START_TIME) OVER (PARTITION BY Q. PID ORDER BY Q.START_TIME)> numtodsinterval(75,'minute')
or Q.PID!=LAG(Q.PID,1,0) OVER (PARTITION BY Q.PID ORDER BY Q.START_TIME) THEN 1 ELSE Q.ACTION_TYPE_CODE END ACTION_TYPE_CODE,
ROW_NUMBER() OVER(PARTITION BY Q.PID ORDER BY Q.START_TIME) RN,
count(*) over (PARTITION BY Q.PID ORDER BY Q.START_TIME ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING )
RN_MAX
from (
select DISTINCT
SERVICE_TRACKING_S.PID PID, TO_TIMESTAMP(TO_CHAR(SERVICE_TRACKING_S.ACTION_TIME,'DD-MON-YY HH24:MI:SS'),'DD-MON-YY HH24:MI:SS') START_TIME, SERVICE_TRACKING_S.ACTION_TYPE_CODE ACTION_TYPE_CODE
from KSTGDB.SERVICE_TRACKING_S SERVICE_TRACKING_S
where (1=1)
----------------- i don't see order by here--------------------------------
) Q
where (1=1)
) ODI_GET_FROM
thanks in advance
KHi,
Add a new KM step with the SQL you want to use for the sub query and select the +"Use Current Command for Derived-Table sub-select statement"+ checkbox. This new step can be the last one of your IKM.
Basically, you can copy the select statement of the "Insert new rows" step.
Regards,
JeromeFr -
SAP query - SQ01 distinct rocord
Hi,
I created a join with VBAK and VBAP tables.
We are trying to get distinct sales order document number based on sales order line item details.
Currently query output is listing sales document number repeated for input.
How we can get a list output with distinct sales document number?.
Kindly help.
Regards,
Shabeer AhammedIn SQ01, create an infoset instead. To get to info set, SQ01, then Environment InfoSet. Create the info set and save. Then click on Code icon and select the code section. Select the section that code should appear and manually type in the select statement such as 'select distinct vbeln from vbap where vbeln = vbak-vbeln'.
Generate. Get ABAP help if necessary.
Role assignment may also be necessary. -
Hi,
I have three table:
Candidates: (candidate_id primary key)
Purhcase_orders: (Po_number primary key)
Bids: (bid_number primary key)
Just wanted to retrieve candidate information like candidate_id, first_name etc, along with count of purchase orders issued against this candidate and count of bid_number.
For that I have written below query:
query - 1:
SELECT CANDIDATE_ID,
INITCAP (first_name) FIRST_NAME,
+(SELECT COUNT (DISTINCT bid_number)+
FROM bids
WHERE BIDS.CANDIDATE_ID = cand.candidate_id)
BID_COUNT,
+(SELECT COUNT (DISTINCT po_number)+
FROM purchase_orders po
WHERE PO.CONTRACTEE_ID = cand.candidate_id)
PO_COUNT,
+'Y' match_flag,+
DECODE ( (SELECT candidate_id
FROM v_ineligible_candidates vic
WHERE VIC.CANDIDATE_ID = cand.candidate_id),
NULL, 'N',
+'Y')+
INELIGIBLE_FLAG
FROM candidates cand
Based on business requirement, need to create another set of query (query -2) same like above. In that we have some decode statements to calculate match_flag, then need to perform UNION operation between query -1 and query -2.
have around 130563 number of rows in candidates table.
Individually both queries are taking 500 msec.
But when I have used union, it didnt give result for atleast 60 sec. Then I cancelled execution.
Execution plan for the final query with UNION: (final cost)
Cost: 2,873 Bytes: 9,130,170 Cardinality: 260,862
Please help me in this issue.
Why its taking that much time in union.
Please correct my mistake and suggest me in this query.
UNION ALL is running but not UNION.
Thanks in advancePlease post complete Explain Plans.
To get detailed information of Explain Plan use
explain plan for
your_query;
select *
from table(dbms_xplan.display(null, null, 'ALL'));Post it alongwith below details between {noformat}{noformat} (exactly as specified) tags to preserve formatting and ease of understanding.
On your requirement,
Using UNIONALL you will get two set of rows, with UNION you might get a single row if your MATCH_FLAG are same for both queries. Use of either, has to meet your requirements than to meet your performance. If it is Business Acceptable, then look for performance and tuning.
If you could do the folllowing, it might be helpful for you.
1. Post the Sample table structure (Table information of Candidates should suffice) in a Create Table/With Sub-Query clause.
2. Sample Data in Insert Into/With Sub-Query format.
3. Expected Outcome based on Sample data
4. The Explain Plan of your Queries as requested above.
Reason of asking these details are, there might be a way to avoid Hitting the table Twice and avoid use of UNION/UNIONALL clauses. -
How to use row_number() with distinct ?
I want all the selected in distinct display but it only can display (a) table. How can i add more table in select row_number() ??
Here is my query.
SELECT
ROW_NUMBER() OVER (ORDER BY a.student_number) as No
FROM
SELECT DISTINCT
TO_CHAR(TO_DATE(c.study_intake, 'yyyymm'), upper('mon yyyy')) AS Study_intake,
a.student_number,
a.name,
b.course_code,
b.academic_semester,
e.qualification,
e.school,
e.state,
f.school_town,
a.permanent_tel_no,
a.mobile_no
FROM
student_data a,
student_course_master b,
student_course_detail_subject c,
student_qualification e,
school_master f
WHERE
a.student_number = b.student_number
AND b.student_key = c.student_key
AND e.student_key = a.student_key
AND b.student_course_status IN ('Completed','Active')
AND e.school = f.school_name(+)
AND e.state = f.state(+)
)aDid not get any help from them ;)
Regards,
Guru
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