Help with ansi joins
hi all
i have this query in which i have used ansi joins,not an expert though on ansi joins ...got to knw abt ansi joins only today
SELECT abc.vendor_number, abc.vendor_name, api.invoice_amount,
api.invoice_date, api.invoice_type_lookup_code, api.invoice_num,
avp.prepay_number, api.description, --,avp.INVOICE_CURRENCY_CODE CCY,
aup.prepay_amount_applied,
aup.prepay_amount_remaining,
SUM (-avp.prepay_amount_remaining * NVL (api.exchange_rate, 1)
) prepaid_available,
'1234' voucher_number
FROM ap_invoices_v api INNER JOIN ap_invoice_distributions_v aid ON ( api.invoice_id =
aid.invoice_id
AND api.invoice_type_lookup_code =
'PREPAYMENT'
AND api.invoice_num =
'5'
), ap_invoices_v api LEFT OUTER JOIN ap_apply_prepays_v avp ON (api.invoice_id =
avp.invoice_id
ap_invoices_v api INNER JOIN ap_checks_v abc ON (abc.vendor_id =
api.vendor_id
), ap_invoice_payments abb LEFT OUTER JOIN ap_apply_prepays_v avp ON (abb.invoice_id =
avp.invoice_id
ap_invoice_distributions_v aid LEFT OUTER JOIN ap_unapply_prepays_v aup ON (aid.invoice_distribution_id =
aup.prepay_distribution_id
ap_unapply_prepays_v aup LEFT OUTER JOIN ap_apply_prepays_v avp ON (aup.prepay_distribution_id =
avp.invoice_distribution_id
), ap_invoices_v api INNER JOIN ap_invoice_payments abb ON (abb.invoice_id =
api.invoice_id
)i am getting column ambigously
defined in the select clause,is there another way to refer to the columns?
kindly guide
thanking in advance
Edited by: makdutakdu on Dec 20, 2011 11:28 AM
what is it?
ap_invoices_v api INNER JOIN ap_invoice_distributions_v aid ON ( api.invoice_id =
aid.invoice_id
AND api.invoice_type_lookup_code =
'PREPAYMENT'
AND api.invoice_num =
'5'
), ap_invoices_v api LEFT OUTER JOIN ap_apply_prepays_v avp ON (api.invoice_id =
avp.invoice_id
..use
ap_invoices_v api INNER JOIN ap_invoice_distributions_v aid ON ( api.invoice_id =
aid.invoice_id
AND api.invoice_type_lookup_code =
'PREPAYMENT'
AND api.invoice_num =
'5'
) LEFT OUTER JOIN ap_apply_prepays_v avp ON (api.invoice_id =
avp.invoice_id
...
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;Edited by: Frank Kulash on Feb 22, 2010 7:09 PM
Upon sober reflection, I think that a Top-Down query, like the one below, would be more efficient than a Bottom-Up query, like the one above:
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Please remove the @dblink stuff in the column descrptions or use a table alias. This should help.
drop database link lokal;
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Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-AUG-09','DD-MON-RR HH.MI.SSXFF AM'),3);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-AUG-09','DD-MON-RR HH.MI.SSXFF AM'),1);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),14);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),9);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),13);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),10);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),6);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),3);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-SEP-09','DD-MON-RR HH.MI.SSXFF AM'),1);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),14);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),9);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),13);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),10);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),6);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),3);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('26-OCT-09','DD-MON-RR HH.MI.SSXFF AM'),1);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),14);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),9);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),13);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),10);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),6);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),3);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('24-NOV-09','DD-MON-RR HH.MI.SSXFF AM'),1);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),9);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),13);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),10);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),6);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),3);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),1);
Insert into PS (DATE_TIME,ENTITY_ID) values (to_timestamp('25-DEC-09','DD-MON-RR HH.MI.SSXFF AM'),14);
Entity:
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (1,'AAA');
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (3,'CCC');
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (6,'DDD');
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (9,'EEE');
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (10,'FFF');
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (13,'GGG');
Insert into ENTITY (ENTITY_ID,ENTITY_ADDRESS) values (14,'HHH');
I want to display data for each entity available in entity table
What is wrong with this query??
Select ps.date_time,ps.entity_id,et.entity_id from entity et left outer join PS ps on (et.entity_id = ps.entity_id)
This query gives me result like
26-DEC-08 1 1
26-DEC-08 3 3
26-DEC-08 6 6
26-DEC-08 10 10
26-DEC-08 13 13
27-JAN-09 13 13
27-JAN-09 10 10
27-JAN-09 6 6
27-JAN-09 3 3
27-JAN-09 1 1...
But for 26-Dec-08, i want to display
26-DEC-08 1 1
26-DEC-08 3 3
26-DEC-08 6 6
26-DEC-08 10 10
26-DEC-08 13 13
26-DEC-08 NULL 9
26-DEC-09 NULL 14
27-JAN-09 13 13
27-JAN-09 10 10
27-JAN-09 6 6
27-JAN-09 3 3
27-JAN-09 1 1
But the unmatching ids are not displaying when i am using the outer join..please help me..Almost there.
In this case you need a partitioned outer join, partitioning by date_time:
SQL> Select ps.date_time
2 , ps.entity_id
3 , et.entity_id
4 from ps partition by (ps.date_time)
5 right outer join entity et on (et.entity_id = ps.entity_id)
6 /
DATE_TIME ENTITY_ID ENTITY_ID
26-12-08 00:00:00,000000 1 1
26-12-08 00:00:00,000000 3 3
26-12-08 00:00:00,000000 6 6
26-12-08 00:00:00,000000 9
26-12-08 00:00:00,000000 10 10
26-12-08 00:00:00,000000 13 13
26-12-08 00:00:00,000000 14
27-01-09 00:00:00,000000 1 1
27-01-09 00:00:00,000000 3 3
27-01-09 00:00:00,000000 6 6
27-01-09 00:00:00,000000 9
27-01-09 00:00:00,000000 10 10
27-01-09 00:00:00,000000 13 13
27-01-09 00:00:00,000000 14
26-02-09 00:00:00,000000 1 1
26-02-09 00:00:00,000000 3 3
26-02-09 00:00:00,000000 6 6
26-02-09 00:00:00,000000 9
26-02-09 00:00:00,000000 10 10
26-02-09 00:00:00,000000 13 13
26-02-09 00:00:00,000000 14
30-03-09 00:00:00,000000 1 1
30-03-09 00:00:00,000000 3 3
30-03-09 00:00:00,000000 6 6
30-03-09 00:00:00,000000 9
30-03-09 00:00:00,000000 10 10
30-03-09 00:00:00,000000 13 13
30-03-09 00:00:00,000000 14
28-04-09 00:00:00,000000 1 1
28-04-09 00:00:00,000000 3 3
28-04-09 00:00:00,000000 6 6
28-04-09 00:00:00,000000 9
28-04-09 00:00:00,000000 10 10
28-04-09 00:00:00,000000 13 13
28-04-09 00:00:00,000000 14
29-05-09 00:00:00,000000 1 1
29-05-09 00:00:00,000000 3 3
29-05-09 00:00:00,000000 6 6
29-05-09 00:00:00,000000 9 9
29-05-09 00:00:00,000000 10 10
29-05-09 00:00:00,000000 13 13
29-05-09 00:00:00,000000 14 14
26-06-09 00:00:00,000000 1 1
26-06-09 00:00:00,000000 3 3
26-06-09 00:00:00,000000 6 6
26-06-09 00:00:00,000000 9
26-06-09 00:00:00,000000 10 10
26-06-09 00:00:00,000000 13 13
26-06-09 00:00:00,000000 14
28-07-09 00:00:00,000000 1 1
28-07-09 00:00:00,000000 3 3
28-07-09 00:00:00,000000 6 6
28-07-09 00:00:00,000000 9 9
28-07-09 00:00:00,000000 10 10
28-07-09 00:00:00,000000 13 13
28-07-09 00:00:00,000000 14 14
26-08-09 00:00:00,000000 1 1
26-08-09 00:00:00,000000 3 3
26-08-09 00:00:00,000000 6 6
26-08-09 00:00:00,000000 9 9
26-08-09 00:00:00,000000 10 10
26-08-09 00:00:00,000000 13 13
26-08-09 00:00:00,000000 14 14
25-09-09 00:00:00,000000 1 1
25-09-09 00:00:00,000000 3 3
25-09-09 00:00:00,000000 6 6
25-09-09 00:00:00,000000 9 9
25-09-09 00:00:00,000000 10 10
25-09-09 00:00:00,000000 13 13
25-09-09 00:00:00,000000 14 14
26-10-09 00:00:00,000000 1 1
26-10-09 00:00:00,000000 3 3
26-10-09 00:00:00,000000 6 6
26-10-09 00:00:00,000000 9 9
26-10-09 00:00:00,000000 10 10
26-10-09 00:00:00,000000 13 13
26-10-09 00:00:00,000000 14 14
24-11-09 00:00:00,000000 1 1
24-11-09 00:00:00,000000 3 3
24-11-09 00:00:00,000000 6 6
24-11-09 00:00:00,000000 9 9
24-11-09 00:00:00,000000 10 10
24-11-09 00:00:00,000000 13 13
24-11-09 00:00:00,000000 14 14
25-12-09 00:00:00,000000 1 1
25-12-09 00:00:00,000000 3 3
25-12-09 00:00:00,000000 6 6
25-12-09 00:00:00,000000 9 9
25-12-09 00:00:00,000000 10 10
25-12-09 00:00:00,000000 13 13
25-12-09 00:00:00,000000 14 14
91 rijen zijn geselecteerd.Partitioned outer join became available somewhere during version 10. They are described here: http://download.oracle.com/docs/cd/B28359_01/server.111/b28314/tdpdw_sql.htm#TDPDW00736
Regards,
Rob. -
Need help with query joining several tables into a single return line
what i have:
tableA:
puid, task
id0, task0
id1, task1
id2, task2
tableB:
puid, seq, state
id0, 0, foo
id0, 1, bar
id0, 2, me
id1, 0, foo
id2, 0, foo
id2, 1, bar
tableC:
puid, seq, date
id0, 0, 12/21
id0, 1, 12/22
id0, 2, 12/22
id1, 0, 12/23
id2, 0, 12/22
id2, 1, 12/23
what i'd like to return:
id0, task0, 12/21, 12/22, 12/22
id1, task1, 12/23, N/A, N/A
id2, task2, 12/22, 12/23, N/A
N/A doesn't mean return the string "N/A"... it just means there was no value, so we don't need anything in this column (null?)
i can get output like below through several joins, however i was hoping to condense each "id" into a single line...
id0, task0, 12/21
id0, task0, 12/22
id0, task0, 12/23
id1, task1, 12/23
is this possible fairly easily?
Edited by: user9979830 on Mar 29, 2011 10:53 AM
Edited by: user9979830 on Mar 29, 2011 10:58 AMHi,
Welcome to the forum!
user9979830 wrote:
what i have:...Thanks for posting that so clearly!
Whenever you have a question, it's even better if you post CREATE TABLE and INSERT statements for your sample data, like this:
CREATE TABLE tablea
( puid VARCHAR2 (5)
, task VARCHAR2 (5)
INSERT INTO tablea (puid, task) VALUES ('id0', 'task0');
INSERT INTO tablea (puid, task) VALUES ('id1', 'task1');
INSERT INTO tablea (puid, task) VALUES ('id2', 'task2');
CREATE TABLE tablec
( puid VARCHAR2 (5)
, seq NUMBER (3)
, dt DATE -- DATE is not a good column name
INSERT INTO tablec (puid, seq, dt) VALUES ('id0', 0, DATE '2010-12-21');
INSERT INTO tablec (puid, seq, dt) VALUES ('id0', 1, DATE '2010-12-22');
INSERT INTO tablec (puid, seq, dt) VALUES ('id0', 2, DATE '2010-12-22');
INSERT INTO tablec (puid, seq, dt) VALUES ('id1', 0, DATE '2010-12-23');
INSERT INTO tablec (puid, seq, dt) VALUES ('id2', 0, DATE '2010-12-22');
INSERT INTO tablec (puid, seq, dt) VALUES ('id2', 1, DATE '2010-12-23');This way, people can re-create the problem and test their ideas.
It doesn't look like tableb plays any role in this problem, so I didn't post it.
Explain how you get the results from that data. For example, why do you want this row in the results:
PUID TASK DT1 DT2 DT3
id0 task0 12/21/2010 12/22/2010 12/22/2010rather than, say
PUID TASK DT1 DT2 DT3
id0 task0 12/22/2010 12/21/2010 12/22/2010? Does 12/21 have to go in the first column because it is the earliest date, or is it because 12/21 is related to the lowest seq value? Or do you even care about the order, just as long as all 3 dates are shown?
Always say what version of Oracle you're uisng. The query below will work in Oracle 9 (and up), but starting in Oracle 11, the SELECT ... PIVOT feature could help you.
i can get output like below through several joins, however i was hoping to condense each "id" into a single line... Condensing the output, so that there's only one line for each puid, sounds like a job for "GROUP BY puid":
WITH got_r_num AS
SELECT puid
, dt
, ROW_NUMBER () OVER ( PARTITION BY puid
ORDER BY seq -- and/or dt
) AS r_num
FROM tablec
-- WHERE ... -- If you need any filtering, put it here
SELECT a.puid
, a.task
, MIN (CASE WHEN r.r_num = 1 THEN r.dt END) AS dt1
, MIN (CASE WHEN r.r_num = 2 THEN r.dt END) AS dt2
, MIN (CASE WHEN r.r_num = 3 THEN r.dt END) AS dt3
, MIN (CASE WHEN r.r_num = 4 THEN r.dt END) AS dt4
FROM tablea a
JOIN got_r_num r ON a.puid = r.puid
GROUP BY a.puid
, a.task
ORDER BY a.puid
;I'm guessing that you want the dates arranged by seq; that is, for each puid, the date related to the lowest seq comes first, regardless of whther that date is the earliest date for that puid or not. If that's not what you need, then change the analytic ORDER BY clause.
This does not assume that the seq values are always consecutive integers (0, 1, 2, ...) for each puid. You can skip, or even duplicate values. However, if the values are always consecutive integers, starting from 0, then you could simplify this. You won't need a sub-query at all; just use seq instead of r_num in the main query.
Here's the output I got from the query above:
PUID TASK DT1 DT2 DT3 DT4
id0 task0 12/21/2010 12/22/2010 12/22/2010
id1 task1 12/23/2010
id2 task2 12/22/2010 12/23/2010As posted, the query will display the first 4 dts for each puid.
If there are fewer than 4 dts for a puid, the query will still work. It will leave some columns NULL at the end.
If there are more than 4 dts for a puid, the query will still work. It will display the first 4, and ignore the others.
There's nothing special about the number 4; you could make it 3, or 5, or 35, but whatever number you choose, you have to hard-code that many columns into the query, and always get that many columns of output.
For various ways to deal with a variable number of pivoted coolumns, see the following thread:
PL/SQL
This question actually doesn't have anything to do with SQL*Plus; it's strictly a SQL question, and SQL questions are best posted on the "SQL and PL/SQL" forum:
PL/SQL
If you're not sure whether a question is more of a SQL question or a SQL*Plus question, then post it on the SQL forum. Many more people pay attention to that forum than to this one. -
I have three tables, photos, comments and prices. Their
structures (abbreviated) are as follows:
photos
photoID
photoTitle
prices
priceID
priceValue
photoID_fk
comments
commentID
commentText
photoID_fk
What I need to do is be able to display a list of photos with
their correlating prices and comments, like so:
Photo 1
Price 1
Price 2
Comment 1
comment 2
Photo 2
Price 1
Price 2
Photo 3
Price 1
Price 2
Comment 1
Notice that while each photo will always have the same number
of "price" values, some might have comments and some might not.
I will list the code that I have thus far, but let me briefly
explain what is happening. With the setup I currently have, the
photos display in the proper order with their proper price values
and comments (if any). Unfortunately, on the ones WITH comments,
the list of prices duplicates to match the number of comments
returned. So, if Photo 1 has two comments, it will return "Price 1
Price 2 Price 1 Price 2" for the output of the price section.
I have been pulling my hair out over this, and any help that
anyone could provide would be greatly appreciated and will
potentially save my life.Dan--
Thanks, as always, for your response. Your solution solved
the problem!
As to my database needs, the comments are related only to the
photos.
Basically, I have a a table that holds all information about
photos in a gallery. I have another table which holds all the
comments that users make about the photos. Finally, each and every
photo has 8 sizes (all the same) for sale. So, I don't think the
MTM relationship is there.
Initially, I was simply going to put Size1, Size2, etc. in
the photos table. However, my client wants to be able to add and/or
remove sizes in the future. Therefore, I thought it would be easier
if every photo was given "x" number of entries in the prices table,
where "x" is the number of total price categories (currently 8).
I don't want to monopolize more of your time, but if you have
a second, I would be interested in hearing a more developed
explanation of the restructuring that you proposed at the end of
your last response. If you do not have time, I understand of
course.
Thanks a million for your help on this! -
Hi,
I am looking for the following result:
PROVIDER_ID SPECIALTY BUCKET CODE RATING FEE
1 FP EM 100 9 20
1 FP SP 300 15 0
1 INFUS EM 100 3 20
1 INFUS EM 200 6 15The base tables are provided below in the with clause. What I am trying to do is, where "code" matches show the fee from t1 else show 0.
I tried a few variotions but just can't seem to get it right.
with t1 as
select 1 as provider_id, 100 as code, 20 as fee, 10 as default_multiplier from dual union all
select 1 as provider_id, 200 as code, 15 as fee, 30 as default_multiplier from dual
, t2 as
select 100 as code, 'INFUS' AS specialty, 'EM' AS bucket, 3 as rating from dual union all
select 200 as code, 'INFUS' AS specialty, 'EM' AS bucket, 6 as rating from dual union all
select 100 as code, 'FP' AS specialty, 'EM' AS bucket, 9 as rating from dual union all
select 300 as code, 'FP' AS specialty, 'SP' AS bucket, 15 as rating from dual
SELECT t1.provider_id
, t2.specialty
, t2.bucket
, t2.code
, t2.rating
, t1.fee
FROM t1, t2
ORDER BY 1, 2, 3Any help will be appreciated.
Thanks.Could I possibly add one more twist to this.
The current result:
PROVIDER_ID SPECI BU CODE RATING FEE
1 FP EM 100 9 20
1 FP SP 300 15 0
1 INFUS EM 100 3 20
1 INFUS EM 200 6 75
2 FP EM 100 9 40
2 FP SP 300 15 0
2 INFUS EM 100 3 40
2 INFUS EM 200 6 0
3 FP EM 100 9 0
3 FP SP 300 15 0
3 INFUS EM 100 3 0
3 INFUS EM 200 6 60The current code:
with t1 as
select 1 as provider_id, 100 as code, 20 as fee, 10 as default_multiplier from dual union all
select 1 as provider_id, 200 as code, 75 as fee, 10 as default_multiplier from dual union all
select 1 as provider_id, 500 as code, 75 as fee, 10 as default_multiplier from dual union all
select 2 as provider_id, 100 as code, 40 as fee, 20 as default_multiplier from dual union all
select 3 as provider_id, 200 as code, 60 as fee, 30 as default_multiplier from dual
, t2 as
select 100 as code, 'INFUS' AS specialty, 'EM' AS bucket, 3 as rating from dual union all
select 200 as code, 'INFUS' AS specialty, 'EM' AS bucket, 6 as rating from dual union all
select 100 as code, 'FP' AS specialty, 'EM' AS bucket, 9 as rating from dual union all
select 300 as code, 'FP' AS specialty, 'SP' AS bucket, 15 as rating from dual
, t3 as
SELECT t1.provider_id
, t2.specialty
, t2.bucket
, t2.code
, t2.rating
, CASE t1.code
WHEN t2.code
THEN t1.fee
ELSE 0
END AS fee
, RANK () OVER (PARTITION BY t1.provider_id, t2.specialty, t2.bucket, t2.code ORDER BY CASE t1.code
WHEN t2.code
THEN t1.fee
ELSE 0
END DESC) AS the_rank
FROM t1
, t2
SELECT DISTINCT provider_id
, specialty
, bucket
, code
, rating
, fee
FROM t3
WHERE the_rank = 1
ORDER BY 1
, 2
, 3
, 4I added the code 500 to t1. Howevere, I don't want this code to show up in the result becuase it is does not exist in t2.
I also added code 200 to t1, to see if that shows properly.
I had to do the rank, becuase I need the proper count of rows.
In reality the row counts are:
t1: 20 Million
t2: 10 Thousand.
So, I would like to avoid doing DISTINCT and ANALYTIC functions on this large set, so any better way of achiving the same result, with a better statement.
Thanks. -
Need help with inner join and distinct rows
Hey Guys,
i have
1) BaseEnv Table
2) Link Table
3) BaseData Table
Link table has three columns Id,BaseEnvId,BaseDataId
the BaseEnvID is unique in the table where as BaseDataId can be repeated i.e multile rows of BaseEnv Table can point to same BaseData table row
Now i want to do BaseEnvTable inner join Link Table inner join BaseData Table and select 5 columsn ; Name,SyncName,Version,PPO,DOM from the BaseData table.. the problem is that after i do the inner join I get duplciate records..
i want to eliminate the duplicate records , can any one help me herePlease post DDL, so that people do not have to guess what the keys, constraints, Declarative Referential Integrity, data types, etc. in your schema are. Learn how to follow ISO-11179 data element naming conventions and formatting rules. Temporal data should
use ISO-8601 formats. Code should be in Standard SQL as much as possible and not local dialect.
This is minimal polite behavior on SQL forums. Now we have to guess and type, guess and type, etc. because of your bad manners.
CREATE TABLE Base_Env
(base_env_id CHAR(10) NOT NULL PRIMARY KEY,
Think about the name Base_Data; do you have lots of tables without data? Silly, unh?
CREATE TABLE Base_Data
(base_data_id CHAR(10) NOT NULL PRIMARY KEY,
Your Links table is wrong in concept and implementation. The term “link” refers to a pointer chain structure used in network databases and makes no sense in RDBMS. There is no generic, magic, universal “id” in RDBMS! People that do this are called “id-iots”
in SQL slang.
We can model a particular relationship in a table by referencing the keys in other tables. But we need to know if the relationship is 1:1, 1:m, or n:m. This is the membership of the relationship. Your narrative implies this:
CREATE TABLE Links
(base_env_id CHAR(10) NOT NULL UNIQUE
REFERENCES Base_Env (base_env_id),
base_data_id CHAR(10) NOT NULL
REFERENCES Base_Data (base_data_id));
>> The base_env_id is unique in the table where as base_data_id can be repeated I.e multiple rows of Base_Env Table can point [sic] to same Base_Data table row. <<
Again, RDBMS has no pointers! We have referenced an referencing tables. This is a fundamental concept.
That narrative you posted has no ON clauses! And the narrative is also wrong. There is no generic “name”, etc. What tables were used in your non-query? Replace the ?? in this skeleton:
SELECT ??.something_name, ??.sync_name, ??.something_version,
??.ppo, ??.dom
FROM Base_Env AS E, Links AS L, Base_Data AS D
WHERE ?????????;
>> I want to eliminate the duplicate records [sic], can any one help me here?<<
Where is the sample data? Where is the results? Please read a book on RDBMS so you can post correct SQL and try again.
--CELKO-- Books in Celko Series for Morgan-Kaufmann Publishing: Analytics and OLAP in SQL / Data and Databases: Concepts in Practice Data / Measurements and Standards in SQL SQL for Smarties / SQL Programming Style / SQL Puzzles and Answers / Thinking
in Sets / Trees and Hierarchies in SQL -
Hello people,
I have the table MENUS on 9i with the folowing fields:
MENU_ID, PARENT_ID, MENUNAME,...
and some sample data:
0,999999,ROOT
7,0,NETWORK
6,0,SERVICES
100,0,CUSTOMERS
74,7,MONITORING
88889081,7,CONFIG
88890006,7,TEST
88890049,7 TEST II
88889163,6,MAIL
61,6,SMS
So PARENT_ID shows under which menu the submenu exists.
I need to create the below report:
ROOT
*NETWORK
**CONFIG
**TEST
**TEST II
*SERVICES
**MAIL
**SMS
*CUSTOMERS
Stars or any other way to identify the level depth will be very handful.
Thank you in advance.Hi,
Try to relate with this example on emp table.
select empno,ename,level,sys_connect_by_path(ename,'/') as path
from emp
start with mgr is null
connect by prior empno=mgrOutput
EMPNO ENAME LEVEL PATH
7839 KING 1 /KING
7566 JONES 2 /KING/JONES
7788 SCOTT 3 /KING/JONES/SCOTT
7876 ADAMS 4 /KING/JONES/SCOTT/ADAMS
7902 FORD 3 /KING/JONES/FORD
7369 SMITH 4 /KING/JONES/FORD/SMITH
7698 BLAKE 2 /KING/BLAKE
7499 ALLEN 3 /KING/BLAKE/ALLEN
7521 WARD 3 /KING/BLAKE/WARD
7654 MARTIN 3 /KING/BLAKE/MARTIN Hope it helps
CKLP
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