Down to Top approach query help..
Dear All,
Best wishes,
actaully my table has 4 columns.
like
control no,Po Number,Amend No,Factor.
scenario is : each control no ---> can have multiple PO numbers ---> each po can have multiple amend ----> each amend have different factor..
Now i want to see result like branch ---> Tree ( down to up approach data) ..
like count of each casual factor --- for each amend ---how many amend for po and min and max of amend value ---> how many po for control..
Please suggest some query..
thanks you in advance
Prasanth
Please consider the following when you post a question.
1. New features keep coming in every oracle version so please provide Your Oracle DB Version to get the best possible answer.
You can use the following query and do a copy past of the output.
select * from v$version 2. This forum has a very good Search Feature. Please use that before posting your question. Because for most of the questions
that are asked the answer is already there.
3. We dont know your DB structure or How your Data is. So you need to let us know. The best way would be to give some sample data like this.
I have the following table called sales
with sales
as
select 1 sales_id, 1 prod_id, 1001 inv_num, 120 qty from dual
union all
select 2 sales_id, 1 prod_id, 1002 inv_num, 25 qty from dual
select *
from sales 4. Rather than telling what you want in words its more easier when you give your expected output.
For example in the above sales table, I want to know the total quantity and number of invoice for each product.
The output should look like this
Prod_id sum_qty count_inv
1 145 2 5. When ever you get an error message post the entire error message. With the Error Number, The message and the Line number.
6. Next thing is a very important thing to remember. Please post only well formatted code. Unformatted code is very hard to read.
Your code format gets lost when you post it in the Oracle Forum. So in order to preserve it you need to
use the {noformat}{noformat} tags.
The usage of the tag is like this.
<place your code here>\
7. If you are posting a *Performance Related Question*. Please read
{thread:id=501834} and {thread:id=863295}.
Following those guide will be very helpful.
8. Please keep in mind that this is a public forum. Here No question is URGENT.
So use of words like *URGENT* or *ASAP* (As Soon As Possible) are considered to be rude.
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Hi,
I want to show top 3 salary records from emp table and I am using below query in oracle * plus. However I am getting an error saying, "FROM keyword not found where expected". I am not getting what mistake I am doing while writing this query. Can someone plz advice?
Query:
Select top 3 sal from emp;
Thanks in advance.Hi,
In Oracle, there is no TOP keyword. The usual way to do a top-N query in Oracle is to use an analytic function, such as RANK:
WITH got_r_num AS
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Hi ,
Please help me on this…
Select * from EMP where Emp_Type in (1, 2 ) order by Emp_Type;
the above query gives me the result like this
Emp_Id Name Emp_Type
100 asas 1
101 dsds 1
122 gfgf 1
154 ytytyt 1
125 uyuy 1
153 reree 2
154 ytytt 2
600 trtrtr 2
700 gfghf 2
If I pass the Start with num 2 and give 3 as number of records to be displayed. I need to retrieve only the following rows..
Emp_Id Name Emp_Type
101 dsds 1
122 gfgf 1
154 ytytyt 1
154 ytytt 2
600 trtrtr 2
700 gfghf 2
If the Emp_Type was only one ie,
Select * from EMP where Emp_Type in (1) order by Emp_Type;
I know I can get it done by using TOP-N query method
select * from
(Select rownum RWnum ,A.* From
(Select * from EMP where Emp_Type in (1) order by Emp_Type) A
where rownum<=4)
where RWnum>=2;
but I am stuck up with doing for multiple Emp_Type..
here the Emp_Type could be more than two values…
Regards
Ben NarendranHi muthukumar S,dnikiforv,Vsugur
Thanks a lot for the analytical function ROW_NUMBER().
But still have some concern about the query you have given..
Let me first run the inner query.
SQL>
SQL > Select e.*,row_number() over(partition by Emp_Type order by Emp_Type) rno from
EMP e where Emp_Type in (1, 2 ) order by Emp_Type;
EMP_ID NAME EMP_TYPE RNO
154 aaa 1 1
101 dsds 1 2
122 gfgf 1 3
125 aaa 1 4
100 asas 1 5
700 gfghf 2 1
600 trtrtr 2 2
153 reree 2 3
If I give the range from 2 and 3 am suppose to get the following rows.
EMP_ID NAME EMP_TYPE RNO
101 dsds 1 2
122 gfgf 1 3
600 trtrtr 2 2
153 reree 2 3
when I run the query you sent am getting the following result..
SQL > select * from
(Select e.*,row_number() over(partition by Emp_Type order by Emp_Type) rno from
EMP e where Emp_Type in (1, 2 ) order by Emp_Type)
where rno between 2 and 3;
EMP_ID NAME EMP_TYPE RNO
101 dsds 1 2
154 aaa 1 3
600 trtrtr 2 2
700 gfghf 2 3
Here the company id 700 is not suppose to come, instead I have to get 153.
So I made some changes in the view and , wrote it like this
SQL> select * from
(select rno Rwnum,Outer_Qry.* from
(select Real_Qry.*,row_number() over(partition by emp_type order by emp_type)rno
from
(select emp_id,name,emp_type from emp where emp_type in (1,2) order by emp_type)Real_Qry)Outer_Qry
where rno <=3)
where Rwnum >=2;
RWNUM EMP_ID NAME EMP_TYPE RNO
2 101 dsds 1 2
3 122 gfgf 1 3
2 600 trtrtr 2 2
3 153 reree 2 3
I guess now am getting the correct result..
Please correct me if I am wrong, and please let me know if I have to make any modification on it..
Thanks and regards
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Displaying the result of the TOP N query
Hi all,
we are facing a challenging task were we are going to build a query that gives the answer on the question:
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Dear All,
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ora - 00907 missing right parenthesis error
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or VIEW. Since this feature is available in SQL, but not in PL/SQL,
it has been logged as a Bug that will be fixed in 8.1.6."
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Hi,
Is there any query to get the top utilization query of the day?Hi,
Top CPU utilizing query
--This might take some time to give result on busy systemselect top 10
sum(qs.total_worker_time) as total_cpu_time,
sum(qs.execution_count) as total_execution_count,
count(*) as number_of_statements,
t.text
from
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My TechNet Wiki Articles -
How to find top utilized query for last two months in oem
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Move Label From Down To Top The Frame?
greetings all
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if (y > 0)
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import java.awt.*;
import javax.swing.Timer;
import java.awt.event.ActionEvent;
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panel.add(label2);
frame.add(panel);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
new Timer(DELAY_TIME, new ActionListener()
public void actionPerformed(ActionEvent ae)
if (y > 0)
y -= DELTA_Y;
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label2.setLocation(X_POS,y-40);
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http://forum.java.sun.com/thread.jsp?forum=45&thread=471180&tstart=15&trange=15
It seems I have confused enough people with my improper presentation of query. Sorry guys. I will restate my question with different table names.
The above was my previous posting, which was not clear..so Iam restating my problem as follows....
I have the following tables
Customer(custID, Name, Address)
Order(custID, OrderID, orderDate)
CreditCard(custID, creditCard#, creditCardType)
Now if I have 3 records in Order with custID 100 and 2 records in CreditCard as
Order:
100,A001,11/22/03
100,A002,11/24/03
100,A003,12/02/03
CreditCard:
100,42323232..., VISA
100,5234234...., MASTER
Now how can I get
custID, Name, Address, OrderID, orderDate, creditCard#, creditCarType
data in minimum no. of records....
I think I have made my query clear..
now please help me guys...
thanks so much for your help.You are right.
But frankly the actual tables on my database are not customer,orders and creditcards..but I just tried to reproduce the problem with these tables, please ignore that user needs a refund etc situtaion. If the tables were actually order,creditcards etc..it would have been a problem to be considered.
Can you please help me with the query
if I have m rows in Order and n rows in CreditCard. I will get m*n records, I looking for max(m,n).
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custID, Name, Address, OrderID, orderDate, creditCard#, creditCarType
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In some of the Help Files (HTML Help), i've seen a Font
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Top N query with INLIST Iterator performance problem
I have a top N query that is giving me problems on Oracle 11.2.0.3.
First of all, I have a query like the following (simplified from the real query, but produces the same problem):
select /*+ gather_plan_statistics */ * from
select rowid
from payer_subscription ps
where ps.subscription_status = :i_subscription_status
and ps.merchant_id = :merchant_id2
order by transaction_date desc
) where rownum <= :i_rowcount; This query works well. It can very efficiently find me the top 10 rows for a massive data set, using an index on merchant_id, subscription_status, transaction_date.
| Id | Operation | Name | Starts | E-Rows | A-Rows | A-Time | Buffers |
| 0 | SELECT STATEMENT | | 1 | | 10 |00:00:00.01 | 4 |
|* 1 | COUNT STOPKEY | | 1 | | 10 |00:00:00.01 | 4 |
| 2 | VIEW | | 1 | 11 | 10 |00:00:00.01 | 4 |
|* 3 | INDEX RANGE SCAN DESCENDING| SODTEST2_IX | 1 | 100 | 10 |00:00:00.01 | 4 |
-------------------------------------------------------------------------------------------------------As you can see the estimated actual rows at each stage are 10, which is correct.
Now, I have a requirement to get the top N records for a set of merchant_Ids, so if I change the query to include two merchant_ids, the performance tanks:
select /*+ gather_plan_statistics */ * from
select rowid
from payer_subscription ps
where ps.subscription_status = :i_subscription_status
and (ps.merchant_id = :merchant_id or
ps.merchant_id = :merchant_id2 )
order by transaction_date desc
) where rownum <= :i_rowcount;
| Id | Operation | Name | Starts | E-Rows | A-Rows | A-Time | Buffers | OMem | 1Mem | Used-Mem |
| 0 | SELECT STATEMENT | | 1 | | 10 |00:00:00.17 | 178 | | | |
|* 1 | COUNT STOPKEY | | 1 | | 10 |00:00:00.17 | 178 | | | |
| 2 | VIEW | | 1 | 200 | 10 |00:00:00.17 | 178 | | | |
|* 3 | SORT ORDER BY STOPKEY| | 1 | 200 | 10 |00:00:00.17 | 178 | 2048 | 2048 | 2048 (0)|
| 4 | INLIST ITERATOR | | 1 | | 42385 |00:00:00.10 | 178 | | | |
|* 5 | INDEX RANGE SCAN | SODTEST2_IX | 2 | 200 | 42385 |00:00:00.06 | 178 | | | |Notice now that there are 42K rows coming out of the two index range scans - Oracle is no longer aborting the index range scan when it reaches 10 rows. What I thought would happen, is that Oracle would get at most 10 rows for each merchant_id, knowing that at most 10 rows are to be returned by the query. Then it would sort that 10 + 10 rows and output the top 10 based on the transaction date, but it refuses to do that.
Does anyone know how I can get the performance of the first query, when I need to pass a list of merchants into the query? I could probably get the performance using a union all, but the list of merchants is variable, and could be anywhere between 1 or 2 to several 100, so that makes that a bit unworkable.Across the two merchants_id's there are about 42K rows (this is in test, on Prod there could be several million). In the first query example, Oracle can answer the query in about 4 logical IOs and without even doing a sort as it uses the index to scan and get the relevant rows in Oracle.
In the second case, I hoped it would pull 10 rows for each merchant_id and then sort the resulting 20 rows to find the top 10 ordered by transaction_date, but instead it is scanning far more rows than it needs to.
In my example, it takes 4 logical IOs to answer the first query, but ~ 170 to answer the second, while I think it is achievable in 8 or so. For example, this query does what I want, but it is not a feasible option due to how many merchant_id's I may have to deal with:
select /*+ gather_plan_statistics */ *
from
select *
from
select * from
select merchant_id, transaction_date
from payer_subscription ps
where ps.subscription_status = :i_subscription_status
and ps.merchant_id = :merchant_id
order by transaction_date desc
) where rownum <= :i_rowcount
union all
select * from
select merchant_id, transaction_date
from payer_subscription ps
where ps.subscription_status = :i_subscription_status
and ps.merchant_id = :merchant_id2
order by transaction_date desc
) where rownum <= :i_rowcount
) order by transaction_date desc
) where rownum <= :i_rowcount;
| Id | Operation | Name | Starts | E-Rows | A-Rows | A-Time | Buffers | OMem | 1Mem | Used-Mem |
| 0 | SELECT STATEMENT | | 1 | | 10 |00:00:00.01 | 6 | | | |
|* 1 | COUNT STOPKEY | | 1 | | 10 |00:00:00.01 | 6 | | | |
| 2 | VIEW | | 1 | 20 | 10 |00:00:00.01 | 6 | | | |
|* 3 | SORT ORDER BY STOPKEY | | 1 | 20 | 10 |00:00:00.01 | 6 | 2048 | 2048 | 2048 (0)|
| 4 | VIEW | | 1 | 20 | 20 |00:00:00.01 | 6 | | | |
| 5 | UNION-ALL | | 1 | | 20 |00:00:00.01 | 6 | | | |
|* 6 | COUNT STOPKEY | | 1 | | 10 |00:00:00.01 | 3 | | | |
| 7 | VIEW | | 1 | 100 | 10 |00:00:00.01 | 3 | | | |
|* 8 | INDEX RANGE SCAN DESCENDING| SODTEST2_IX | 1 | 100 | 10 |00:00:00.01 | 3 | | | |
|* 9 | COUNT STOPKEY | | 1 | | 10 |00:00:00.01 | 3 | | | |
| 10 | VIEW | | 1 | 11 | 10 |00:00:00.01 | 3 | | | |
|* 11 | INDEX RANGE SCAN DESCENDING| SODTEST2_IX | 1 | 100 | 10 |00:00:00.01 | 3 | | | |
---------------------------------------------------------------------------------------------------------------------------------------This UNION ALL query completes in 6 logical IOs - the original query I posted with 2 IDs takes 178 to return the same results. -
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SQL Query Help - Is this possible or impossible????
Hi guys,
I need help with an SQL query that I'm trying to develop. It's very easy to explain but when trying to implement it, I'm struggling to achieve the results that I want.....
For example,
I have 2 tables
The first table is:
1) COMPANY create table company (manufacturer varchar2(25),
date_established date,
location varchar2(25) );My sample test date is:
insert into company values ('Ford', 1902, 'USA');
insert into company values ('BMW', 1910, 'Germany');
insert into company values ('Tata', 1922, 'India');The second table is:
2) MODELS create table models (manufacturer varchar(25),
model varchar2(25),
price number(10),
year date,
current_production_status varchar2(1) ) ;My sample test data is:
insert into models values ('Ford', 'Mondeo', 10000, 2010, 0);
insert into models values ('Ford', 'Galaxy', 12000, 2008, 0);
insert into models values ('Ford', 'Escort', 10000, 1992, 1);
insert into models values ('BMW', '318', 17500, 2010, 0);
insert into models values ('BMW', '535d', 32000, 2006, 0);
insert into models values ('BMW', 'Z4', 10000, 1992, 0);
insert into models values ('Tata', 'Safari', 4000, 1999, 0);
insert into models values ('Tata', 'Sumo', 5500, 1996, 1);
insert into models values ('Tata', 'Maruti', 3500, 1998, 0);And this is my query:
SELECT
com.manufacturer,
com.date_established,
com.location,
DECODE(nvl(mod.current_production_status, '0'), '0', '-', mod.model),
DECODE(nvl(mod.current_production_status, '0'), '0', '-', mod.price),
DECODE(nvl(mod.current_production_status, '0'), '0', '-', mod.year),
mod.current_production_status
FROM
company com,
models mod
WHERE
mod.manufacturer = com.manufacturer
and com.manufacturer IN ('Ford', 'BMW', 'Tata')
and mod.current_production_status IN (1,0)
ORDER BY
mod.current_production_status DESCWhat I want the query to output is this:
com.manufacturer com.date_established com.location mod.model mod.price mod.year mod.current_production_status
Ford 1902 USA Escort 10000 1992 1
BMW 1910 Germany - - - 0
Tata 1922 India Sumo 5500 1998 1If current_production_status is 1 it means this particular model has been discontinued
If current_production_status is 0 it means the manufacturer does not have any discontinued models and all are in procuction.
The rule is only one record per manufacturer is allowed to have a current_production_status of 1 (so only one model from the selection the manufactuer offers is allowed to be discontinued).
So the query should output the one row where current_production_status is 1 for each manufacturer.
If for a given manufacturer there are no discontinued models and all have a current_production_status of 0 then ouput a SINGLE row that only includes the data from the COMPANY table (as above). The rest of the columns from the MODELS table should be populated with a '-' (hyphen).
My query as it is above will output all the records where current status is 1 or 0 like this
com.manufacturer com.date_established com.location mod.model mod.price mod.year mod.current_production_status
Ford 1902 USA Escort 10000 1992 1
Tata 1922 India Sumo 5500 1998 1
Ford 1902 USA - - - 0
Ford 1902 USA - - - 0
BMW 1910 Germany - - - 0
BMW 1910 Germany - - - 0
BMW 1910 Germany - - - 0
Tata 1922 India - - - 0
Tata 1922 India - - - 0However this is not what I want.
Any ideas how I can achieve the result I need?
Thanks!
P.S. Database version is '10.2.0.1.0'Hi Vishnu,
Karthiks query helped...
But this is the problem I am facing...
SELECT
com.manufacturer,
com.date_established,
com.location,
DECODE(nvl(mod.current_production_status, '0'), '0', '-', mod.model),
DECODE(nvl(mod.current_production_status, '0'), '0', '-', mod.price),
DECODE(nvl(mod.current_production_status, '0'), '0', '-', mod.year),
mod.current_production_status
FROM
company com,
models mod
WHERE
mod.manufacturer = com.manufacturer
and com.manufacturer = 'Ford'
and mod.current_production_status IN (1,0)
ORDER BY
mod.current_production_status DESCThe value of:
and com.manufacturer = 'Ford'will be dependent on front end user input....
When I run the query above I get all the rows where current_production_status is either 1 or 0.
I only require the rows where current_production_status is 1.
So if I amend it to look like this:
and mod.current_production_status = 1This works....
BUT if a user now passes in more than one manufacturer EG:
and com.manufacturer IN ('Ford', 'BMW')The query will only return the one row for Ford where current_production_status is 1. However because BMW has no models where current_production_status is 1 (all 3 are 0), I still want this to be output - as one row....
So like this:
com.manufacturer com.date_established com.location mod.model mod.price mod.year mod.current_production_status
Ford 1902 USA Escort 10000 1992 1
BMW 1910 Germany - - - 0So (hopefully you understand), I want both cases to be catered for.....whether a user enters one manufacturer or more than one...
Thanks you so much!
This is really driving me insane :-( -
Can we hide filter in Search Master agreements standard top level query?
Hi Experts,
I have a requirement to hide flter in standard Search Master Agreements top level query. See below screen shot
I have an idea how to delete filter in query but when i have added that query to top level navigation i don't have any idea.
So i want to hide Business Unit & Region filter in Search Master Agreement query when it is in top level navigation.
If anyone have idea please share with me how to hide.
Thanks,
LavaHi Lava,
It is not a filter but this a Standard field which is coming from the Master Agreement.
So, you cannot hide or even delete any field.
But if it is a custom field you can hide it by inactivating the respective field in Extension Defination.
Please let me know if you need any assistance.
Thanks,
Raj.
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