SQL & PL/SQL :: Query For Non Nulls In A Row
Mar 21, 2010
I AM HAVING A TABLE WITH BELOW STRUCTURE AND VALUES.
Table A
Col1Col2 Col3
M1D1V1
M1D2
M1D3V2
M1D4
M1D5
[Code]...
Below is the scenario provided with sample data to replicate the actual requirement.
I am trying to write a query to get below output. But I am not able to succeed.
The column having null values should have the non null value as showed in example.
OUTPUT
------
Col1Col2 Col3
M1D1V1
M1D2v1
M1D3V2
M1D4v2
M1D5v2
M1D6v2
M1D7V3
[Code]...
Below is the script for table and values
create table tmp (col1 varchar2(10),col2 varchar2(10),col3 varchar2(10));
insert into TMP (COL1, COL2, COL3)
values ('M1', 'D1', 'V1');
insert into TMP (COL1, COL2, COL3)
values ('M1', 'D2', null);
[Code]...
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Aug 18, 2013
We have data as below in the table. I need the to display the records in the order based on number of NULL values and position for each record.
provide a simple query using case in ORDER BY clause.
ID CLASS NAME DIST_ID DIST_NAME
0 NULL KIRAN 0 AP
0 C1213 NULL 0 AP
0 NULL NULL 0 AP
NULL C1234 NULL 0 AP
0 NULL NULL 0 AP
NULL NULL NULL NULL NULL
0 C123 RAJESH 0 AP
NULL C123 RAVI NULL AP
We have to give the rank based on NULL values and NULL value column position.Let us assume column positions as
1 2 3 4 5
ID CLASS NAME DIST_ID DIST_NAME
for the following three records number of NULL values are same. but positions are different.
0 NULL NULL 0 AP
NULL C1234 NULL 0 AP
0 NULL NULL 0 AP
NULL C123 RAVI NULL AP
Based on the column positions the ranks as
2*2+3*3=13
1*1+3*3=10
2*2+3*3=13
1*1+4*4=17
Which is having high rank (greatest number) that record should come last . The record which is having all values that should come first. The record which is having all NULL values should come last. The out put I want as
ID CLASS NAME DIST_ID DIST_NAME
0 C123 RAJESH 0 AP
0 NULL KIRAN 0 AP
0 C1213 NULL 0 AP
NULL C1234 NULL 0 AP
0 NULL NULL 0 AP
0 NULL NULL 0 AP
NULL C123 RAVI NULL AP
NULL NULL NULL NULL NULL
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Dec 20, 2011
Am trying to extract data from oracle onto flatfile(.txt), am using UTL_FILE but, NULLs in oracle tables are getting converted into space and if i try loading into table it is getting loaded as space,
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Jan 26, 2012
This is a simple question, but I cannot seem to find a solution. Here's the basic query:
select distinct accountno, parcelno, streetno||' '|| predirection ||' '|| streetname||' '|| streettype||' '|| postdirection||' '|| unitname||', '|| propertycity
from tblacctpropertyaddress ....
What I want to do is add is this logic: If Predirection is null, then no space between streetno & streetname. Same for postdirection and unitname. (for example, if both postdirection and unitname are null, there are no spaces between streettype and the comma before propertycity)
Also, when unitname is not null, I want to add the string "Unit " prior to the returned value in unitname.
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Oct 2, 2013
I'm on 11.2.0.3. I want to write a query to get calculate a running total of incidents per day - this query will be used for an APEX line chart.Sample table and data:
create table sales (
id number primary key,
time_of_sale date,
item varchar2(20));
insert into sales values (1, to_date('02-JAN-2013','DD-MON-YYYY'), 'book'); ....
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Apr 8, 2010
I have a sql like
select TRIM(column_name)
from user_tab_columns
where table_name = 'MTL_SYSTEM_ITEMS_VL' AND COLUMN_NAME IN ('DESCRIPTION ');
[Code]....
Like this i have many rows. What clause other than trim i should apply to no cosider the spaces?
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Jul 24, 2012
Are NULLs get indexed in bitmap indexes? How can I verify that.
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Jul 19, 2013
How do I collapse all nulls for every table column in a SQL Statement?
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Nov 16, 2010
I was looking for a way to see if a default value for a procedure was passed NULL or it got NULL by default. [URL]
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Dec 8, 2005
I have inherited a query that union alls 2 select statements, I added a further field to one of the select statements ( a date field). However I need to add another dummy field to the 2nd select statement so the union query marries up I have tried to do this by simply adding a
select
'date_on'
to add a field called date on populated by 'date_on' (the name of the column in the first query)
however when I run the union query i get the error Ora-01790 expression must have same datatype as corresponding expression.
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Dec 5, 2012
I have a dynamic query stored in a function that returns a customized SQL statement depending on the environment it is running in. I would like to create a Materialized View that uses this dynamic query.
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Apr 26, 2013
I have data in a table and another in XML file,I used SQL query to retrive the data placed on the table, and link this query with XML query that retrieves the data stored in the xml file. The data stored in the table and xml file sharing a key field, but the xml contents are less than what in the table.I want to show only the data shared between the two queries, how can I do that?
e.g.:
Table emp:
e_id | e_name | e_sal
023 | John | 6000
143 | Tom | 9000
876 | Chi | 4000
987 | Alen | 7800
XML File
<e_id>
143
876
So, I want the output to be:
e_id | e_name | e_sal | e_fee
143 | Tom | 9000 | 300
876 | Chi | 4000 | 100
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Aug 7, 2009
I am looking to simplify the below query,
DELETE FROM A WHERE A1 IN (SELECT ID FROM B WHERE BID=0) OR A2 IN (SELECT ID FROM B WHERE BID=0)
Since both the inner queries are same,I want to extract out to a local variable and then use it.
Say,
Array var = SELECT ID FROM B WHERE BID=0;
And then ,
DELETE FROM A WHERE A1 IN (var) OR A2 IN (var)
How to do this using SQLPLUS?
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Jun 19, 2012
I have the following four tables with the following structures Table A
ColA1 ColA2 ColA3 ColA4 ColA5 AA 100 CC DD EE
Table B
ColB1 ColB2 ColB3 ColB4 ColB5 AA 100 40452 A9 CDE
when these two tables were joined like the following:
Select colA1,ColA2, ColA3, ColA4, ColB3,ColB4, ColB5 from table A Left outer join (select ColB3, ColB4, ColB5 from table B where colB3 = (select max(colB3) from table B ) on (colA1 = colB1 and ColA2 = col B2)
Now i have to join the next table C with table B
Table C structure is
ColD1 ColD2 ColD3 Desc1 A9 Executive Desc1 A7 Engineer
I have the common column such as ColD2 and colB4 to get the Col D3
how do i join the existing query + join between table b and table c?
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how to achieve F11(Query mode) and Execute Query in Oracle Forms?
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Apr 6, 2010
I have a query that is pulling back more rows when I use the dblink than when I hit the linked database directly.
For example:
select
x,y,z
from
mytable@dblink
returns 788,324 rows
while
select
x,y,z
from
mytable
returns 712,102 rows
It's the exact same query, with the only difference being the dblink. It's not pulling the data into a cursor or array, it's a simple, straightforward query on a remote database.
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Mar 10, 2012
Is there a technique to getting a Top-N query to work as a sub-select in a larger query -or- is there another way to generate Top-N like results that works as a sub-select?
Background:
We have a large query that is being used to build an export from a legacy HR system to a new one. Amount the data needed in the export is the employees primary phone number.
The legacy HR system allows multiple phone numbers to be stored in a simple table structure:
SELECT emp_id, phone_type, phone_number
FROM employee_phones
emp_idphone_typephone_number
------- --------------- -------------------
46021CELL2222222222
46021HOME1111111111
46021WORK3333333333
The new HR system does allow for multiple phone numbers, however they need a primary phone number identified and stored with the employee master information. (Subsequent phone numbers get stored in alternate table.)
From a business perspective, we have decided that if they have a HOME phone in the legacy system that should be the primary in the new system, if no HOME phone, then WORK, if no WORK then CELL.
That can be represented as:
SELECT *
FROM employee_people_phones
WHERE emp_id = '46021'
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')
emp_idphone_typephone_number
------- --------------- -------------------
46021HOME1111111111
46021WORK2222222222
46021CELL3333333333
Or similarly with Top N concept:
SELECT *
FROM (SELECT *
FROM employee_people_phones
WHERE emp_id = '46021'
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results
WHERE ROWNUM = 1
emp_idphone_typephone_number
------- --------------- -------------------
46021HOME1111111111
Or really what I want in my export:
SELECT phone_number
FROM (SELECT phone_number
FROM employee_people_phones
WHERE emp_id = '46021'
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results
WHERE ROWNUM = 1
phone_number
-------------------
1111111111
However, when the Top-N query is added as a sub-select in a larger query using the employee id from the larger query (WHERE emp_id = export.emp_id), it fails saying that �export.emp_id� is not a valid id.
(SELECT phone_number
FROM (SELECT phone_number
FROM employee_people_phones
WHERE emp_id = export.emp_id
ORDER BY decode(phone_type, 'HOME', 'a', 'WORK', 'b', 'CELL', 'c', 'z')) results
WHERE ROWNUM = 1)
1.Any way around this? Is it possible to put a Top-N (with a WHERE clause using data from the main query) in a sub-select?
2.Any alternatives (other than Top-N) to delivering a ROWNUM=1 result with a �custom� ORDER BY statement?
Other Notes: Yes, we know we could do two queries in the data conversion first deliver the bulk data to the target table, and then update with the phone numbers. However, for multiple reasons, that is less than desirable.
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Sep 19, 2010
I am having a Select query(below Query1) and I want to use one column(sum(col4)) from this Select query to be displayed in another Select query(Query 2). how to display this.
Query 1 :-
select a.col1,a.col2,b.col3,sum(b.col4)
from tab a, tab b
where a.key1=b.key1 and a.key2=b.key2
group by a.col1,a.col2,b.col3
Query 2 :-
select a.col1,a.col2,b.col3,sum(b.col6)
from tab a, tab b
where a.key1=b.key1 and a.key2=b.key2
group by a.col1,a.col2,b.col3,b.col5
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Sep 18, 2012
This query is written in inner join, can any one try to write using sub query.
SELECT B.CNO
FROM CUSTEN A
INNER JOIN ORDS B
ON A.CNO = B.CNO
AND A.PRNO = B.PRNO
[Code]...
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May 24, 2010
I have the folloiwng two queries:
Query_1: select count(*) yy from table1;
Query_2: select count(*) zz from table2;
I need to compute the following:
var:=(yy/zz)*100
How can I achieve this in a single query?
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Feb 23, 2012
I have a a table like with columns ( date_field, client_id(c_id), transaction_id(trx_id), mobile, amount )
table example data like
date_fieldc_idtrx_idmobileamount
24-JAN-1215100100120111111100100
24-JAN-1217100100220111111112150
24-JAN-1215100100320111111113100
24-JAN-1216100100420111111114200
24-JAN-1215100100520111111115100
24-JAN-1216100100620111111116100
24-JAN-1218100100720111111117100
24-JAN-1216100100820111111118100
24-JAN-1215100100920111111119200
24-JAN-1216100101020111111110100
24-JAN-1215100101120111111111100
24-JAN-1216100101220111111112100
24-JAN-1215100101320111111113100
Now using the unique index (Trx_id) I need to get max 3 records for each client (c_id).
Expecting result should be
date_fieldc_idtrx_idmobileamount
24-JAN-1217100100220111111112150
24-JAN-1218100100720111111117100
24-JAN-1216100100820111111118100
24-JAN-1216100101020111111110100
24-JAN-1216100101220111111112100
24-JAN-1215100100920111111119200
24-JAN-1215100101120111111111100
24-JAN-1215100101320111111113100
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Mar 4, 2009
I have this query and I want to get the COUNT:
SELECT first_np AS n_p FROM dvc
UNION
SELECT second_np AS n_p FROM dvc
UNION
SELECT n_p FROM dc;
This returns one column which is the n_p; how do I get the count of n_p?
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Apr 18, 2008
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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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Dec 18, 2012
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I was hoping to do something like this...
select utctime, max(value) from table where utctime between.
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Oct 13, 2011
I am facing the following issue while generating xml using a sql query. I get the below given table using a query.
CODE ID MARK
==================================
1 4 2331 809
2 4 1772 802
3 4 2331 845
4 5 2331 804
5 5 2331 800
6 5 2210 801
I need to generate the below given xml using a query
<data>
<CODE>4</CODE>
<IDS>
<ID>2331</ID>
<ID>1772</ID>
</IDS>
<MARKS>
[code].....
NOTe: IDS which are distinct needs to be displayed. ALL MARKS should be displayed though there are duplicates.
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Mar 11, 2009
SELECT so.* FROM shipping_order so WHERE (so.submitter = 20)
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Feb 24, 2009
"Determine what departments are in each of the 4 regions. That is, what are the names of the departments that reside in each of the regions." So basically it wants me to list the departments in each region.
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Regions
region_id
region_name
Departments
department_id
department_name
manager_id
location_id
Locations
location_id
street_address
postal_code
city
state_province
country_id
Countries
country_id
country_name
region_id
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