SQL & PL/SQL :: How To Use Or Condition To Check If 6 Col Values In A Row Is NULL
Aug 23, 2010
How can I use OR condition in sql to check whether if the 6 col values in a row is NULL, I need something like below, but idk the syntax of checking if either of the mentioned cols is null using an or condition.
select a.mid
FROM table_a a
JOIN table_b b
ON a.dept = b.dept
JOIN table_c c
ON b.eid = c.eid
WHERE a.tid = :tid
AND (a.i1 or a.i2 or a.i3 or a.n1 or a.n2 or a.n3 or a.t1 or a.t2 or a.t3 ) IS NULL
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Aug 23, 2013
The below query is not performing good.
SELECT * FROM wedb_master
WHERE c_group IS NOT NULL;
The table is having 200000 records.
I have index on c_group but not used. FTS is happening.
how improve the performance of IS NOT NULL predicate.
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Aug 5, 2011
I have encountered a weird (or maybe not weird at all but unexplainable from my point of view) behavior from Oracle. I have simplified the example as much as possible
This query returns 2 rows as expected:
with edited as
(select F101, e_id from (select 'Test' F101, -1 e_id from dual
union all select 'Test1' F101, -2 e_id from dual) input_clob),
distinct_intermediate_edited as
[code]...
But this one (with only one row in input_clob) returns one row (as expected) but with null on e_id (why?):
with edited as
(select F101, e_id from (select 'Test' F101, -1 e_id from dual) input_clob),
distinct_intermediate_edited as
(select e.f101, e.e_id
from edited e
[code]...
If I change the join condition with and nvl(e.E_id,0) = nvl(e_id,0) both cases work as I expect (e_id = -1 for second query) but I simply want an explication for this behavior.
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Oct 20, 2011
I got a requirement to check if a particular range of values are present , if few values missing then have to add null for the values. This has to be a SQL statement.
table 1 :
fiscal_month_id, value1, value2
2010100028482848
2010110025712709.5
2010120027452721.3
2011010026052692.25
2011020026382681.4
2011030030992751
2011040027662753.14
2011050029732780.625
This is the table. the fiscal month id denotes that the values is from month Oct(20101000) to May (20110500). The fiscal year cycle for me is from OCT to SEP. Hence when we select this table, the select should retreive the below data
fiscal_month_id, value1, value2
2010100028482848
2010110025712709.5
2010120027452721.3
2011010026052692.25
[code].....
How to do this in a select statement ?
This fiscal_month_ID is actual from another table where all time level information are kept.
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Sep 3, 2008
we can check condition like ranges using decode?
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Dec 3, 2010
I have a scenario where I have to get all the available dates of a resource. I am using the below query to get it.
Select Avail_Date AS MONTH
, Resource_Id
FROM res_tsk
, (SELECT Rownum - 1 + TRUNC (sysdate) avail_date
FROM Dual
[code].......
The result of this is:
Month Dates Resource_ID
12/3/10 0:00 NULL
12/4/10 0:00 NULL
12/5/10 0:00 NULL
12/6/10 0:00 100033868
As I am doing a outer join, if the resource is not available on a particular day the resource_id is coming as NULL as it is not available. Is there any way to populate this NULL resource_id with the original resource_id as the resource_id is same for all the result set.
I need the output to be
Month Dates Resource_ID
12/3/10 0:00 100033868
12/4/10 0:00 100033868
12/5/10 0:00 100033868
12/6/10 0:00 100033868
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Jun 22, 2010
i want to check cursor having record or null/ if having records then count of records?
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Dec 13, 2010
In the below code, do I need the 'NOT NULL' after the 'state char(2)'? I am guessing that I do not need it since I have the CHECK constraint on the column.
CREATE TABLE employee(
id PRIMARY KEY,
first varchar(20) NOT NULL,
middle varchar(20),
[code]....
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Aug 8, 2013
Can i use a trim(col_name) to check a NULL value in a table? as IS NULL function is taking a long time.
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Aug 30, 2012
I am trying to do something like this
SELECT clave_grupo FROM SS_TTABLAS
WHERE CLAVE_GRUPO IN
(
CASE WHEN (condition) THEN 'v1'
ELSE ('v1','v2',v3')
end
)
This is the error msg:
ORA-00907: missing right parenthesis
just before ,'v2',v3')
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Apr 20, 2007
i have a stored proc where i am selecting a value into a variable like so:
SELECT FUNCTION
INTO V_FUNCTION
FROM FUNCTION_TABLE
WHERE FUNCTION = P_INPUT;
Now, my problem lies in where there is no value returned (oracle will throw an error).
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Jan 23, 2013
I have 2 tables, AFF_TEMP and COUNTY
AFF_TEMP has the following columns FNAME, LNAME, EMAIL and COUNTY
COUNTY has 2 columns COUNTY_ID and CNAME
Both tables have the following test data
AFF_TEMP
Joe, Bloggs, joe@gmail.com, ''
Ann, Bloggs, anne@gmail.com,Donegal
and COUNTY column in AFF_TEMP can contain a NULL value
County table has the following Test data,
1, Dublin
2, Donegal
3, Tipperary,
4, Galway
I am trying to select the following from both tables FNAME, LNAME, EMAIL, COUNTY_ID.Tried the following queries
select a.FNAME, a.LNAME,a.EMAIL, C.COUNTY_ID FROM temp_aff A LEFT OUTER JOIN COUNTY C ON A.COUNTY=C.CNAME
OR (A.COUNTY IS NULL)
select a.FNAME, a.LNAME,a.EMAIL, C.COUNTY_ID FROM temp_aff A, COUNTY C
WHERE C.CNAME IN (SELECT UPPER(A.COUNTY) FROM TEMP_AFF A)
[code]...
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Apr 23, 2010
Is there a way to replace a field with another if the particular value returned is null?
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Dec 17, 2010
We are working on a migration project and we need to move 75 million rows from source system to target system.
Total number of columns in source system - 90 cols.
Out of the 90 columns 10 cols are system fields and rest 80 are properties for each record.
We are required to migrate all system cols and some required properties. In total we will migrate around 25 columns[10+15] for each record.
Before actaul migration , we need to do a data cleansing activity and hence we move the data to a staging table.
To create the staging table, we considered the below appraoches.
1. Create the staging table with around 30 coloumns so as to fit the data from source system[map the columns based on datatype]
2.Create the staging table with actual columns[90 columns] and import only the required properties. The rest all columns will remain NULL.
Do the data cleansing and move to target system.
My question here is, if we go with approach 2, We will not mix the data, as there will be a one-to-one mapping. But many columns will not have data and remain NULL. Will it affect the performance since we deal with 75 million rows.
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Jul 28, 2010
I have a table abc with two column (marks,id) both can have any value.
Value of the id column is zero at several places.When I divide marks by id. I get divide by zero error.
how to replace zero with null.
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Jul 20, 2012
I have main query..And i written a Query for Issued Quantity. The query is retrieving exact data. And when i add the Query in main query the data is coming with extra null values.
for ex. Query for Issued Qty fetch 16 records. and i run the main query it fetch 20 records...there r 4 records which issued Qty is null. How can i restrict that records.
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Aug 27, 2013
I have more than 100 records in CSV format. I have to import these records to a particular table which already contains data. I have to do a multiple update at a time, based on the condition . ie., if field1 is '1' then update field2 as 'A0001' and if field1 is '5' then update field2 as 'A0007' . The values are not in an order. Is it possible.
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Sep 8, 2011
i need a function which checks if v_rand carrying a value is alphanumeric if nt this value of 6 alpha numeric characters must be generated again... here is the actual fn.
Function alphanumeric
Return varchar2
is
v_rand varchar2(10) := 0;
Begin
[code]......
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Aug 5, 2010
My query is ignoring the null value
CODEselect count(*) as COUNT from EMP where EMP_ID in '1001,1002,1003'
returns the result as
CODECOUNT
----------------------
0
1
2
EMP_ID '1001' has 0 records(i.e., EMP_ID 1001 doesnt exists in the table)
EMP_ID '1001' has 2 records
EMP_ID '1001' has 3 records
where as the query
CODEselect count(*) as COUNT, EMP_ID from EMP where EMP_ID in '1001,1002,1003' group by EMP_ID
returns the result as
CODECOUNT | EMP_ID
---------------------
1 | 1002
2 | 1003
I want the null value also to be counted when I run the second query i.e., the output should be like
CODECOUNT | EMP_ID
---------------------
0 | 1001
1 | 1002
2 | 1003
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Jun 11, 2010
Oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE 11.1.0.6.0 Production"
I have Event_month, Event_date in SELECT statement. Results of the query has NULL values as well.. I am doing ORDER BY Event_month, and I want NULL values to be at the top..
SELECT d.event_code_dt, count(d.event_number) count1
FROM main_event a,sec_event d
WHERE a.event_id = d.event_id(+)
GROUP BY d.event_code_dt
ORDER BY d.event_code_dt, count(d.event_number) desc
Results are like this
11-MAY-10
21-MAY-10
22-MAY-10
NULL
And I want results to be like this:
NULL
11-MAY-10
21-MAY-10
22-MAY-10
Same thing happens with Event_month
NULL
Feb 2009
Aug 2009
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Jun 17, 2010
There is a table with column holding 3 NULL values one each in every record. When a count function is applied to the column with a filter on NULLs,it returns 0 instead of 3.
But when count(*)is applied,expected result is returned. Would be interested in knowing about this strange behavior of NULL/Count.
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Dec 29, 2012
My DB version is 10.1.0.5.0
I want extract the values from the string using below query but i am unable to bring the correct result.
WITH t AS ( select '123,1,3,22' col FROM DUAL
UNION ALL
SELECT '123,,2,1' FROM DUAL
UNION ALL
SELECT '5,1,2,,' FROM DUAL
)
[Code]...
My required result like below.
123 1 3 22
123 2 1
5 1 2
get required result using regular expressions.
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Feb 20, 2012
I have two tables as
Table LEAVE
Column Type Null Description
APP_NO Number(6,0) Not Null PK Leave Application Number
ECN Number(6,0) Not Null FK Employee Code Number
APP_Date Date Not Null Date of Application
From_Date Date Not Null Date from which the leave starts
TO_Date Date Not Null Date upto which the current application leave remains i.e. end of leave applied for date
NO_OF_Days Number(2,0) Not Null Difference between TO_Date and From_date
LEAVE_TYPE VARCHAR2(3) Not Null Can be one of SL, CL, LWP or LTA
Status VARCHAR2(25) Not Null Can be one of Saved, Rejected or Approved
Remark VARCHAR2(100) Nullable Reason to be put if status is rejected
[code]....
What I really want to do is that when a record is inserted in the LEAVES table (an application for leave is submitted by any employee and if it is approved) then I want to update the _USED values of the corresponding LEAVE_TYPE in the LEAVEENTITLE table which holds values of types of leaves entitled to employee.
For example if 3 rows are inserted in the LEAVES table as
INSERT INTO LEAVES (APP_NO,ECN,FROM_DATE,TO_DATE,APP_DATE,NO_OF_DAYS,LEAVE_TYPE,STATUS,REMARK)
(1,1234,'2012-01-01','2012-01-05','2012- 01-01',5,'SL','APPROVED',null);
INSERT INTO LEAVES (APP_NO,ECN,FROM_DATE,TO_DATE,APP_DATE,NO_OF_DAYS,LEAVE_TYPE,STATUS,REMARK)
(2,1235,'2012-01-01','2012-01-05','2012- 01-01',5,'CL','SAVED',null);
INSERT INTO LEAVES (APP_NO,ECN,FROM_DATE,TO_DATE,APP_DATE,NO_OF_DAYS,LEAVE_TYPE,STATUS,REMARK)
(3,1236,'2012-01-01','2012-01-05','2012- 01-01',5,'LTA','REJECTED','Clash with the annual meet, revise dates');
Then the value of SL_USED in the LEAVEENTITLE table of record corresponding to the ECN = 1234 should be updated with +5 and naturally the SL_ UNUSED value of the record should be updated as SL_ENTITLED - SL_USED. For the APP_NO 2 and 3 none of the values in LEAVEENTITLE should be updated as the STATUS is not 'APPROVED'
I tried with the following trigger, but is compiling with a warning (not showing what the warning is)
CREATE OR REPLACE TRIGGER leaveentitle
AFTER INSERT ON LEAVES
FOR EACH ROW
BEGIN
UPDATE LEAVEENTITLE LVE
SET LVE.SL_USED = SL_USED+(CASE
WHEN :NEW.LEAVE_TYPE = 'SL'&& NEW.STATUS='APPROVED'
THEN :NEW.NO_OF_DAYS
SL_UNUSED=SL_ENTITLED - SL_USED
ELSE 0
END),
[code]....
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Sep 16, 2011
I have a table as follows
create table teststr (indname varchar2(20),
counter1 number,counter2 number,counter3 number,counter4 number);
insert into teststr values('a',10,20,30,30);
insert into teststr values('b',10,20,5,3);
insert into teststr values('c',2,4,5,2);
insert into teststr values('d',1,2,3,4);
insert into teststr values('e',4,5,4,4);
Now i need the output if any of the column values are same.
output should be
select indname from teststr where counter1=counter2
or counter1=counter3 or counter1=counter4
or counter2=counter3 or counter2=counter4
or counter3=counter4
a
c
e
Is ther any other way to write the query instead of the numerous or conditions if i want to compare the column values in a table.
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Mar 12, 2010
Our organization is attempting to learn more about the partitioning features of Oracle 11g. I've been reading the partitioning manuals, and I have not found a clear answer on this topic, but I suspect I know the answer.
If you create a range partitioned table; using interval partitioning, say something like this:
CREATE table range_parti (
CODE NUMBER(5),
DESCRIPTION VARCHAR2(50),
CREATED_DATE DATE)
PARTITION BY RANGE (created_date)
INTERVAL (NUMTOYMINTERVAL(1,'MONTH'))
(
PARTITION my_parti VALUES LESS THAN (TO_DATE('01-NOV-2007','DD-MON-YYYY'))
);
but you try to insert a null value as the partition key, you get the following error:
SQL> INSERT INTO range_parti VALUES (1,'one',NULL);
INSERT INTO range_parti VALUES (1,'one',NULL)
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition
Elapsed: 00:00:00.07
Is there no way to tell it to use a default partition for NULL values? Or specifically designate a partition for NULL values WITHOUT having to manually list out each partition? It seems it works if you don't use the INTERVAL keyword, list out your partitions, and use MAXVALUE. However, our hope to avoid having that as it creates monstrously huge DDL statements for tables that have lots of date ranges, and we will be forced to manually add new partitions each month as data is added/time passes.
It appears from my experience so far, if your column can allow nulls, you cannot use interval range partitioning on that column.
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May 18, 2010
I use a cursor to select records from a database table into a C structure as follows...
{
int iLoop = 0;
int iResult = 0;
[Code]....
The otc_multiplier field is NULL. As is the to_date sometimes. However, when I output the records later, the entries where the to_date is NULL come out fine (no value). But the otc_multiplier is getting output as 0.0 using...
// this is output later in another fuction using the following..
sprintf(newRecord, "%.1f",daServiceRecs->itemMultiplier);
If using c structures in this manner, what is the method for ensuring that numeric values are set to NULL when required?
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Jun 21, 2010
I have a report in report 6 which has static field where values are shown for previous year and for current year. the output of the report will be like this
sl no department prev year cur year
01 revenue 2000 5000
02 costing 500 1000
03 excise 8000 900
and so on....
I have a created a fomula field for each and every department and get the value from a particular table. What i require is if suppose the department revenue does not have any value then that row should not be visible. for eg if revenue has a null value then the report should be like this
sl no department prev year cur year
01 costing 500 1000
02 excise 8000 900
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Nov 22, 2012
I'm using the odp.net type factory (class IOracleCustomType and the specific annotations...) to map udts to c# classes.By now I had no problems with it, because I've never used "ref" attributes within the udts.Now I need the use of "ref" attributes within udts but it seems that the odp factory cannot handle those references.
For example:_*
A Simple Type:
create or replace type bookcontent_t force as object (
id number(20)
, name varchar2(1000)
);*And a collection with references to objects of this type:*
create or replace type fms_bookcontent_ref_cln force as table of *ref* bookcontent_t;The c# class is generated by odp.net.
When I retrieve data by using odp.net I get a collection with the correct number of elements but the values are null.What can I do to solve this problem with "ref" attributes/lists? How can I get the referenced object instances?
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Jul 5, 2012
Below given is the sample data
SELECT *
FROM
(
SELECT 1 ORDR_ID, TO_DATE('01-JAN-2012', 'DD-MON-YYYY') INWD_DATE, 5 SIZE_, 'APD' Colr_CD FROM DUAL UNION ALL
SELECT 1 ORDR_ID, TO_DATE('15-JAN-2012', 'DD-MON-YYYY') INWD_DATE, NULL SIZE_, 'KPD' Colr_CD FROM DUAL UNION ALL
SELECT 1 ORDR_ID, TO_DATE('16-JAN-2012', 'DD-MON-YYYY') INWD_DATE, NULL SIZE_, 'ALD' Colr_CD FROM DUAL UNION ALL
SELECT 2 ORDR_ID, TO_DATE('02-JAN-2012', 'DD-MON-YYYY') INWD_DATE, 9 SIZE_, 'APD' Colr_CD FROM DUAL UNION ALL
SELECT 2 ORDR_ID, TO_DATE('05-JAN-2012', 'DD-MON-YYYY') INWD_DATE, 10 SIZE_, '' Colr_CD FROM DUAL UNION ALL
[code]....
Where every first row is the initial entry for an order and following rows are the changes done to the order with modification date
And the expected output is
ORDR_ID Start_date End_date SIZE_ COLR_CD
1 01-01-12 01/15/2012 5 APD
1 01/15/2012 01/16/2012 5 KPD
1 01/16/2012 00-01-00 5 ALD
2 01-02-12 01-05-12 9 APD
2 01-05-12 01-06-12 10 APD
[code]....
I cam use a select statement within select, but wanted to write an efficient SQL...
I'm using
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0
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May 3, 2012
As per NULL values concept
One NULL value is not equal to other NULL value.
But how DISTINCT and UNION eliminating NULL values.
Then how UNIQUE key constraint accepting more than one NULL value..
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