SQL & PL/SQL :: To Display Null Rows When No Match
Apr 23, 2010
I have table as follows:
create table sample1 (
i number ,
j date,
k number)
insert into sample1 values (1,'23-Apr-2010',11)
insert into sample1 values (2,'22-Apr-2010',12)
insert into sample1 values (3,'21-Apr-2010',13)
insert into sample1 values (4,'19-Apr-2010',14)
insert into sample1 values (5,'18-Apr-2010',15)
insert into sample1 values (6,'17-Apr-2010',16)
I would like to get nulls , if there is no data for a date. As we can see , here i am missing the data for '20-Apr-2010'.
I did it through "UNIX" , but it's not efficient.
The data might be missing for the complete week also. I need to test in this way only for the last 7 days. I tried something like this:
select i, j , sum(k)
from sample1
where j in (select to_date(sysdate - rownum)
from dual
connect by rownum < = 7)
group by i, j
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Aug 29, 2012
I have the following query:
select col_1,col_9 from
book_temp b
where b.col_1 is not null
order by to_number(b.col_16)
;
What I want to add is the following:
COL_9
=====
NULL
A
B
NULL
C
D
E
F
NULL
G
I need to connect the NON-NULL rows to the preceding NULL row.
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Jul 24, 2012
I am having following table, and below are the out put and desired output.
CREATE TABLE tbl1
(
mon VARCHAR2(10)
, grp VARCHAR2(50)
, visits NUMBER
, redirect VARCHAR(50)
)
;
[Code]....
Query:
SELECT
mon
, grp
, SUM(visits)
FROM
tbl1
WHERE
redirect IS NOT NULL
GROUP BY mon, grp
;
Output:
May-12 Green 16
May-12 Blue 20
May-12 Yellow 13
Desired Output:
May-12 Green 16
May-12 Blue 20
May-12 Yellow 13
May-12 Red 0
May-12 Orange 0
How can this be acheived?
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Jan 17, 2012
There is a table, desc :-
name varchar2(10), class number(1)
values:-
name class
----- ------
qwe 1
asd
zxc 2
Here 'asd's class is NULL.
Now, using forms, how do i display the above with the modification where NULL will be shown as -1?
that is-
name class
----- ------
qwe 1
asd -1
zxc 2
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Dec 13, 2012
I have table with the values as below.
C1C2C3C4
NAMEJOHN10ABC
NAMESMITH30DEF
NAMEROBERT60XYZ
I dont want to print the repeated value(NAME) of C1 multiple times as below.
C1C2C3C4
NAMEJOHN10ABC
SMITH30DEF
ROBERT60XYZ
I could do it using the below query using union with the rownum.
select * from (
select rownum rn, c1,c2,c3,c4 from table_new
) where rn =1
union
select * from (
select rownum rn, decode(c1,null,null),c2,c3,c4 from table_new
) where rn between 2 and 3
Is there any other way of displaying using a single sql query.
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Jul 2, 2012
Apex 4.1
Theme 21
I have select list which has null and other values. I have created a blank HTML region with the following text
Report for the year &P2_YEAR. and for geography &P2_GEOG.
Now P2_YEAR works fine because, it is always populated with a year. However, &P2_GEOG has 'All' as null value since we can see the report for all geographies. However, if the all option is selected, the above &P2_GEOG. shows as null. Since its not a PL/SQL proc, I cannot put in a NVL. I am guessing one possible way is to write a PL/SQL code before region and then check if its null and then try to populate a new hidden field and show, something like that. Wondering if there is a way to do it directly in the HTML region?
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May 31, 2011
I have a table with columns emp_i, LOC_C and SUBSID_C. I want to find all emp_i's with LOC_C OR SUBSID_C as always NULL. Please note that the value should be NULL, always, for all dates.
--------------------------------------------
EX:
emp_i----LOC_C---SUBSID_C--Eff_Date
100------20------30--------01/01/2011
101------NULL----10--------05/01/2011
102------NULL----NULL------02/01/2011
101------20------NULL------02/01/2011
102------NULL----NULL------05/01/2011
103------NULL----20--------01/01/2011
103------NULL----NULL------02/01/2011
--------------------------------------------
The query ---
should return 102 as LOC_C OR SUBSID_C is ALWAYS NULL.
should return 103 as LOC_C is ALWAYS NULL.
should not return 101, as LOC_C is not ALWAYS NULL.
In other words, the query should give list of emp_i who never ever had a non-null value for LOC_C OR SUBSID_C. The purpose is to find the emp_i for which the columns LOC_C and SUBSID_C are never used.
I tried the query:
---------------------------------------------------
SELECT DISTINCT ORG_EMP_I FROM tab1
WHERE ORG_GRP_I = 58
AND ORG_EMP_I NOT IN (
SELECT DISTINCT org_emp_i
FROM tab1 ap
WHERE ap.ORG_GRP_I = 58
AND trim(ap.LOC_C) IS NOT NULL OR ap.ORG_SBSID_C IS NOT NULL )
---------------------------------------------------
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Jul 10, 2012
My requirement is as follows .
Oracle version details
BANNER
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for 32-bit Windows: Version 11.1.0.7.0 - Production
[code]....
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Dec 9, 2011
I am trying to do a simple query where I need to return the rows from a table and treat each rown according to some rules.The query works fine, and returns all the rows, usually I have 2 rows returned. WHen I add to the query where ROWNUM = 1, I get the first row returned, but when I use when ROWNUM =2 OR ROWNUM >1, I always get null rows retured, even if I have rows in the database. Here is my query:
SELECT on_time
INTO on_time2
FROM work.work_unit
WHERE work_code = 1
AND emp_no = :entry_blk.p_emp_no
AND work_date = :entry_blk.p_work_date
WHERE ROWNUM = 2;
--RETURN NULL
I changed it to the following format, but still I get the same results, only I get data when I say when rownum = 1, i get back the first record in the query
SELECT on_time
INTO on_time2
FROM (SELECT on_time
FROM work.work_unit
WHERE work_code = 1
AND emp_no = :entry_blk.p_emp_no
AND work_date = :entry_blk.p_work_date)
WHERE ROWNUM = 2;
I can't move forward in my form until I figure out why this is not returning records
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Apr 1, 2010
I need to list a count of rows where a DATE field is not null and group those counts by day.
Here's my sql so far...
SELECT
COUNT(DQ_DISTRBTN_DATE) as DQR_DIST,
DQ_DISTRBTN_DATE as DIST_DATE
from
ETL_PROCESS.BATCH
group by
DQ_DISTRBTN_DATE;
Because DQ_DISTRBTN_DATE contains time, how do I modify to achieve the desired result?
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Jul 7, 2011
I need a generic query to generate total # of records for each table in a schema, total # of records that are not null for each column in the table, and total # of records that are null for each of those columns in those tables.
ex:
the output should look like this.
owner schema table_name total# recs in the table, column_name,
------ ------ ---------- ------------------------- -----------
# of records not null # of records null
---------------------- --------------------
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Jan 23, 2009
i have a table displaying location, cost, inner_num and rownum ordered by the descending order of the cost.
the question is: display locations of the highest 10 costs. if the cost of 11th row is the same as 11th, then display 11 rows.
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Sep 8, 2010
I am bit confused to display all the rows in a column using stored procedure like
In sqlserver:
create procedure test
as
begin
select * from table;
end
in sqlserver it is working perfectly.
In oracle:
create or replace procedure test
is
begin
select * from table;
end;
But in oracle i am getting an error like select * into something like that.I understand the error. i.e. i need to move the column values into variables.if it a single row then there will be no problem.i want to display all the rows in the table at one time.i can not use cursors.
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Oct 9, 2013
i want to display all the columns of emp table in rows.O/P should be like below:---------------------------------------------Columns------------empnoenamesaldeptnomgr
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Mar 25, 2013
how to create a procedure to display all the rows in a table.
I wrote the below PL/SQL but im hitting as below.
DECLARE
howmany NUMBER;
some_full_name login_user.full_name%TYPE;
some_login_id login_user.login_id%TYPE;
some_users login_user%ROWTYPE;
[code]....
error :
Error report:
ORA-06550: line 3, column 19:
PLS-00225: subprogram or cursor 'LOGIN_USER' reference is out of scope
ORA-06550: line 3, column 19:
PL/SQL: Item ignored
ORA-06550: line 4, column 18:
[code]....
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Mar 10, 2011
Consider the following (example)table.,
TABLE_A
------------------------------
ID DEPT CRS
------------------------------
1 CS CS_100
2 SCIENCE SCI_150
3 MATH MATH_400
4 HISTORY HIS_110
[Code]...
To display CRS from TABLE_A where DEPT = 'MATH' but in the following format.,
--------------------------------------------
NO DEPT CRS
--------------------------------------------
1 MATH MATH_400, MATH_550, MATH_230
--------------------------------------------
instead of.,
--------------------------
NO DEPT CRS
---------------------------
1 MATH MATH_400
2 MATH MATH_550
3 MATH MATH_230
---------------------------
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Aug 5, 2010
I has a table of structure of varchar2 datatype.
NO
----------
1-2
3-4
5-6
desired output is:
SQL>1
2
3
4
5
6
The table has single column & the values may differ,that is, they may have 1-2-3-...-n in a single row, but the desired output is to be in the rows as shown above.
I tried concepts of SQL up to my knowledge, but I failed. The query to be done only in SQL.complete this query.
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Jul 2, 2010
How can we display the rows which are existed in T_SOURCE table and which doesn't existed in T_TARGET table using outer join.
My code is as follows.
CREATE TABLE T_SOURCE(sno NUMBER,sname VARCHAR2(20));
CREATE TABLE T_TARGET(sno NUMBER,sname VARCHAR2(20));
INSERT INTO T_SOURCE VALUES(1,'A');
INSERT INTO T_SOURCE VALUES(2,'B');
INSERT INTO T_SOURCE VALUES(3,'C');
INSERT INTO T_SOURCE VALUES(4,'D');
INSERT INTO T_SOURCE VALUES(4,'E');
INSERT INTO T_TARGET VALUES(1,'A');
INSERT INTO T_TARGET VALUES(2,'B');
I tried this but I am getteing all the rows.
select t_source.sno,t_source.sname
FROM t_target,t_source
WHERE t_target.sno(+)=t_source.sno
AND
t_target.sname(+)=t_source.sname
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Mar 6, 2013
My problem is i need to display the status and the record count in separate rows.How can i do it
Example
SELECT 'A' STAT, COUNT(A) CNT,'B' STAT, COUNT(B) CNT,'C' STAT, COUNT(C) CNT
FROM TAB1;
OUTPUT SHUD BE LIKE
STAT COUNT
A A_cnt
B B_CNT
C C_CNT
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Jun 21, 2010
I am running a GROUP BY query on a few columns of enumerated data like:
select count(*), Condition, Size
group by Condition, Size;
COUNT(*) CONDITION SIZE
-------- ---------- --------
3 MINT L
2 FAIR L
4 FAIR M
1 MINT S
Well, let's say I also have a timestamp field in the database. I cannot run a group by with that involved because the time is recorded to the milisec and is unique for every record. Instead, I want to include this in my group by function based on whether or not it is NULL.
For example:
COUNT(*) CONDITION SIZE SOLDDATE
-------- ---------- -------- ----------
3 MINT L ISNULL
2 FAIR L NOTNULL
2 FAIR M NOTNULL
2 FAIR M ISNULL
1 MINT S ISNULL
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Mar 16, 2011
I have a table which has a not null column. the column is date field. I am trying to change it to Null. But it is giving a error.
I am using below query.
ALTER TABLE T_test
modify (paid_to_date null)
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Oct 24, 2013
create table test
(
id int ,
dat date
)
/
I want to implement a business rule such as we have for each id at most 1 dat null. So, I've created this unique index on test.
create unique index x_only_one_dat_cess_null on test(id, case when dat_cess is null then 'NULL' else to_char(dat_cess, 'dd/mm/yyyy') end);
insert into test values (1, sysdate);
insert into test values (1, sysdate - 1);
insert into test values (1, null);
insert into test values (1, null);
-- -----
insert into test values (2, sysdate);
insert into test values (2, sysdate - 1);
insert into test values (2, null);
The 4th insert will cause an error and this is what I wanted to implement. OK. Now the problem is that for non-null values of dat, we can't have data like this
iddat
------------
124/10/2013
123/10/2013
123/10/2013
1
because of the unique index (the 2nd and the 3rd row are equal). So just for learning purposes, how could we allow at most one null value of dat and allow duplicates for non-null values of dat.
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Jan 9, 2012
when i follow this steps mention on this website
[URL].........
to modify column from null to not null i got this error and on this website its show successful
my steps are
first i create a table
SQL> create table Stu_Table(Stu_Id varchar(2), Stu_Name varchar(10),
2 Stu_Class varchar(10));
Table created.
Then insert some rows into Stu_Table
SQL> insert into Stu_Table (Stu_Id, Stu_Name) values(1,'Komal');
1 row created.
SQL> insert into Stu_Table (Stu_Id, Stu_Name) values(2,'Ajay');
1 row created.
SQL> insert into Stu_Table (Stu_Id, Stu_Name) values(3,'Rakesh');
1 row created.
SQL> insert into Stu_Table (Stu_Id, Stu_Name) values(4,'Bhanu');
1 row created.
SQL> insert into Stu_Table (Stu_Id, Stu_Name) values(5,'Santosh');
1 row created.
SQL> select * from Stu_Table;
ST STU_NAME STU_CLASS
-- ---------- ----------
1 Komal
2 Ajay
3 Rakesh
4 Bhanu
5 Santosh
Table Structure is like this
SQL> Describe Stu_Table
Name Null? Type
----------------------------------------- -------- ----------------------------
STU_ID VARCHAR2(2)
STU_NAME VARCHAR2(10)
STU_CLASS VARCHAR2(10)
now when i try to modify this Stu_id column to not null its give me error.
SQL>ALTER TABLE Stu_Table MODIFY Stu_Id int(3)not null;
ALTER TABLE Stu_Table MODIFY Stu_Id int(3)not null
*
ERROR at line 1:
ORA-01735: invalid ALTER TABLE option
and when i try to add new column with not null its also gives me error
SQL> ALTER TABLE Stu_Table add C1_TEMP integer NOT NULL;
ALTER TABLE Stu_Table add C1_TEMP integer NOT NULL
*
ERROR at line 1:
ORA-01758: table must be empty to add mandatory (NOT NULL) column
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Oct 2, 2011
I am new to sql..
I need to join 2 tables based on first match.. I cldnot use distinct on the result, as distinct work with entire row..
I cant use group by as well, since for group by hv to select all the columns which we need to display
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Jan 20, 2012
Suppose I have a table in which I have first_name, last_name, dob. Now I have to fetch on the basis of first_name=some_value, last_name=some_value and dob=some_date. I want to sort it on the basis of exactly fetched values. Let me take an example-
test table contains-
first_name last_name dob
---------- --------- ----
Manu Batham 02-Feb-1988
Manu Sharma 01-Jul-1987
Avinash Pandey 03-Feb-1988
Ankit Gupta 02-Feb-1988
Manu Aggrawal 02-Feb-1988
Manu Batham 20-Jan-1985
Sikha Batham 17-Apr-1988
Now if I give parameters-
first_name='Manu'
last_name='Batham'
dob='02-Feb-1988'
then my result should be like below-
result-
first_name last_name dob
---------- --------- ----
Manu Batham 02-Feb-1988
Manu Aggrawal 02-Feb-1988
Manu Batham 20-Jan-1985
Manu Sharma 01-Jul-1987
Ankit Gupta 02-Feb-1988
Sikha Batham 17-Apr-1988
My result is based on the approach-
if matched first_name, last_name, dob --> 1st prefrence in order
if matched first_name, dob --> 2nd prefrence in order
if matched first_name, last_name --> 3rd prefrence in order
if matched last_name, dob --> 4th prefrence in order
if matched first_name --> 5th prefrence in order
if matched last_name --> 6th prefrence in order
if matched dob --> 7th prefrence in order
I designed the following query for the same-
Select first_name,last_name,dob,1 "Order" from test Where
first_name='Manu' and
last_name='Batham' and
dob=to_date('02/02/1988','dd/mm/yyyy')
union
Select a,b,c,2 from test Where
[code]......
I know that this is not the best possible solution as the table is very big and doing so many hits on that table will certainly decrease the performance.
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Aug 28, 2012
I have some records as below would like to match and merge them
ID1 ID2
101 103
101 104
205 103
206 103
205 106
151 222
157 222
151 223
156 222
134 223
134 435
156 438
Output should be. All matching records should be grouped together and generate result by new seq
ID1 ID2 Result
101 103 1
101 104 1
205 103 1
206 103 1
205 106 1
151 222 2
157 222 2
151 223 2
156 222 2
134 223 2
134 435 2
156 438 2
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Jul 17, 2013
Seemingly a very simple problem, but I can't seem to figure it out. Table below is a table that holds UserId' s and LinkId's.
CREATE TABLE UserLink (UserId NUMBER, LinkId NUMBER );
ALTER TABLE UserLink ADD PRIMARY KEY (UserId, LinkId);
INSERT INTO UserLink VALUES (1, 1);
INSERT INTO UserLink VALUES (1, 2);
INSERT INTO UserLink VALUES (3, 1);
INSERT INTO UserLink VALUES (4, 1);
I'm looking for a query in which I can plug a List of LinkId's that outputs only users that have a relationship with ALL LinkId's provided. In this example you may assume that the List is equal to (1, 2), but you can't make any assumptions about the size of the list, other than size != 0. The query to find users that match ANY of the provided LinkId's is quite simple:
SELECT UserId FROM UserLink
WHERE LinkId IN (1,2)
The correct query should output:
USERID
------
1
And it should work for any size > 0 list of values.
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Jul 12, 2012
I have 8 columns. Some of them might be null.I want to display all 8 columns in my result. Not null columns will be first and null at the end.Here is a sample data :
Employee table :
Employee_id Emp_fname emp_lname emp_mname dept salary emp_height emp_weight
1 aaa ddd d1 100 6 180
2 bbb ccc 120 169
3 dfe d2 5.9 223
The expected result is :
result1 result2 result3 result4 result5 result6 result7 result8
1 aaa ddd d1 100 6 180
2 bbb ccc 120 169
3 dfe d2 5.9 223
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Dec 28, 2011
I have a problem with a query I'm trying to run. I need to match two columns containing names, first column (NAME1) contains only the surname and the second column (NAME2) contains a surname and initials, with the initials turning up on either side of the surname.
Example:
NAME1: 'Bush', 'Thomas', 'Cook', 'Smith'
NAME2: 'Bush, B.B.', 'Thomas,C.' 'Cook', 'A.A. Smith'
Basically the code I'm trying only turns up complete matches and not partials. what I'm doing wrong or how I can improve it?
CODEselect *
from TEST
where NAME1 like ('%'||NAME2||'%');
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Aug 2, 2012
Below is a column 'ADDR' with the data (single column)
ADDR
--------
/shared/Folder_1 :^BIAdministrator:^BIAuthor:^BIConsumer:BISystemUser:OracleSystemUser:System:weblogic: :F
[Code]....
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