SQL & PL/SQL :: Display Output For Null Column
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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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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Mar 1, 2013
The Output for the Query:
select (case
when p.billingtypeid = 1 then
decode(p.patientservice, 2, 'OP CASH', 3, 'IP CASH')
when p.billingtypeid = 2 AND P.PATIENTPAIDAMOUNT = 0 AND
P.DELFLAG = 1 then
decode(p.patientservice, 2, 'OP CREDIT', 3, 'IP CREDIT')
end) particulars,
[code]....
shouldn't get the NULL PARTICULARS row in the Output. Not sure where I am making the mistake.
My expected Output is:
PARTICULARS A B C
IP CASH 0 130224635 380241493444
IP CREDIT 0 7116084 7214157.8
OP CASH 778.85 16727.85 220030.14
OP CREDIT 0 308.1 17882
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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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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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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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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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Oct 11, 2011
SQL
SELECT ug_name, rss_user_name
FROM ru_ug
WHERE rss_name = 'EXAMPLE' AND ug_name LIKE 'cn=SNG-PWI11_%'
ORDER BY ug_name
Output
UG_NAMERSS_USER_NAME
cn=SNG-PWI11_DBE_TMM,ou=Netgroup,dc=TMM,dc=netopscn=hostname55,ou=Netgroup,dc=TMM,dc=netops
cn=SNG-PWI11_DBE_TMM,ou=Netgroup,dc=TMM,dc=netopscn=hostname49,ou=Netgroup,dc=TMM,dc=netops
cn=SNG-PWI11_DBE_TMM,ou=Netgroup,dc=TMM,dc=netopscn=hostname19,ou=Netgroup,dc=TMM,dc=netops
cn=SNG-PWI11_I_TMM,ou=Netgroup,dc=TMM,dc=netopscn=hostname932,ou=Netgroup,dc=TMM,dc=netops
cn=SNG-PWI11_I_TMM,ou=Netgroup,dc=TMM,dc=netopscn=hostname56,ou=Netgroup,dc=TMM,dc=netops
cn=SNG-PWI11_I_TMM,ou=Netgroup,dc=TMM,dc=netopscn=hostname77,ou=Netgroup,dc=TMM,dc=netops
But I wish other output:
UG_NAME1 UG_NAME2
RSS_USER_NAME1 RSS_USER_NAME3
RSS_USER_NAME2
Table:
CREATE TABLE RU_UG
(
RSS_USER_NAME VARCHAR2(255 BYTE) NOT NULL,
UG_NAME VARCHAR2(255 BYTE) NOT NULL,
RSS_NAME VARCHAR2(32 BYTE) NOT NULL,
RSS_TYPE VARCHAR2(12 BYTE) NOT NULL,
[code]....
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May 11, 2012
CREATE TABLE stud(id number,Status CHAR(1))
INSERT INTO stud values(10,'Y')
INSERT INTO stud values(10,'Y')
INSERT INTO stud values(10,'Y')
INSERT INTO stud values(10,'N')
[code]...
ID STATUS
10 Y
10 Y
10 Y
10 N
20 Y
[code]...
I want to display the out put the IDs which are having the status both 'Y' and 'N'The output should be
ID STATUS
10 Y
10 Y
10 Y
10 N
20 Y
20 N
20 N
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Mar 6, 2012
I am not sure if this is even possible however I will give it a try here. is there a way to take a value from an In List that doesn't exist in the table and get SQL PLus to output that value with an assigned decode construct. example.
1 select decode(count(object_name),1,'EXIST',null,'NOT EXIST',0,'NOT EXIST'),
2 object_name, object_type
3 from dba_objects where object_name in (
4 'GV_$METRICNAME',
5 'GV$METRICNAME',
6 'GV_$METRICGROUP',
7 'GV$METRICGROUP',
8 'ABC'
9 )
10* group by object_name, object_type
SQL> /
DECODE(CO OBJECT_NAME OBJECT_TYPE
--------- ------------------------- -------------------
EXIST GV_$METRICNAME VIEW
EXIST GV_$METRICGROUP VIEW
EXIST GV$METRICNAME SYNONYM
EXIST GV$METRICGROUP SYNONYM
and have it look like this:
DECODE(CO OBJECT_NAME OBJECT_TYPE
--------- ------------------------- -------------------
EXIST GV_$METRICNAME VIEW
EXIST GV_$METRICGROUP VIEW
EXIST GV$METRICNAME SYNONYM
EXIST GV$METRICGROUP SYNONYM
NOT EXIST ABC
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May 15, 2010
having trouble displaying stuff on screen. It compiles the program successfully but just doesnt show any output Try using this (SET SERVEROUTPUT ON SIZE 4000) does nothing though. here my code
DECLARE
/*This program coverts a date from one fomat eg 1/31/10
into another format eg January 31,2010 */
/*declaring variables
assign a date that is in one format*/
EXAMPLE_DATE DATE := TO_DATE(' 1/31/06',' MM/DD/YY' );
/*finding the position of where the forward slash are*/
position_finder NUMBER := INSTR(EXAMPLE_DATE,'/');
[Code]....
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Sep 8, 2012
I need to display the sql query output in horizontal manner. Below I have given the script.
create table TestTable (id number, name varchar2(10))
insert into TestTable values (1, 'John')
insert into TestTable values (2, 'Mckensy')
insert into TestTable values (3, 'Valneech')
insert into TestTable values (4, 'Zeebra')
[code]....
But for my requirement, I need to display in horizontal manner.
ID 1 2 3 4
Name John Mckensy Valneech Zeebra
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May 11, 2013
while compiling this pl/sql block i am getting error ora-6531 :reference to uninitialized collection.
Declare
O_error_message RTK_ERRORS.RTK_TEXT%TYPE;
O_store_rec STORE_SQL.STORE_REC;
I_message RIB_XSTOREDESC_REC;
I_message_type VARCHAR2(50);
result boolean;
Begin
O_store_rec.loc_trait_tbl := ORGANIZATION_SQL.LOC_TRAIT_TBL();
O_store_rec.walk_through_tbl := STORE_SQL.WALK_THROUGH_STORE_TBL();
[code]........
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Mar 21, 2011
I am in a state of confusion and requires a solution for this urgently:I used to use 'Execute Immediate' statement or 'Sys_RefCursor' for forming parts of query dynamically based on user inputs and then finally execute them at runtime for updating database / saving results into a variable etc.
But as per the latest requirement, I wanted to have the resultset of such a query displayed in the grid area / results area of a database tool; say, SQL Navigator, Toad or PL/SQL developer.; just like you see the results of a normal 'SELECT * FROM TABLE1'; Is this really possible ??
see the below examples:
Eg: for Execute Immediate:
declare
vtest VARCHAR2 := NULL;
vdisplay VARCHAR2;
begin
vtest := 'SELECT FIELD_1 INTO vdisplay FROM TABLE_A';
vtest := trim(vtest) || 'WHERE FIELD_2 = ''XYZ''';
execute immediate TRIM(vtest);
dbms_output.put_line(vdisplay);
end;
---> This would display output into the 'Output' tab of the database tool / editor;
Eg: for SysRefCursor:
declare
vCur SYS_REFCURSOR;
vdisplay VARCHAR2;
begin
OPEN vCur for 'SELECT NULL' || var1 || 'WHERE FIELD_1 = ' || Value1;
FETCH vCur INTO vdisplay;
dbms_output.put_line(vdisplay);
end;
---> Even this would display output only into the 'Output' tab of the database tool / editor;
===> But my requirement is: Different from these, is there any way to get this output displayed into the normal output grid / result area of a database tool ? just like you see the results of a normal 'SELECT * FROM TABLE1' 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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Dec 2, 2011
i've got a project and im wondering whether it is possible to create an if statement that says something like
"If column A is NOT NULL then column B cannot be NULL"
would I have to do this as a trigger or a constraint?
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Oct 31, 2012
I have a table with column A which contains very few null values. I need to select these rows. I am considering two options:
a) create function based index on NVL(A, 0) and use this in where clause NVL(A, 0)=0 (column doesn't have values 0)
b) create function based index on NVL2(A, 0, NULL) and and use this in where clause NVL2(A, 0, NULL) = 0
First idea was option A. But I realized in option B the index will be much smaller, because most of values of column A isn't NULL so NVL2 will return NULL and index will not have as much leafs as in NVL. It is good idea to use NVL2? Is there any against to use option B instead of A?
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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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Jun 15, 2012
I have 3 columns in a table: colX, colY, colZ.
Trying to find a way to prevent duplicates with these, but only if colX is not null.
For example, if there are already values for: colX = 1, colY = 1, colZ = 1
then:
Allowed: colX = null, colY = 1, colZ = 1
Not allowed: colX = 1, colY = 1, colZ = 1
I can't create a unique constraint on these columns because there are many null values for column colX, and as mentioned, when colX is null, colY and colZ can be any values.
I also tried using a before insert trigger to find duplicates before posting and raise an error if found, but this causes an ORA-04091 mutating error since the trigger in the table is referencing itself to check for duplicates.
Also, I know there is something called a function based index, but I cannot use those with my code, so I need another solution if possible.
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Aug 1, 2012
I'm having trouble creating a view that has a not null column. Using this script you can see that the resulting table doesn't have a not null constraint for the first column even though both source columns for that row are not null. Is there anyway to force the view to mark that first column as not null? (I need it for ODP.NET otherwise I get an error there)
DROP TABLE MYTABLE;
CREATE table MYTABLE
( COL1 NUMBER(2) NOT NULL,
col2 number(2)) ;
drop table mytable2;
CREATE table MYTABLE2
[code]....
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Jun 10, 2011
I have output from select something like :
A_PID B_TEXT id_f
-------------- ----------------------------- -----------
23 B_text sample 9888888
and my question is how can I format the output to have it thinner .
I can do it for text: COLUMN FORMAT B_TEXT A5, but i dont know to apply it for fields with number e.g. A_PID column.
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Oct 15, 2013
I need to have columns dynamically defined in my SQL based on the column values in the table.
Selct emp_no,dept_no,grade from emp;
emp_no dept_no grade
----------------------------------
1 10 A
2 20 B
3 20 A
4 10 C
5 10 A
6 20 C
7 10 B
8 20 C
I need the output as
dept_no Count_A Count_B Count_C
---------------------------------------------
10 2 1 1
20 1 1 2
I can write hard coded sql to get this output but I need the count columns to be generated dynamically as there could be new entries in the grade column later. For example if there is a entry as D for the grade column my SQL should have a column count_D.
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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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Jul 22, 2010
In V$Archived_log, the column "name" showed No any content?
select name,SEQUENCE#,ARCHIVED,APPLIED,DELETED,STATUS,COMPLETION_TIME from v$archived_log
NAME SEQUENCE# ARC APP DEL S COMPLETIO
------------------------------ ---------- --- --- --- - ---------
2565 YES NO YES D 20-JUL-10
2566 YES NO YES D 21-JUL-10
2567 YES NO YES D 21-JUL-10
2568 YES NO YES D 22-JUL-10
2569 YES NO YES D 22-JUL-10
2570 YES NO YES D 22-JUL-10
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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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Jul 14, 2010
I want to be able to name a column created from my query.
Query is:
select A.OrigRef, A.DisplayName, A.ExtCode, count(CalcId)
from OrigRefView A, CalcView B where A.OrigRef = B.NewRef and A.OrigRef like 'AB%'
group by A.OrigRef, A.DisplayName, A.ExtCode
order by A.SusRef
and it returns the Count in "column4" Is there a way I can get the query to output a different column name without creating a whole new table (i.e. not by creating a new table for my query output and then running a new procedure at the end to rename the column...)?
i.e. I want "column4" to read "CountofCalId"
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Dec 22, 2011
I have a table with multiple rows for the KEY attribute(its not a primary key) and a Rank for each row.
I want a query which fetches one row per KEY attribute.The row with lesser Rank should be considered. But in-case if the value is null for any column the value for next Rank should be considered.
WITH TMP_TBL AS
(
SELECT * FROM (
SELECT 'A' DUN,'1' RNK,'A21' col1,NULL col2,'A41' col3,NULL col4 FROM dual
UNION ALL
SELECT 'A','2','A122','A23',NULL,NULL FROM dual
UNION ALL
SELECT 'A','3','A32','A33',NULL,'A35' FROM dual
[code].......
DUN is the KEY attribute . RNK is the Rank for each Row. COL1... COL4 are data attributes
The results I am expecting is
DUNCOL1 COL2 COL3 COL4
AA21 A23 A41 A35
BB12 B23 B15
CC12 C13 C33 C14
I want this to be done with SQL only. So I tried various ways but none were successful.Finally I created a Multi Row function row_nvl and it worked.
SELECT DUN,
row_nvl(rownvl_param_type(RNK,col1)),
row_nvl(rownvl_param_type(RNK,col2)),
row_nvl(rownvl_param_type(RNK,col3)),
row_nvl(rownvl_param_type(RNK,col4))
FROM TMP_TBL
GROUP BY DUN
But I don't think my manager will allow me to deploy a Multi Row function .
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Jun 25, 2013
i want to count group above report records! want to count department group employees there in time is not null!
my report query
SELECT div.division,
DEP.DEPARTMENT,
DEP.STRENGTH,
E.EMPLOYEECODE,
E.NAME,
DES.DESIGNATION,
[code].....
im doing it with formula column!
function CF_PRESENTFormula return Number is
v_emps number;
begin
select count(1)
into v_emps
[code]......
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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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Jul 5, 2012
How to insert null record (for some columns) in table using loop.
sample data of x_tab
order_id order_name
231 xxx
123
345
111 vvvv
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