SQL & PL/SQL :: Query To Retrieve Number Of Not Null Rows For Each Column?

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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SQL & PL/SQL :: Hierarchical Query - Connect NON-NULL Rows To Preceding NULL Row

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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SQL & PL/SQL :: Rows With Column Value Always NULL

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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SQL & PL/SQL :: Query To Return Not Null Column Values With Priority

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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SQL & PL/SQL :: Query To Display Repeated Column Values As Null?

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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Select Number Of Rows From Query?

Jun 13, 2007

In sql plus How do I get the number of distinct rows of a certain value?

for example

select group_number from records group by group_number

How would I query for the total number of group_numbers in this query?

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Application Express :: Column Link Where Column Number Changes With Query

Feb 11, 2013

We are using Oracle 11g with Apex 3.2 on AIX. We are reporting data from customer satisfaction surveys. I'm using the following sql to create my report

<code>select * from(
select month,'Overall Satisfaction' as q_group, 1 as srt,Overall Satisfaction,site,
case when count(*) < 31 then '*' else
round((sum(ttos)/count(*))*100,0)||'/'|round((sum(bfos)/count(*))*100,0)||'/'||count(*) end ospct
from v_XXX_report a,(select distinct month_dt month from v_XXX_report) b
where Overall_Satisfaction is not null and year_dt = 2012

[Code]....

The problem is that site is not allways present and sometimes I have other variables in addition to site. This creates a situation where the month columns will not allways appear at the same column number. For example, When I run this query as is then the "JAN" column is Col3 (first column is a break, col2 is not shown). When I run this query without site then "JAN" is the second column. I would like to create column links for the "JAN" - "DEC" columns but not for any other columns.

Another issue - in the column link creation screen I can create up to 3 variables that I can pass to the next page. Since my query is a pivot I'm uncertain how to pass the column heading or the row value (for col2)

ie
Overall Satisfaction JAN FEB MAR APR MAY ...
Overall Satisfaction 12/12/200 12/12/210 12/12/220 12/12/230 12/12/240...
Recommend 12/12/200 12/12/210 12/12/220 12/12/230 12/12/240...
etc.

So if I clicked on the values at Recommend:FEB how can I get "Recommend" and "FEB" into variables that I can use on the next page? I've tried #column_name#, #month#, #q_name# and #APEX_APPLICATION.G_F10# but no luck.

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SQL & PL/SQL :: Get Total Number Of Rows Returned By Query?

Sep 17, 2010

DECLARE
l_query VARCHAR2(4000);
TYPE cursor_type IS REF CURSOR;

[Code].....

How can I get the total number of rows returned by the query?

I want to be able to check omething like c1.ROWS = 0

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PL/SQL :: Retrieve Item With None Of Its Char Values As Null?

Oct 12, 2012

I have a table something as below

Things_t
Things Characteristic Char Value
Item 1 Colour Red
Item 1 Packaging
Item 2 Shape Square
Item 2 Brand Spunk

Now i want to reterive an item with none of its char values as Null. Using the query “ select distinct things from things_t where char value is Null ” will fetch the item 1 also together with item 2. i want to fetch a record from thing for which none of the char values are Null such as Item 2.

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SQL & PL/SQL :: Query To Convert Rows Into Column

Dec 11, 2009

I need a single select query which converts all the rows into a single value . Below is my requirement :

Create table email_tbl(emailid varchar2(30));
insert into email_tbl('1@y.com');
insert into email_tbl('2@y.com');
insert into email_tbl('3@y.com');
insert into email_tbl('4@y.com');

Now , I need a single select query which gives me the below results.

1@y.com,2@y.com,3@y.com,4@y.com

I have done the above by using a cursors in the pl/sql objects.But want to achieve this with a single sql/query.

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SQL & PL/SQL :: Query On Single Column To Display As Rows

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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SQL & PL/SQL :: Date Field - Not Null Column To NULL

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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SQL & PL/SQL :: How To Modify Null Column To Not Null

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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ORA-01747 - Oracle Reserved Words - Query Table Matching Database With NUMBER Column?

Oct 1, 2012

I am having issue with Oracle reserved words, one of the application is using table which has NUMBER as column. I am not able to query that table matching database with NUMBER column.

HERE

select a.*
from DOC a , FOLDER B
where a.NUMBER= B.INCIDENT_ID
and b.open = 'Closed'; I tried double quotes (“”) and sigle quotes too, none of them worked.

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SQL & PL/SQL :: To Retrieve Rows Which Have Same Buyer ID

Dec 1, 2010

My table "xxbuyer_det" contains the below data.

buyer_id Invoice_numPriceItem
------------------------------------
148137110A
149314211B
149314315C
149314415F
148120520D
148120625E

My requirement is to select the rows which have same buyer_id more than or equals to two times (>=2). I am trying with the below query. But this query is failing(not retrieving any data) as i have used group by class and count value is 1 for every record.

SELECT BUYER_ID, INVOICE_NUM, PRICE
FROM
xxbuyer_det
GROUP BY
BUYER_ID,
INVOICE_NUM,
PRICE
HAVING COUNT(*) >=2

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SQL & PL/SQL :: Retrieve Deleted Rows

Jun 13, 2013

how to retrieve deleted rows in oracle?

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SQL & PL/SQL :: Retrieve One Value For Phone Number?

Feb 24, 2010

I need to retrieve only one telephone number against the parent id. The preference is to get mobile if available if not home number else work phone. How can I achieve this

I have given the sql code and sample output below

select
pp.phone_id
,pp.parent_id
,pp.phone_type
,pp.phone_number
from per_phones pp

[code]....

Actual results should be

PHONE_ID PARENT_IDPHONE_TYPEPHONE_NUMBER
12960 2500H1 9385789
311108 146564M 04879652

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SQL & PL/SQL :: How To Retrieve Duplicate Rows From A Table

Jun 14, 2010

How to retrieve duplicate rows from a table, suppose i don't know any column names. Without hard-coding column names I need to find.

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SQL & PL/SQL :: Unable To Retrieve Rows From A Table

Mar 7, 2012

I have created a table called ct_temp and it's structure is:

create table ct_temp(id char(2),srs number(3),amt number);

Result : Table Created

I now insert the following rows into the table:

id srs amt

1 62 30000
2 65 50000
3 65 70000
4 65 80000
5 62 16000
6 65 10000
7 65 100000
8 65 10

Commit

Then I issue the following query to retrieve data based on a specific criteria (Actually I have condensed the table and data because in Production, I have large number of rows; so for simplicity I am using 8 rows with one table)

criteria : I then want to retrieve the following:

for srs = 62, all values that is greater than 10,000

Answer: select decode(srs,62,ab.amt)temp1 ,decode(srs,65,ab.amt)temp2 from ct_temp ab

where decode(srs,62,ab.amt)>10000

Works like a charm and retrives the results.

Now comes the big issue

I want to retrieve the values for srs = 62 which is greater than 10,000 and at the same time I also want to retrieve the values for srs = 65 which is less than srs = 62.

Typically I wrote the query as:

select decode(srs,62,ab.amt)temp1 ,decode(srs,65,ab.amt)temp2 from ct_temp ab
where decode(srs,62,ab.amt)>10000
and decode(srs,65,ab.amt)<decode(srs,62,ab.amt)

I should atleast get one row for srs = 65 which is id # 8 but it displays blank rows or "no rows returned".

I am actually preparing a ad-hoc report for the business analyst and stuck at this step due to which I am unable to proceed any further. I have used DECODE function because of the requirement specified by Business Analyst.

I have tried the following in the office:

using EXISTS operator = no luck
using INLINE VIEW = no luck

Is there any way around?

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Aug 15, 2012

I have two tables which have identical schemas, one table (tbl_store) is used to hold the latest version, and the other table (tbl_store_audit) holds previous versions. When the latest record is updated, it is inserted into the tbl_store_audit table as a revision, and the updated details are used as the latest record.

For example: The latest version is held in tbl_store, however the tbl_store_audit may hold 5 records which are the past records used before changes were made - these are seen as revisions.

I want to be able to compare what has changed between each revision in the tbl_store_audit table. For example: Out of the 10 columns, the change between revision 1 and revision 2 was the size from XL to XXL. The change between revision 3 and revision 4 was the size XS to M and price 4.99 to 10.99, and so on.

Eventually i will create an APEX report that will show the user the revision number and what was changed from and to.

I seen in a previous post i need to note my oracle version: Oracle version 10.2.0.4.0

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How To Format Date To Retrieve Rows Result

Jun 6, 2008

I am trying to retrieve all rows with the date of May 23rd, 2008. Our data is stored with the date and time.

How do I format the where clause so that the time is taken off? I am still a newbie with oracle and what I have is this:

Select Distinct Table1.*, Table2.*
from Table1, Table2
where Table1.file_name = Table2.file_name
and Table1.downloaded_date = Table2.date_loaded
and downloaded_date = '23/May/2008'

Of course, it's the last line not working because I don't know how to format it and no rows are retrieved when there are definately May 23rd rows stored in there.

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May 21, 2011

I am working on form which consist of two block, now i need to know total record in detail block, but in form structure i have multiple details entry aginst 1 master entry and after going for next master entry the details of privious master entry are going for posting that's why i am unable to use the currnt_record function. function to retrive the total number of records in details tab.

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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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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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Jan 20, 2012

example

My table mst_product(product_code,product_name) and its value is (190,toy),(198,tim),(280,bush),(jupiter,top),(AUTO2,auto),(281,tig),(282,com)...and so on

I want to make a query to select those items which is equal to and greater than 280. So how we make a query.How select those items which does not have any alphabetic letters.

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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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Jan 6, 2011

I need a query to retrieve a particular string from all the columns and all tables in a specified schema.

For example:i had a value "Current" in a particular column in a particular table. i need to find this value if i don't know the table name and column name.

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Sep 30, 2011

example for retrieve data from blob column using pl sql procedure in oracle?

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Dec 2, 2010

the following statement gives each customer owns how many promotions.

Q:) how do i retrieve a customer who has max. promotions?

SELECT C.CUSTOMER_ID,COUNT(P.PROMOTION_ID)
FROM PROMOTIONS P,CUSTOMERS C
WHERE C.CUSTOMER_ID = P.CUSTOMER_ID
GROUP BY C.CUSTOMER_ID
=====================================================
CUSTOMER_ID COUNT(P.PROMOTION_ID)
-------------------------------------
001 | 5
002 | 8
003 | 4
004 | 6
005 | 5
006 | 3

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