PL/SQL :: How To Count
Feb 28, 2013
I have one tbale like
TABLE A with columns bu_code and bu_cty
bu_code bu_cty
12 ES
12 ES
13 AP
13 AP
so now i want to know the count for bu_code
like my output shd be
bu_code(12) ---count is 2
bu_code(13)------count is 13
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Nov 16, 2009
When we execute select count(*) from table_name it returns the number of rows.
What does count(1) do? What does 1 signifies over here? Is this same as count(*) as it gives the same result on execution?
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Nov 24, 2011
difference between count(1) and count(*). As i know count(*) will give number of rows irrespective of null and count(1) will not count the null.My Oracle version is 10 g.
SQL> select * from t1;
A B C
---------- -------------------- --------------------
1 2 3
2
5
SQL> select rownum,a.* from t1 a;
ROWNUM A B C
---------- ---------- -------------------- --------------------
1 1 2 3
2 2
3 5
4
[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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Mar 23, 2013
I'm using this code, and it performs fine, but I'm wondering if there is a more elegant way to do it--maybe with "ROLLBACK". Basically (as you can see) I need to get a normal count for each group but also for each group take a percentage of the total count (so all groups pct adds up to 100 (oh yeah, don't test for zero below, but just a test... )
select
c.Event,
c.code,
count(1) as calls,
total.total_count,
count(1) / total.total_count * 100 as pct_of_total
from
table1 c
[Code]....
[Edit MC: add code tags, do it yourself next time]
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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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Oct 9, 2008
say there is astring "mumbojumbo "i need the count of given string in it
ex:when o is given count shuld be 2 when m is given count shuld be 3
is there any pre defined function for counting a given string ...
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Mar 26, 2012
I have a table with the following fields :
RGS_CAN_PERIOD NUMBER(4)
RGS_ID_ELECTOR NUMBER(
FBD_NID VARCHAR2(14)
RGS_SURNAME VARCHAR2(40)
RGS_O_NAME VARCHAR2(40)
RGS_ALIAS VARCHAR2(30)
RGS_ADDR VARCHAR2(75)
RGS_ID_REG_AREA VARCHAR2(3)
[Code]..
I need a report as hereunder :
Reg. Area Age <=19 20 <= Age <= 24 25 <=Age <= 29 Total No. of Voters
xxxx 10 15 7 32
yyyy 5 7 3 15
I have work out a script but the age is not in a range
select *
FROM (select rgs_id_reg_area,
count(decode(fbd_age,19,fbd_age)) Age19,
count(decode(fbd_age,20,fbd_age)) Age20
FROM rubyvoterstat where vote ='Y'
GROUP by rgs_id_reg_area)
order by rgs_id_reg_area
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Feb 14, 2012
I have the following table with insert below.
CREATE TABLE ATTENDANCE
(
"REG_NO" NUMBER(7,0),
"COURSE_SEQ_NO" NUMBER(4,0),
"SECTION" VARCHAR2(1 BYTE),
"SEMESTER_CODE" NUMBER(1,0),
[code]...
How can I have the following output?
course_seq_nosectiontotal_recordscount_1count_0
322X20137
I tried decode but it could not find its way
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Mar 10, 2010
I am running this query but am not getting data that is correct.
SELECT a.prod_id, a.prod_name, a.artist_name, COUNT(*)
FROM po_my_purchase_tb a, cm_track_tb b
WHERE a.prod_id = b.prod_id and b.GNR_CD = 'GR000017' AND a.purchase_date > '10-FEB-10' AND ROWNUM<50
GROUP BY a.prod_id, a.prod_name, a.artist_name, a.buy_seq
ORDER BY COUNT(*) desc
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Mar 7, 2013
I need suing group by for getting count.I have a table with columns below
SYS_AUDIT_IDSYS_AUDIT_PROG_IDPROG_FINDING_ID_COUNT
178921652
178921641
178921631
179321521
179321511
179321501
179321491
179321461
I want to count number of SYS_AUDIT_PROG_ID for each audit and count of PROG_FINDING_ID_COUNT
I want to get
1789 3 4
I tried this query but this is not working
[code]select sys_audit_id ,count (sys_audit_prog_id), count(prog_finding_id_count) from
my_table sub
group by sys_audit_id [/code]
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Dec 13, 2012
I need to get an accumulated value for a count. E.g. The table has purchased date, purchased item, purchased item type. The count of purchased item groyup by purchased type on every purchased date. Now, we got the count value (purchased item). But, I want the accumulated count value on every purchased date. So that I will get that how many items has been purchased on a particular date.
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Nov 16, 2011
I pulled in 1121 SSN's into a table and am using that table as the basis for returning data from other tables...including how many documents a user has in their folder.
My query; however, is only returning 655 rows...it is returning only those rows that have documents in their folders. I want to return ALL rows...WHETHER OR NOT THEY HAVE A DOCUMENT COUNT (count(*)). How can I get all 1,121 rows to return? I would like the output to look like:
SSN LOCATION EMP_STATUS FOL_STATUS COUNT(*)
-- For those folders containing documents:
XXX-XX-XXXX WHATEVER WHATEVER WHATEVER 12
-- For those folders containing 0 documents:
XXX-XX-XXXX WHATEVER WHATEVER WHATEVER NULL
Here is the query in it's current state:
-- Get User/Folder/Doc Count Information
SELECT b.ssn,
b.location,
b.emp_status,
c.fol_status,
COUNT (*)
[Code]....
So again, my problem here is that...not all FOLDERS contain DOCUMENTS...but I still want the folder data lised...I just need it listed with either a zero count (0), or a NULL in the COUNT(*) column.
I'm trying the various joins, but none of them seem to be working.
I've tried the old 8i (+) join as follows:
AND c.fol_id = d.doc_fol_id(+)
I've tried the inner join:
AND c.fol_id(+) = d.doc_fol_id
...and I've tried the 9i method (left outer and full outer) using the following types of notations:
folder c full outer join documend d on c.fol_id = d.doc_fol_id
...so far, no luck. I'm still having only 655 rows returned (the 655 are those folders that HAVE document count > 0. Any folder that has zero documents in the document table just aren't being returned in the query.)
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Jun 14, 2007
we're having a few tables which queries about 10.000 articles. As we don't show them all at once we are using pagination and use the rownum to show only a limited number of the results.
Now as these queries are pretty complex we have to optimize them and since we use pagination we have to call our query twice (first we make a count(*) and then we call the small resultset of a few rows). Ofcourse we are looking for a solution to call it only once and still use the pagination. We could load the whole resultset of 10.000 results and let java show only a few but that makes our line between the oracle and webserver pretty heavy. Is there a way to call the total number of results and give back only a small resultset just in one query?
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Sep 24, 2012
I have a table employee
name title
A manager
B sales
c manager
D engineer
E marketing
I want to know how many people has title as manager?
the answer is 2 how to do the count, I can't do count(title), right ?
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Jul 13, 2011
SQL> select * from test11;
A B C
--------------------------------------
AA 123
BB 100 200
CC 300
AA
How to count no null in the above table
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May 3, 2013
oracle SQL,
Student(unique) has five races in a table
I need a select statement with student_id - 1 column
I need to count the number columns with values 'Yes' in them
the columns are race1,race2,race3,race4,race5 for a single row --- this should be 2 ndcolumn
The 3rd column should contain the max of the race having 'yes' in them
i.e if race1 and race 3 have values'yes' in them i need 3 in the next column, - 3rd column
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Jan 8, 2013
i was just looking to find out how it is possible to select * from a sub select that has data coming from 2 tables.
For example:
select *, count(*) AS Count
from
(
select ....does not work, but i am not sure how i can select all fields from the sub query.
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Apr 23, 2012
I want the number of UNITS with the Status EN/PL for AREA 3/6
ID 1 has area 3 and 6 but only EN so count 1 (no PL)
ID 2 has area 6 but DR so no count
ID 3 has area 3 and 6 for EN and PL so 1 for each
ID 4 has area 6 three times and 3 once so count.
CREATE TABLE DAN_T1
(
ID varchar(8),
AREA varchar(8),
UNIT varchar(8),
STATUS varchar(8)
)
[Code]...
WANT:
IDENROLLEDPLANNED
11 0
20 0
31 1
41 3
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Jul 2, 2011
In oracle query can i want find out how many day wise count for a year days (for example how may sundays, mondays, tuesdays, wednesdays ,thursdays,fridays,saturdays) in a given year (we can give the start day of the year and the end day of a year).
example
----------
jan sun-5 mon-4 tue-5 wed-5 thu-5 fri-4 sat-5
feb ------------do---------------------------------
like this for all 12 months at a single query.
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May 6, 2009
I have written a script to get count of each tables of a schema.
DECLARE CURSOR c1 IS
select distinct table_name from all_tab_columns where OWNER='PLAY';
countrows NUMBER;
[Code].....
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Aug 30, 2012
I am trying to run a query that will count the number of each occurrence of a combined month and day. Birthdays are formatted as: 1947-07-26 00:00:00
I need to query everyone in the system who share the same month & day, but not year & time. For example:
1927-07-26 00:00:00
1927-07-26 00:00:00
1987-07-26 00:00:00
1965-07-26 00:00:00
1981-03-14 00:00:00
would give me a Count of 4 for 7/26 and a Count of 1 for 3/14
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Jun 18, 2007
I' m doing a query on multiple tables willing to get only top scorers from a certain round. Here's the relevant part of relation:
SOCCER_TEAM(TEAMID, NAME, CITY)
PLAYER (PLAYERID, NAME_SURNAME, DOB, TEAMID)
GAME_STATS(ROUNDID, GAMEID, TIME, PLAYERID, STATTYPE)
TIME is No between 1-90 representing the minute of the game
STATTYPE is IN('GOAL', 'OWN GOAL', 'RED', 'YELLOW')
Here's my sql code for the query:
SELECT ROUNDID, NAME_SURNAME, NAME, COUNT(STATTYPE)
FROM GAME_STATS, PLAYER, SOCCER_TEAM
WHERE PLAYER.PLAYERID IN (SELECT GAME_STATS.PLAYERID FROM GAME_STATS WHERE STATTYPE='GOAL' AND PLAYER.TEAMID = SOCCER_TEAM.TEAMID)
AND STATTYPE='GOAL'
AND GAME_STATS.PLAYERID = PLAYER.PLAYERID
GROUP BY ROUNDID, NAME_SURNAME, NAME
ORDER BY ROUNDID, COUNT(STATTYPE) DESC
This results in correctly displaying all scorers from all the rounds, yet I haven't been able to construct the HAVING clause to display ONLY the top scorers from each round (there can be multiple of them scoring equal top amount of goals and I need to show them all)
p.s. I have underlined primary keys, while foreign keys are in cursive, if it is of any relevance
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Aug 27, 2010
I would like to give back to the our application user a page of results for a given query along with the total result count, something like: "Showing 1-25 of 650 total results".
Currently I am doing this by submitting a second query:
select count(*) from (<previous query criteria>)
Is there a better performing approach I could be using?
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Mar 31, 2009
SQL> select count(*) from tab;
COUNT(*)
----------
63
I need to find out how many rows in each table.I've tried with cursor.
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Apr 16, 2010
from the below string i want to find the count of the "<-" using a single query.
string is "aaaa<-bbbb<-ccccc<-ddddd<-eeeeee<-ffffff<-"
If not the query, pointer on using SQL functions.
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Mar 28, 2011
I'm having trouble with some SQL code regarding count and an outer join.
Here is my code.
SELECT o.salespersonid, Count(*) from
salesperson s, Ord o
Where s.salespersonid(+) = o.salespersonid
Group By o.salespersonid;
Where salesperson is a salesperson table and ord is a table containing orders.
The orders table contains a FK to salespersonid in the salesperson table.
I want it to return all salespersons along with the amount of orders they are on. It works but does not show the ones that do not appear on any orders hence the outer join.
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Oct 5, 2011
this is my code
DECLARE
V1 VARCHAR2(100);
V2 VARCHAR2(100);
V3 VARCHAR2(200);
BEGIN
[code]......
if i want to dynamically enter the three to four names then i want the count of those names .
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Feb 1, 2012
I have following query which gives currency code from two different tables. I would like to get the distinct count of currency codes from these two different columns.
SELECT eb.person_seq_id, eb.bonus_amount, eb.currency_cd, ed.currency_cd_host
FROM fr_emp_bonuses eb, fr_emp_details ed, fr_periods p
WHERE eb.person_seq_id = ed.person_seq_id AND ed.period_seq_id = eb.period_seq_id
AND ed.period_seq_id = p.period_seq_id AND p.period_status = 'CURRENT'
AND eb.bonus_amount >= 0 AND eb.person_seq_id = 3525125;
This query gives following result
3525125240000USDINR
35251250 USDINR
352512560000 USDINR
352512550000 USDINR
There are two distinct currency codes (USD, INR) and total amount is 350000. So I am looking for a query to give me the following result
3525125350000 2
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May 31, 2013
I need to modify my query so that it can give me a total(duration) and total(stlmntcharge) per day in april 2013 starting from the 1st till the 30th. At the moment my query looks like below:
SELECT sum(duration),sum(stlmntcharge)
FROM voipcdr
WHERE (calldate >= TO_DATE('20130401','YYYYMMDD') AND calldate <= TO_DATE('20130430','YYMMDD'))
AND (remtrunkid IN (SELECT UNIQUE trunkid FROM trunks WHERE description LIKE '%Telkom%' AND gw_range_id = '61' AND trunkid like '9%'))
or remip in(SELECT UNIQUE startip FROM gateways WHERE rangename LIKE 'vo-za%' OR rangename LIKE 'PC-IS-VOIS%')
AND direction = 'I'
ORDER BY calldate, calltime;
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