SQL & PL/SQL :: Dividing The Time Period Into Weeks
Dec 14, 2011
I need to divide the given time period into weeks from Monday to Sunday .There should not be overlapping of two months, for a week.Every month should start from First day of that month to next Sunday .Same thing can be done by following PL/SQL block . let me know if there is any simple way by using query instead of block .
declare
pid_from_date date := '01-JAN-11';
pid_to_date date := '31-dec-11';
ln_number number := 0;
ld_from_date date;
ld_to_date date;
begin
[Code]....
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Apr 21, 2011
I am trying to break down a row of data that has nine periods that I want to enter into a table one period at a time. I am trying to use "IF EXISTS ( SELECT * FROM TABLENAME WHERE FIELD1 IS NOT NULL) THEN" through all nine fields. It keeps returning lines that have a null column as well as not null columns. if there is a better way of doing this. Here is an example of what I am trying to do:
IF EXISTS (SELECT * FROM TABLE_NAME WHERE LAST_DT9 IS NOT NULL) THEN
SELECT NUMBER, 1COL9, 2COL9, 3COL9, FIRST_DT9, LAST_DT9, 4COL9
FROM TABLE_NAME;
ELSE IF EXISTS (SELECT * FROM TABLE_NAME WHERE LAST_DT8 IS NOT NULL) THEN
[code]...
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Mar 26, 2011
I am writing a query where I need to get the total points the student received on assignments, this is in the grade table. I then need to divide that total from the total amount of points possible, located in the assignment table. At the end all I should see is the student_id and the percentage of the students grade.
Here is where I am so far
SELECT s.student_id, SUM(g.points)/SUM(a.points_possible) "GRADE"
FROM student s, grade g, assignment a
WHERE s.student_id = g.student_id
AND g.assignment_id = a.assignment_id
ORDER BY student_id;
However when I execute this is the error I get:
WHERE s.student_id = g.student_id
*
ERROR at line 3:
ORA-00937: not a single-group group function The asterisk's should be under the g I couldn't get it to line up.
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Sep 18, 2011
I have to optimize a batch job which returns > 1 lakh records . I have a commit limit being passed . I am planning to divide the cursor records for processing as follows. If the cursor suppose returns 1000 rows and the commit limit passed is 200 , then i want to fetch 200 records first , bulk collect them into associative arrays and then bulk insert into target table.
After this is done, i will fetch the next 200 records from the cursor and repeat the processing. I would like to know how i can divide the cursor records, and fetch "limit" number of records at a time and also be able to go to the next 200 recs of the cursor next time.
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Sep 12, 2013
I want to delete the records grater than two weeks old.From Saturday to Friday we are considering as Week.
P_ID CREATED_DT
105 28/AUG/2013
106 29/AUG/2013
107 30/AUG/2013
108 31/AUG/2013
109 01/SEP/2013
110 02/SEP/2013
[code]....
From 28/AUG/2013 to 30/AUG/2013 records has to be deleted becuase thease records are two weeks old.
From 31/AUG/2013 to 06/SEP/2013 records belongs to one week and from 07/SEP/2013 to 13/SEP/2013 belongs to another week.Today is 12/SEP/2013 so from 06/SEP/2013 to 12/SEP/2013 should be existed in the table.Once date changed to 13/SEP/2013 then from 31/AUG/2013 to 06/SEP/2013 records has to be deleted.
I am posting table and insert scripts.
CREATE TABLE process_data(p_id NUMBER,CREATED_DT DATE);
INSERT INTO process_data VALUES(TO_DATE('28/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('29/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('30/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('31/AUG/2013','DD/MON/YYYY');
INSERT INTO process_data VALUES(TO_DATE('01/SEP/2013','DD/MON/YYYY');
[code]....
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Aug 27, 2010
wanna to make matrix report retrieve months year and the number of weeks from dual table it supposes to the weeks number is 52 or 53 week months and weeks on the rows please find attach pic it show what i need to do for exmple
month name: January February March April May June July August September Nov October December
no of week : 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-20-21-22....... TO 52 week
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Sep 14, 2011
Following is the scenario:
CREATE TABLE EMP_VACATION(
EMP_NO NUMBER(3),
VAC_TYPE NUMBER(1),
START_DATE DATE,
END_DATE DATE,
START_PERIOD_DATE DATE,
END_PERIOD_DATE DATE,
PRIMARY KEY (EMP_NO,VAC_TYPE,START_DATE))
[code]....
--How to calculate START_PERIOD_DATE and END_PERIOD_DATE for every time insert reocrd, like for 4 cases?
--I need to check start_date with last period date for same employee.
And based upon calculate START_PERIOD_DATE and END_PERIOD_DATE,,,,,
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Apr 27, 2011
I'm trying to write a cross tab query but which groups by periods.
Test Case: -
CREATE TABLE COMPANIES
(
"ID" NUMBER(9,0),
"CODE" NUMBER(8,0),
"DESCRIPTION" VARCHAR2(40 CHAR),
CONSTRAINT "PK_COMPANIES" PRIMARY KEY ("ID")
);
[Code]..
The cross tab is to have columns 1 - 31 which sum the quantity of the article sold. Represnting days of the month.
In addition the description of the company.
I would then like to end up with 3 entries in the results for each company, but these are for summing the quantity of articles by the following periods: -
Breakfast: 01:00 - 10:00
Lunch: 11:00 - 14:00
Dinner: 17:00 - 22:30
I hope that makes sense?
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Jun 7, 2012
i want to find the data which has the more then one rates available for the given date. Here below i've posted a test table. how can find the products for which, there multiple dates/overlapping period is available through sql statement.
SQL> CREATE TABLE STO.TEMP
2 (
3 ID NUMBER(8),
4 ITEM_ID NUMBER(8),
5 RATE NUMBER(5,2),
6 FROMDATE DATE,
7 TODATE DATE
8 );
[code]....
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Jun 28, 2012
CREATE TABLE CONTRACT
(
EQT VARCHAR2(10 BYTE),
SUBTYP VARCHAR2(3 BYTE),
FROM_DT DATE,
TO_DT DATE
);
[Code]....
The data in contract and lease table show like below.
contract
EQT SUBTYPFROM TO
ABCD100000DRY1/1/20121/7/2012
ABCD100000DCH1/7/20121/21/2012
ABCD100000GAZ1/21/2012
lease
EQT CONTRACTFROM TO
ABCD100000LS11/2/20121/10/2012
ABCD100000LS21/10/20121/17/2012
ABCD100000LS31/17/2012
Now required output should be
EQT SUBTYP CONTRACTFROM TO
ABCD100000DRY 1/1/20121/2/2012
ABCD100000DRYLS11/2/20121/7/2012
ABCD100000DCHLS11/7/20121/10/2012
ABCD100000DCHLS21/10/20121/17/2012
ABCD100000DCHLS31/17/20121/21/2012
ABCD100000GAZLS31/21/2012
The period for contracts should be in sequential order and should not overlap and if contract does not exist for that date period, then it should return NULL.
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Aug 12, 2010
I need to get the number of rows based on one condition for certain time period. For example, writing a query for 3(any) hrs , i need to get the output as count of rows as hourly basis. Like these:
Date Time Count
12/08/2010 16:00 234
12/08/2010 17:00 345
12/08/2010 18:00 645
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Sep 16, 2013
"ALTER PROFILE profile_name LIMITPASSWORD_LOCK_TIME 1"means the user account will be locked in a period of one day after FAILED_LOGIN_ATTEMPTS has gone over limit.How to set PASSWORD_LOCK_TIME less or more than one day (like not full days)?
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Apr 10, 2012
I have TableA which has data like below.
ID NAME CRT_DTE
1 AB 03/05/1992
2 EF 15/04/1995
3 CD 20/08/1995
4 GH 01/01/1999
5 UV 08/07/2001
[code]....
I want a query which splits the total time period (from min crt_dte to max crt_dte) into year ranges.For eg, lets say a range of 5 years then I need to get results like below.
start_dte end_dte
---------- ----------
03/05/1992 03/05/1997
03/05/1997 03/05/2002
03/05/2002 03/05/2007
03/05/2007 09/03/2012
how to write this query.
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Apr 5, 2011
want to write Procedure to return weeks and days from given set of days.
let suppose we have 72 days to return weeks and days then return should be 7 weeks and 2 days.Can i use date function Or ?
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Apr 17, 2013
In my production environment, I have a mostly working Oracle 12c Cloud Control environment, managing several database instances. On all of the databases, I am unable to use the Compare period ADDM feature ( Instance > Performance > AWR > Compare Period ADDM).
When I select that menu option, I see the message "To be able to use this feature some PL/SQL packages need to be loaded into the target database's monitoring schema, DBSNMP." I have been searching for further information in the specific packages that need to be loaded per the message, but neither Orafaq, [URL] nor Google seem to have those details.
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Aug 16, 2011
i want to select columns of 3 tables in such a way that period column should be in the group by function.
create view allocated_budgets_detail as
select ba.ba_fin_year, ba.ba_start_date, ba.ba_end_date, ba.ba_rev_no,
bh.bh_budget_code,
bd.bd_period,
bb.bb_entered_amount
from budget_header bh, budget_allocation ba, budget_distribution bd, budget_balance bb
where bh.bh_budget_id = ba.ba_budget_id
and ba.ba_line_id = bd.bd_budget_line_id
and ba.ba_line_id = bb.bb_budget_line_id
group by bd.bd_period
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Nov 18, 2011
Need to find out what the maximum number of concurrent logins are over a period of 1 month. We need to do this as we may need to buy more licences.
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Jun 4, 2012
When I try to extract the date tag value from XML data, the time stored in 20120602153021 format i.e., YYYYMMDD24HHMISS format. The following statement extracts only date as 02-JUN-12 however do not extract the time part.
If I try the same in SQLplus with to_date it works however fails in PL/SQL.
XML data:
<?xml version="1.0"?>
<RECORD>
<REGTIMESTAMP>20120601130010</REGTIMESTAMP>
</RECORD>
PL/SQL Extract:
CURSOR c_xml_record
IS
SELECT extract(value(d), '//ACTIVATIONTS/text()').getStringVal() AS REGTIMESTAMP,
FROM t_xml_data x,
[code].......
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Jul 25, 2013
how to set interval time every 4hrs in dbms_jobs but starting time 3.00am.
i am set trunc(sysdate)+4/24. but it will take starting at 12.00,4.00,.....in this way..
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Dec 27, 2010
I have one inline view query which shows exec\ fetch : 2 sec\ 19 sec It gives 500 rows as final out put, when i give rownum<100 it shows exec\ fetch : 1 sec\ 000 sec, and i cannot use this rownum< 100 alternative as this is inline subquery of big query.
What does this exec and Fetch time is?
How to improve fetch time, (esp with sub-query) ?
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Jun 16, 2013
I Have three field and first field for START TIME ,Second END TIME & Third DURATION AND Putting START TIME AND END TIME i am getting duration in minutes by using code
""SELECT TO_CHAR
(TRUNC (SYSDATE)
+ (TO_DATE (:T_DONATION_END_TIME, 'HH24MI') - TO_DATE (:T_DONATION_START_TIME, 'HH24MI')),
'HH24MI')
INTO :T_DONATION_DURATION
[code].......
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Jan 31, 2013
I have a table which stores apointment start times and appointment end times. For the sake of this thread I will call them appt.start_time and appt.end_time. I then have a check in time and a check out time for the customer. The only thing is they ONLY way to distinguish between a check in time and a check out time is which one has the earlier time and which one has the later time. Obviously the earlier time will be the check and the later time will be the check out.
This is fine, however sometimes they may forget to check a person in or out and I need to determine whether the time should be insert into the check_in column or the check_out column. To do this I was thinking of comparing the time with the appointment start and end time and if it was closer to the appointment start time put it into the check_in column and if its closer to the appointment end time put it into the check_out column. But I was wondering how I would go about doing this.
The time I will want to compare against the appointment start and end time I will store in a variable called v_time and have this as part of my query, im just unsure of what way to write the query so as to check if the time is closer to the start or end time.
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Jun 7, 2010
. I have this query:
select asl1.agentsessionid, asl1.endtime, asl2.starttime, 127 as agentstatus
from
(
select asl1.agentsessionid as sessionid1, min(asl2.agentsessionid) as sessionid2
from cti.agentsessionlog asl1
[code]...
As you can see from my where statement I want to compare the endtime with the startime. This query returns zero results. Is there a way to write the where statement different so I can have results?
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Sep 23, 2010
My time zone has the offset of 2 hrs during summer and 1 hr during winter.If I want Oracle to tell me what was offset for particular day for example I want to know the offset for February 01, 2010 and August 01, 2010, is it possible?
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Jul 4, 2011
I have an application in which time is show as . But, in the table in Oracle it is showing as 13:00. The application is taking the time from OS. OS time is 18:30 IST. Time in SYSDATE is also showing as 18:30. DBTIMEZONE is '+5:30'. what is the problem in Database and how that can be rectified to show the time as same as OS time.
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Oct 2, 2012
We have a Oracle 10g database with RAC and Dataguard. When we look at the AWR report, the wait time shown by Oracle for this database is very high.
Service Time : 15.36%
Wait Time : 84.64%
This would imply Oracle is waiting for resources 85% of the time and only processing SQL queries during 15% of its non-idle time. However when we check the OS (RHEL), the iowait is only about 10% and the CPU is 80% idle. This means that that processing horsepower is available.
As such, the results between the OS and Oracle database (AWR report) seems contradictory. OS says we have CPU/IO capacity, however Oracle says we don't.
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Apr 7, 2011
I'm using Oracle 11g and I have a bunch of indexes and I want to check if they are being used. I just ran my workloads and now I want to see when each one was last used so I can see if it was during my timeframe or not.
After I ran my test, I found the below, but since I did not enable this, plus I have many indexes.
--Monitor an index to see if it's used
alter index SAMPLE_INDEX monitoring usage;
select * from v$object_usage where index_name = 'SAMPLE_INDEX';
alter index SAMPLE_INDEX nomonitoring usage;
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Jan 24, 2012
I have a field " Tran_date with data type Date . This field contains date as well as time both . while I run this query :
select to_char(tran_date,'DD-MON-YYYY HH24:MI:SS') from ABC
WHERE lOC='1' ;
It is showing result :
21-JAN-2012 00:00:00
Why it is showing 00:00:00 although there is time like 08:25:12 Where is the problem ? Why I can'y see time . I need to change anything ,anywhere ?
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Jun 17, 2010
I have an issue while converting Date. I need to compare the Time Captured while comparing Dates,
find the following scenario,
SELECT TO_CHAR(ffdh.last_update_datetime,'DD-MON-RR-HH24:MI:SS') TIME_STAMP ,
ffdh.last_update_datetime,
to_date(ffdh.last_update_datetime,'DD-MON-RR-HH24:MI:SS') DATES ,
ffdh.fiscal_doc_id INVOICE_ID
[Code]....
Note That ffdh.last_update_datetime is DATE, and the Parameter for the value '17-JUN-10-01:30:17' is VARCHAR2
I suspect when I am doing to_date above both are converting only to Date and not having Time.
I checked the NLS_DATE_FORMAT as following,
SQL> show parameter nls_date_format
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
nls_date_format string DD-MON-RR
Do I need to Change the NLS_DATE_FORMAT ?
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Sep 27, 2011
I have a table with products (xPRODUCT), dates (xDATE) and parameters (xPARAMETER). Now I want to calculate the rolling 12 month average of the parameters over all products for all dates. I tried this:
select xDATE,
avg(xPARAMETER) over ( order by xDATE
range between numtodsinterval(365,'day')
preceding and current row )
[Code]....
... but this does not work. How can I do this?
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