SQL & PL/SQL :: How To Get Time A DML Was Last Ran On Table
Sep 14, 2011
Is is possible to get the time last DML was ran on a table.
My aim is to get the list of tables which were not modified(Select,insert,update,delete) within last one year.
DB version details:
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE 10.2.0.5.0 Production
TNS for Solaris: Version 10.2.0.5.0 - Production
NLSRTL Version 10.2.0.5.0 - Production
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Oct 18, 2010
We are doing a Proof of concept, and we created a test table with record count as 3,00,000(3 lakhs).
An update query takes, 9 minutes against this table.
Actual Scenario:
================
In client environment we have 75 million records. Here we have to run a set of update query against this table.
We need to give a estimated time for the update in our estimation plan. Can the estimated time be arrived based on the 9 minutes time above, or will the time increase if number of records increase.
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Nov 16, 2012
What is the need of Temp table in Oracle ? what is the advantage of Temp table over normal table ? Is temp table a log operation one. What is the scenario of using temp table in real time ?
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Jul 23, 2012
I am working on 10.2.0.4 oracle version database of my production,
when executed a simple drop command , the total time it took is 26 secs. on Avg. the table is holding only 20 records. this is happening for the last few weeks , prior to that it took less than 0 secs.
05:22:58 SQL> drop table C$_100GL_INTERFACE ;
Table dropped.
Elapsed: 00:00:26.67
but on successive executions the elapsed time falls to 10-15secs.
And on the same test env, we are achieving the expected results less than 0 secs.
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Apr 24, 2013
How do you Display Response time in HTML? I want to run a PHP script that displays the oracle response time in an HTML table.
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Aug 23, 2010
We were trying to insert approx 76 million records worth of approx 4 GB in a table when the insert operation failed with the archive log error.
The database was hanged, we re-started the database and currently there are no records in the table but when we are firing a select
select count(*)
from table
It's taking approx 2 mins to come out with the result.
We checked and found that there are no locks on the table currently.
what do we need to do to get the performance back
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Jun 20, 2013
How to find date and time of a column in table ?
say for example there is a column called 'date_txn' in a table .When i select that particular column it display output as 'June 2013'.But i want output "with date and time".
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Feb 4, 2012
how to insert data in two tables in same time
table1 --master table
table2 --transaction table
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Jul 24, 2013
how to get data from a Table in Date and Time format? Curently I'm using To_TIMESTAMP for a date range.
Here is the code Snippet -
Select *
FROM TABLE_Name
WHERE COUNTRY= 'IN'
AND CALC_DATETIME between TO_TIMESTAMP('2013/06/05', 'YYYY/MM/DD HH:MI:SS') AND TO_DATE ('2013/07/08', 'YYYY/MM/DD HH:MI:SS')
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Oct 20, 2010
I have a table which is getting populated from a source. I dont have a time-stamp column in the table. Is there anyway to find the time when a record was inserted into the table?
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Sep 20, 2010
We are firing a normal Drop command on our database and the database version is 10.2.0.4.The database is running on AIX v5.The command is taking more time than usual .
When i am monitoring the session i can see that a call is being made to procedure "aw_drop_proc".Could i ask you if this is something that is taking more time than usual.
We are not having any partitions on the nested tables .We have a pack of tables and we are dropping this pack through a procedure.The pack comprises of nested tables & normal tables.To drop a nested table it is taking around 6 seconds(Table with no rows) and a normal table(With no rows) it is taking 17 milli seconds.We have a partition on Normal table.
The same operation in windows is taking very less time when compared to AIX.
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Apr 29, 2013
i have emp table of 5 columns empno,ename,dept,sal,edit_timing(edit timing datatype is timestamp).and my form contains empno,ename,dept,sal. is if i insert a record into forms it automatically insert the date and timing into edit_timing columns.
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Apr 27, 2012
I have a table which contains 8,21,177 amount of data totally.Now I am trying to delete around 4,84,000 of data from this table by using just one filter i.e. my query is something like below
DELETE /*+ parallel(resource,4) */ FROM resource where created_by = 'MIGN'
This is going to delete 4,84,000 rows of data . But my current issue is this is taking lots of time to delete the data . To be precise , its almost taking 25 hours to delete this data..The created_by column is indexed .
Execution Plan
----------------------------------------------------------
Plan hash value: 2389236532
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time
|
--------------------------------------------------------------------------------
| 0 | DELETE STATEMENT | | 499 | 20459 | 39 (0)| 00:00:
01 |
| 1 | DELETE | RESOURCE | | | |
[code]....
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Nov 11, 2008
I have a table in one database and I want to replicate it in another two databases with materialized views. The refresh may be fast. Is this possible?
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Jul 12, 2011
How can i get the total time when using export a table?
for example:
exp userid=test/test file=d: est.dmp tables=(tb_test)
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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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Sep 13, 2012
I've a query like
update tab1
set col1 = ( select col2 from
tab2
where tab1.id = tab2.id) table 1 has arnd 10,000 rows
table 2 has arnd 1,700,000 rows and has a primary key on column id.This query is taking around 20 secs to execute. I checked the x-plan and most of time taken for table access by index rowid.I checked the stats for the tab2, its just three days old.
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Sep 18, 2013
need to build an application for registering the teaching hours of academic staff based on faculty's Time TableWhat is the best plugin for doing that?
For example, is this the best from your point of view - Region Plugin - SkillBuilders Calendaror the calendar region of apex can do that I need ability of adding lectures with their detail in flexible
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Jan 16, 2012
I use the following query to find out the remaining time to complete the table statistics which is running currently.
SELECT SID, SERIAL#, opname, SOFAR, TOTALWORK,username,context,
ROUND(SOFAR/TOTALWORK*100,2) COMPLETE
FROM V$SESSION_LONGOPS
WHERE
TOTALWORK != 0
AND SOFAR != TOTALWORK
order by 1;
SOFAR column shows 9325 and totalwork column shows 12287.How to calculate the columns in terms of hours and minutes ?
And also sometime the query never shows the output of the query for the current running query.
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Oct 3, 2011
I am getting error at compilation time. I want to insert images into table. The code is
declare
f_lob bfile;
b_lob blob;
begin
INSERT INTO imag VALUES(empty_blob())
return img INTO b_lob;
f_lob := bfilename( 'PIC', 'DESERT.JPG' );
dbms_lob.fileopen(f_lob, dbms_lob.file_readonly);
dbms_lob.loadfromfile( b_lob, f_lob, dbms_lob.getlength(f_lob) );
dbms_lob.fileclose(f_lob);
end;
errors are
[code]
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Mar 15, 2011
I want to use a function in join clause. so i go for pipelined function(using for loop to get record & 1 more loop to fetch in table type variable). i achieved what i required. but problem is it takes much time to fetch data. is there any other approach which returns table records without pipelined function.
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Feb 19, 2010
I have a form that the user has to enter a time of an event.
The time entered will most likely be in the past and NOT the current time.
What is the best way to set up a form and a database table for time entry only (exclude the date)?
I have tried datetime on the form with format HH12:MM PM and date on the database.
I have also tried the same with a timestamp on the database.
The time always appears to get entered correctly. However, the time is always stored as AM regardless of what is specified by the user.
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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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May 31, 2010
what i miss to load date and time from text file to oracle table through sqlloader
this is my data in this path (c:externalmy_data.txt)
7369,SMITH,17-NOV-81,09:14:04,CLERK,20
7499,ALLEN,01-MAY-81,17:06:08,SALESMAN,30
7521,WARD,09-JUN-81,17:06:30,SALESMAN,30
7566,JONES,02-APR-81,09:24:10,MANAGER,20
7654,MARTIN,28-SEP-81,17:24:10,SALESMAN,30
my table in database emp2
create table emp2 (empno number,
ename varchar2(20),
hiredate date,
etime date,
ejob varchar2(20),
deptno number);
the control file code in this path (c:externalctrl.ctl)
load data
infile 'C:externalmy_data.txt'
into table emp2
fields terminated by ','
(empno, ename, hiredate, etime, ejob, deptno)
this is the error :
C:>sqlldr scott/tiger control=C:externalctrl.ctl
SQL*Loader: Release 10.2.0.1.0 - Production on Mon May 31 09:45:10 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Commit point reached - logical record count 5
C:>
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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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