SQL & PL/SQL :: Local Timezone With Day Light Saving Time?
Oct 22, 2011
Order time is not properly displayed in the local timezone format and day light saving calculation is also another issue. Description:
We have web application & a centralized database where users can create orders globally. When orders are created time is saved in UTC format in the centralized global database.
somehow along with the UTC order time, timezone description is also being stored in one of the Database table as
UTC time as: '28-NOV-2010 11:24:54 PM'
Timezone description:
(GMT) Casablanca, Monrovia
(GMT) Greenwich Mean Time : Dublin, Edinburgh, Lisbon, London
(GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna
(GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague
(GMT+01:00) Brussels, Copenhagen, Madrid, Paris
(GMT+01:00) Sarajevo, Skopje, Warsaw, Zagreb
(GMT+01:00) West Central Africa
(GMT+02:00) Athens, Beirut, Istanbul, Minsk
(GMT+02:00) Bucharest
(GMT+02:00) Cairo
(GMT+02:00) Harare, Pretoria
(GMT+02:00) Helsinki, Kyiv, Riga, Sofia, Tallin
.....
...
With this information how can I map timezone description to V_$TIMEZONE_NAMES. I read Oracle automatically converts to local timezones by considering day light saving timings when TZNAME is given as input with the datetime. by using above timezone descriptions how can I get TZNAMES which are in V_$TIMEZONE_NAMES.
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Jan 27, 2013
the time in my online application is 1 hour later than is actually is. So 21.30is actually 20.30. This is my code:
select 1
from vex_rondes rde
where rde.datum_einde < current_timestamp
and rde.id = b_rde_idrde.datum_einde
is a date column filled with dates of course ins this format: 10-01-2013 20:45 (10th January 2013 20h45).How can I get this current_timestamp correct?
select 1
from vex_rondes rde
where rde.datum_einde+(1/24) < current_timestamp
and rde.id = b_rde_idbut that's not very elegant nor generic...
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Mar 6, 2012
Any way in sql to get the data from my local machine, where only client is installed, not the database.
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Oct 30, 2013
oracle Database 11g Enterprise Edition Release 11.1.0.6.0 - 64bit Production
PL/SQL Release 11.1.0.6.0 - Production
"CORE 11.1.0.6.0 Production"
I am trying to write a function that accepts LOCAL DATE, LOCAL TIME, LOCAL TIME ZONE, COUNTRY CODE as inputs, and UTC DATE, UTC TIME as outputs. LOCAL DATE, LOCAL TIME, LOCAL TIME ZONE has to be of DATETIME datatype, and COUNTRY_CODE of VARCHAR2(3).
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Sep 16, 2011
The data's are store in UTC time for all the country. we have to convert this to local country time. I build the procedure will generate the statement as per the country. But some of the timezone is working. like first example is working,second example is not working. I am getting following error.
dbtimezone is UTC-4
ORA-01882: timezone region not found
ex1: update Test.Maindata set MODIFIEDDATE=FROM_TZ(CAST(MODIFIEDDATE AS TIMESTAMP),'GMT') AT TIME ZONE 'America/New_York';
ex2:update Test.Maindata set MODIFIEDDATE=FROM_TZ(CAST(MODIFIEDDATE AS TIMESTAMP),'GMT') AT TIME ZONE 'Asia/Amman';
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Mar 6, 2012
I have a UI which is java and database in oracle 10g and database resides in India. Now the user use this application across the world. Date related value stores in IST format.
Now the requirement is whenever any user open the application in USA ,then date value should convert into their local time zone. So is there any way in oracle to convert and show the date value according to their local time zone.
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Jan 19, 2013
SNRCTL> stat LISTENER
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for IBM/AIX RISC System/6000: Version 11.2.0.1.0 - Production
Start Date 19-JAN-2013 00:50:10
Uptime 0 days 0 hr. 29 min. 51 sec
Trace Level off
Security ON: Local OS Authentication
[code]....
In every oracle documentation for e.g:11.2 Scan and Node TNS Listener Setup Examples [ID 1070607.1] we found the local listener status showing both local-ip and vip. Why is not showing in our case?
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Sep 16, 2011
I need to convert the type of GMT to Local time, during data entry. I have a source table and a target table.
To make the insert get the most value, I have no problems:
insert into destination (SELECT * FROM WHERE source pointnumber = (SELECT MAX (pointnumber) FROM source));
But since times are different between the tables, I want to convert the data obtained to GMT -4:30 Time (Caracas - Venezuela), before inserting it.
I can use a function?
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May 23, 2013
I need the timezone of the server that the DB sits on. I don't want the offset. I need the region name. This is because some regions use daylight savings time and some do not. Plus an SA can change the time of the OS. Another company manages our servers and DBs in production and we don't have contact with them. We could use a lookup talbe and just populate it, then update it when we find out what it is in production. The problem is that I have seen cases where the timezone on servers change. Considering the lack of contact between the teams, we really need a reliable way to get the timezone out of the DB.
We tried several ways. My list is below and I explain why this is not working.
examples:
sessiontimezone: this is the timezone of my server. In theory it should be the same as the DB. We cannot take the risk that this will be out of sync. dbtimezone: This gives the offset. Such as -5:00 for US EST. There are multiple regions that have this. Some do not use daylight savings time and some do. We would need America/New York instead.
sessiontimezone gives the timezone setting for the client. This can be altered.
dbtimezone just gives the offset such as -5:00
We get data feeds from different parts of the world. We get some data based data that is local to that regions timezone. We need to partition on this field. So we need to add a field to the DB and normalize it to the time local to our DB Server. So if we get a record from california and the DB is on a server in US EAST, we add 3 hours. The offset won't work...
1. a timezone that we are getting from may not be in daylight savings time. We are partitioning by hour.
2. We would hit daylight savings time in New York before we hit it in California, so we would need to account for that in the math.
This hourly partition is a fixed and hard requirement. We need this to be absolutely accurate.
Here is what we tried:
What I want (pseudo-code): “Select XXX as timezone_region_name” to return “America/New_York” or “UTC”. It may be that the timezone was not set for the database at install time, and if it were, these queuries would work.
-- FAILED
SELECT DBTIMEZONE FROM dual;
--FAILED
select systimestamp, to_char(systimestamp, 'TZR'), extract (timezone_region from systimestamp) from dual;
--FAILED
SELECT systimestamp
AT TIME ZONE DBTIMEZONE "DB Time"
FROM DUAL;
--FAILED
select to_char(systimestamp, 'TZR') from dual;
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Jun 12, 2013
When I try to store the xml as clob with element:
<revisedDate version="1">2013-06-10T11:00:00+11:00</revisedDate>
It is throwing �ORA-01830: date format picture ends before converting entire input string�
But when I insert with
<revisedDate version="1">2013-06-10T11:00:00+05:30</revisedDate>,
it is getting inserted successfully.
PS: my db timezone is +00:00
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Mar 6, 2013
If I run the following query it's executing fine.
SELECT CAST(( FROM_TZ(CAST(SYSDATE AS TIMESTAMP),'CST') AT TIME ZONE ('Japan'))
AS DATE) FROM DUAL;
If I run the following query,I am getting the error.
ORA-01882: timezone region not found
SELECT CAST(( FROM_TZ(CAST(SYSDATE AS TIMESTAMP),'LMT') AT TIME ZONE ('philippines'))
AS DATE) FROM DUAL;
What is the timezone for Philippines.
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Sep 14, 2012
I have an interesting problem. I have a server in the UK and I have three databases globally - UK (FINUKQ1), NY (FINNYQ1) and TK (FINTKQ1). The NY and TK databases will be migrated to the UK server as part of a consolidation project. Obviously, Time Zones and DST are the biggest concern for me.Here was my plan for the implementation (concentrating on Time Zone/DST issues).
Added to .profile:
--------------------
if [[ "$ORACLE_SID" = "FINTKQ1" ]]; then
export TZ="Asia/Tokyo"
elif [[ "$ORACLE_SID" = "FINNYQ1" ]]; then
export TZ="America/New_York"
else
unset TZ
fi
echo "TZ=$TZ"
Once environment has been set start database and listener.
Change database TZ:
-----------------
alter database set time_zone='Asia/Tokyo';
alter database set time_zone='America/New_York';
Check database TZ:
select dbtimezone from dual;
Add trigger:
------------
CREATE OR replace TRIGGER sys.timezone_check
AFTER startup ON DATABASE
DECLARE
[code]...
The trigger was there to put the database in restricted session if it is started in the wrong TZ and an error written to the alert log. The check was done on the dbtimezone and the dbname. Quite simple. Only issue is that it doesn't work as I wanted as dbtimezone and TZ are separate and disparate entities. i.e. I can start the TK database up in UK time (which will be incorrect for this project), and check the dbtimezone and it will show as 'Asia/Tokyo'.
Is there a better way of checking? Any trigger like this to compare TZs etc?
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Jan 7, 2013
I am using the below query to get time stamp along with time zone format.
>>SELECT CURRENT_TIMESTAMP FROM DUAL
Now the requirement i got is i need to get convert the format in DD-MON-YY, HH:MM:SS, Timezone (GMT or PST)
how to convert this format. Or is there any alternative time stamp option to do conversion.
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Oct 10, 2012
I've written this code to present the problem:
declare
region_date varchar2(100);
region varchar2(100);
offset_result varchar2(100);
begin
region_date := '2013-04-07 01:59 Australia/Sydney';
region := 'Australia/Sydney';
select
to_char(
[code]....
What I want to do is to use the variable "region" for the timezone specification as well,And I seem to be unable to, and don't understand why.....
why when I get an "ORA-00907: missing right parenthesis" with this value,Whereas, it works when I put "AT TIME ZONE 'Australia/Sydney'" there?
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May 24, 2012
I have one issue My server is in france and it is in french timezone but when I query for sysdate it returns US time.
In '/etc/sysconfig/clock/'
Zone= europe/paris
UTC= true
echo $TZ variable is returning nothing.
sysdate = us time
systimestamp= us time
current_timestamp = french time
current_date = french time
dbtimezone= europe/warsove, sessiontimezone=+2.00( which is also europe timezone offset)
tz_offset(dbtimezone)=+2.00, tz_offset(sessiontimezone)= +2.00 i.e europe
os timezone= europe/paris.
This command "./emctl config agent getTZ" is also returning timezone as europe/paris
Also in "emd.properties" file "agentTZRegion" parameter is set to europe/paris
Oracle version= 11.2.0
Now I don't understand why this sysdate and systimestamp is returning "US time zone" while everything else is returning french time zone.
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May 15, 2011
I'm in the process of testing a restore/recover from a simulated full system and media loss. A level 0 backup was taken from the server, and I'm trying to restore/recover to a point in time on a second server. I have created the database (with the same name) and have been able to successfully restore both the controlfile and spfile from the autobackup.
how does RMAN treat the "set until time"? The level 0 was taken on a database/server that is in CST while the database I'm trying to do a restore/ recover to is in EST. So when trying to do a point in time recovery, should I specify the time in EST or CST?
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Jan 20, 2013
I'm going to migrate my current db 9.2.0.8 (Timezone version is 1!) to a new server 11.2.0.3, so I was wondering if I must upgrade timezone version of my current 9iR2 to version 4! Before upgrade it...Btw my new server has timezone v14.
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Aug 31, 2010
How to change db timezone parameter. My application team has asked me to change the db timzone parameter by following sql.
ALTER database SET TIME_ZONE = '+10:00';
Is this way is the correct one , and do we have any impact on database and does it require a db bounce.
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Mar 6, 2012
I have a requirement in which a particular a timestamp column (date1) whose values are in CET timezone needs to be converted to EST and day light savings should be taken care of in the conversion logic. I should not use any ddl statements for altering the timezone and all.
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Jun 21, 2012
I have a table with the following columns
EMPLOYEEIDNUMBER(12,0)
PUNCHDTM DATE
TIMEZONEIDNUMBER(12,0)
I want to return any results where any employee id that has 2 different timezoneid's on the same date. I would actually like, if its possible, to select these entries to display on one row per employee per day. So for example
EMPLOYEEID - PUNCHDTM - TIMEZONEID - PUNCHDTM - TIMEZONEID
12345 - 6/20/2012 5:00 am - 123 - 6/20/2012 10:00am - 456
To me who is newer with SQL this sounds like i would be 'joining' the table to itself so i've searched for that but not found what i need.
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Jun 14, 2012
I am having an issue to connect my C++ application to my Oracle DB. When my code calls
oracle::occi::Environment::createEnvironment(),
I get an error "ORA-01804: failure to initialize timezone information".
The application works on other people's Windows machine with their Oracle DB. But it doesn't work from my machine connecting to their Oracle instance. So I guess the issue does not come from my instance but rather from my Oracle dlls maybe?
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0
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Jul 16, 2013
I want to create a xml file for a particular query and i have used the following
SELECT DBMS_XMLGEN.getXML('SELECT * FROM EMPL_NEW') FROM dual:
the output of this is
<?xml version="1.0"?>
<ROWSET>
<ROW>
<ENO>10001</ENO>
<ENAME>rajkumar</ENAME>
[Code]....
and i need to save this as .xml file in a particular file directory in client machine and i have coded like this
DECLARE
F UTL_FILE.FILE_TYPE;
MYCLOB CLOB;
DIR_STR varchar2(100);
BEGIN
DIR_STR:='XML';
SELECT
DBMS_XMLGEN.GETXML('
[Code]...
XML is the name of directory name i have created in my user and I have also created the directory manually in D:/xml.
UTL_FILE package access given to public..
but still this error(refer the pic) exists!!
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Aug 23, 2011
if it is possible to save an email send from an ORACLE pl-sql packages in the Oracle database it self? The email is in my case created and send directly using the oracle utl_smtp-package.
I have no problems with attaching doc's and so on in this mail. But i simply cannot find a way to save, the email i'm sending in the Oracle-database. The purpose of saving the email in the DB is that i want to be able to reopen an send email, to se exactly what was send.
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Dec 5, 2010
I have created one master detail form where on master i have one field with name status and if the status is changed to A it will prompt me to another detail block where i will fill the details and in case after i entered the details and then i decide it not to save and come back to main form without saving...how i can do it . I used go_blok In detail to go to master it goes to master but when i am saving the master the details get saved along with it.I dont want to save the detail and go to master block.
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Jan 26, 2010
i have developed a form in 9i. can i view the fmx file on web. or tell me the extenstion what name of form should i use to save the form to view on the web.
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May 17, 2011
My query is: I have created a master-child forms on one canvas. In a child form i have to enter multiple records, but after entering every record its prompting me to save it. I want to avoid it and save the entire thing once all my records are entered.
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Nov 12, 2011
I am failed to saved image in the table via forms. (Although i have successfully updated the table with a procedure at PL/SQL level).
Here is what i have done.
1) Table created
create table prod
(pcode number,
image blob);
2) Made a form with guidence present at orafaq
3) It reads and saves image BUT enter/execute query does not show the image
4) even the following code gives me 0
select dbms_lob.getlength(image) from prod
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Feb 21, 2010
When creating objects, is there a way telling Oracle not to store(overwrite) procedures or other DDL in the database until the statements have no compilation errors?
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Dec 13, 2010
I've created Object Group which consists of (alert, parameters, visual attribute and property class). Now I want to save this Object Group.
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Jun 8, 2013
I AM WORKING ON FORM I WANT TO SAVE THE RECORD IN TO TABLES TABLE1,TABLE2 AFTER UPDATING THE
TABLE1..BOTH THE TABLE HAVE SAME COLUMNS'.
WHAT IS THE TRIGGER FOR THAT
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