Oracle / HTML DB and Times Ten
Hi
Just thinking aloud here really, but has anyone thought about using HTML DB against the new (to Oracle) Times Ten in-memory database. Apparently TT supports access via ODBC or JDBC or just regular SQL, so it should be possible to connect a regular Orace Db with HTML DB in it to an in-memory TT db.
Is this a stupid idea, does it have any real benefits, what does anyone think.
Jules
The benfits would be enormous. Basically, what used to require a round trip through the network would now come directly from RAM on the same machine as the application. However, I don't know how you would hook the 2 up. As far as I can tell, HTMLDB can only connect to an Oracle DB. If you did something hokey like use Heterogeneous Services to connect to TimesTen, you'd lose the whole benefit of the in memory architecture (cause you'd have to go through the DB to get the information).
I think we have to wait until HTMLDB becomes DB agnostic (or the write special DAD connectors for TT).
-Joe
Similar Messages
-
Is Oracle database Compatible with Times Ten database?
Hello All,
I need to use a temporary database in Oracle for some months.
Later on, I will need to migrate all data to a Times Ten database.
1. My doubt is if Oracle and Times Ten databases are compatible with
each other (specially when having this kind of cases) ?
2. In case the answer is YES to question 1, I would like to know if there are some
restrictions in that compatibility (type of data, any other issue, etc)
Best Regards
RubénRuben,
There are two areas you shoul look into regarding your project: SQL functionality and data types. TimesTen 6.0 supports a subset of the SQL features and data types currently available in the Oracle DB; also, TimesTen supports some native numberic data types that are not available in the Oracle DB.
If your end-game is to use the TimesTen database, then I would start with the TimesTen API and SQL Reference Guide (http://www.oracle.com/technology/documentation/timesten_doc.html)
Use the SQL functionality documented for TimesTen and pay attention to the common data types. For example, VARCHAR is handled differently from VARCHAR2 (where trailing spaces exist), DATE and Timestamp are handled differently, etc. Additionally, keep in mind most numeric values are declared using NUMBER in the Oracle DB, but not in TimesTen.
If you are an existing TimesTen licensed customer, please let us know your support ID(CSI) and we can contact you with more information on our future release plan to address SQL and data types compatibility.
By the way, what's the timeline for your project?
-scheung -
Hi ,
Any idea where we use this times ten in memory for oracle ?
Is it part of oracle applications or database.what exactly is its functionality ?
thanks!It is a completely separate product. Basically it is a database engine and responds to SQL requests. However, it uses a different stucture and is optimized to working in memory and not block oriented as is the traditional Oracle database. As a result, it works screamingly fast for databases that can fit entirely in memory.
It is occasionally used as a front end, or cache, to the traditional Oracle database.
If you want to get more information, you could look at Oracle's [TimesTen portal |http://www.oracle.com/technology/products/timesten/index.html] and communicate with people who actuvely use it in the [TimesTen forums|http://forums.oracle.com/forums/forum.jspa?forumID=244] -
Insert current date and time into Oracle date type field
I have a JDBC current date and time insert into Oracle 9i that almost works. It submits the current date and a fixed time into the Oracle date type field. I am using Tomcat 6.0.20.
For example if I insert the data at 7:24:04 PM on Feb 16, 2010 it will insert as: 16-Feb-2010 12:00:00 AM
The date part works but the time always shows 12:00:00 AM no matter what date or time the data is inserted.
Here is what I have for my JDBC inserts and I also tried something with DateFormat:
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Both keep submitting the date into Oracle as 16-Feb-2010 12:00:00 AM
Anyway to get the current date and time? For example if I insert the data at 7:24.04 pm today it should show as 16-Feb-2010 07:24.04 PM in Oracle.sportsMarkr wrote:
Date mydate = new Date(new java.util.Date().getTime());Please see the javadocs for java.sql.Date and note the part that says "...to zero"
[http://java.sun.com/javase/6/docs/api/java/sql/Date.html]
If you want a date and time then use java.sql.Timestamp. -
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<div style="position:absolute;top:1083px;left:151px;font-family:'Times New Roman';font-size:1pt;white-space:nowrap;">
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</div>
<div style="position:absolute;top:139px;left:262px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;"><b>Name </b>
</div>
<div style="position:absolute;top:131px;left:415px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;"><b>Number of Shares </b>
</div>
<div style="position:absolute;top:147px;left:458px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;"><b>Held </b>
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<div style="position:absolute;top:147px;left:567px;font-family:'Times New Roman';font-size:10pt;white-space:nowrap;"><b>shares held </b>
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<div style="position:absolute;top:179px;left:618px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">34.00%r
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<div style="position:absolute;top:179px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:220px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:220px;left:618px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">13.42%
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<div style="position:absolute;top:220px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
</div>
<div style="position:absolute;top:260px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Ray Rider Limited 27,170,000
</div>
<div style="position:absolute;top:260px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:300px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:341px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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</div>
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<div style="position:absolute;top:502px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">1.59%
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<div style="position:absolute;top:502px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:550px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Equities Ltd
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<div style="position:absolute;top:542px;left:472px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">4,150,000
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<div style="position:absolute;top:542px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:542px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">1.53%
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<div style="position:absolute;top:575px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Bond Street Custodians Limited - A/C
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<div style="position:absolute;top:623px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.96%
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<div style="position:absolute;top:623px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:663px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Skeet Nominees Pty Ltd 2,276,736
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<div style="position:absolute;top:663px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:663px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.84%
</div>
<div style="position:absolute;top:663px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:704px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Diederik de Boer 1,917,561
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<div style="position:absolute;top:704px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:704px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.71%
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<div style="position:absolute;top:704px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:744px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Ecapital Nominees Pty Limited 1,594,736
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<div style="position:absolute;top:744px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:744px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.59%
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<div style="position:absolute;top:744px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:777px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Neweconomy Com Au Nominees Pty 9
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<div style="position:absolute;top:784px;left:472px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">1,594,7360
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<div style="position:absolute;top:784px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
</div>
<div style="position:absolute;top:784px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.59%
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<div style="position:absolute;top:784px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
</div>
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<div style="position:absolute;top:825px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:865px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Argo Investments Limited 1,050,000
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<div style="position:absolute;top:865px;left:531px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:865px;left:625px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">0.39%
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<div style="position:absolute;top:865px;left:663px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">
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<div style="position:absolute;top:905px;left:161px;font-family:'Times New Roman';font-size:11pt;white-space:nowrap;">Idameno (No 79) Nominees Pty Limited 724,210</div>
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Thanks.......................... -
Unable to insert into oracle db using times ten
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java.sql.SQLException: [TimesTen][TimesTen 6.0.4 ODBC Driver][TimesTen]TT5105: OCI initialization failed. -- file "bdbEnv.c", lineno 275, procedure "ttBDbEnvAlloc"
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First Connection
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I tried a select on the table before insert and it worked. Using ttisql I can insert into this table without any problem. Using a standalone java program I am able to insert data into this table. But from within an appserver I am facing this issue.
Thanks in advance for any help.
Regards,
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Are you logged in as the user that owns that table?
Yes.
If yes, then there are no triggers on this table.
That is true.
You will need to populate the ID column with your insert statement.
Just did that.
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Isn't there some way that it will list the name of the sequence currently being used in a table? -
Times ten to improve performance for search results in Oracle eBS
Hi ,
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Can anyone please clarify if Times ten can be used to improve performance on the eBS database , if yes how.Vikash,
We were thinking along the same lines (using TimesTen for massive item search in e-Business Suite). In our case massive Item / parametric search leveraging the Product Information Management application. We were thinking about setting up a POC on a Linux Server with a Vision Instance. We should compare notes?
SParker -
Caching configuration (Times Ten - Oracle 10g)
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DanHi Dan,
In the same way that you can create cache groups through a ttIsql script you can also load them from a script using the LOAD CACHE GROUP and REFRESH CACHE GROUP commands.
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As for starting the cache agent 9or the repagent0 automatically, this kind of depends on how you are managing the startup/shutdown of the cache datastore (i.e. what itss ramPolicy is). You can set the cachePolicy for the datastore using ttAdmin as follows:
ttAdmin -cachePolicy always DSNname
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Chris -
How to load date and time from text file to oracle table through sqlloader
hi friends
i need you to show me what i miss to load date and time from text file to oracle table through sqlloader
this is my data in this path (c:\external\my_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
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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:\external\ctrl.ctl)
load data
infile 'C:\external\my_data.txt'
into table emp2
fields terminated by ','
(empno, ename, hiredate, etime, ejob, deptno)this is the error :
C:\>sqlldr scott/tiger control=C:\external\ctrl.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:\>any help i greatly appreciated
thanks
Edited by: user10947262 on May 31, 2010 9:47 AMload data
infile 'C:\external\my_data.txt'
into table emp2
fields terminated by ','
(empno, ename, hiredate, etime, ejob, deptno)Try
load data
infile 'C:\external\my_data.txt'
into table emp2
fields terminated by ','
(empno, ename, hiredate, etime "to_date(:etime,'hh24:mi:ss')", ejob, deptno)
this is the error :
C:\>sqlldr scott/tiger control=C:\external\ctrl.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:\>
That's not an error, you can see errors within log and bad files. -
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I`d like to get current date and time using oracle.jbo.domain.Date method getCurrentDate(), but it always return current date and 12:00:00. I also need to get the current time.
I think you should use java.sql.Timestamp domain.
(And set database type to TIME or DATETIME.)
Jan -
Current date and time in narrative. html?
Hello,
I would like to include current time and date in the narrative of a report. The purpose of this is that when end-users export the report a time and date of export is inlcuded in the export so that I know when specific reports where exported.
I now have a workaround with added hidden date and time columns and showing only first rows of these hidden columns. This is quite a lot of work since I have to update about 75 reports with this date and time values.
Does any of you know how to include currentdat and time in the narrative with a html code?
Or are there other ways to achieve what I am looking for?
Thanks a lotHi,
We had similar kind of requirement.
We have created a repository variable "CurrentDateTime" and added this in each and every report in the narrative view as below.
Steps:
1.Leave the existing Table view or chart view as it is.
2.Add one narrative to the existing report.
3.Modify the narrative view and paste the below logic in that.
Current Date: @{biServer.variables.CurrentDateTime}
Hopes this helps.
Thanks,
Pramod -
How to find the Date and time of Installation of Oracle in Windows?
Hi ,
Is there any way to find the installation Date and time of Oracle in Windows?
Regards
RajeshIf you have never recreated/restored/reincarnated the database, then CREATED column from v$database should tell you when you created the database.
If you are looking for the date/time of installation of Oracle home, check the logs under OraInventory.
Reply by Satish sir at following link:
installation date/time of a database !!
Hth
Girish Sharma -
Geting and setting date and time in oracle using jdbc
can u send me a sample snippet which shows me how to set date and time to a column in oracle database where the column datatype is date.
and also send me the sample code to get the date and time from the above said column
thanks in advanceIf you want DATE with time normalized to midnight, use java.sql.Date. If you really want time, with hours/minutes/seconds/millis, use java.sql.Timestamp.
As for the best way to interact with the database, use java.sql.PreparedStatement and its get/setDate and get/setTimestamp methods. Those will escape dates for you properly.
Look for a JDBC tutorial on-line to see how to do this, or http://www.javaalmanac.com for the java.sql package examples.
% -
UNDERSTAND THE NEW DATE AND TIME DATA TYPES IN ORACLE 9I
제품 : SQL*PLUS
작성날짜 : 2001-08-01
UNDERSTAND THE NEW DATE AND TIME DATA TYPES IN ORACLE 9I
========================================================
PURPOSE
Oracle 9i 에서 소개되는 새로운 datetime data type 에 대해 소개한다.
Explanation
Example
1. Datetime Datatypes
1) TIMESTAMP
: YEAR/MONTH/DAY/HOUR/MINUTE/SECOND
2) TIMESTAMP WITH TIME ZONE
: YEAR/MONTH/DAY/HOUR/MINUTE/SECOND/
TIMEZONE_HOUR/TIMEZONE_MINUTE( +09:00 )
or TIMEZONE_REGION( Asia/Seoul )
3) TIMESTAMP WITH LOCAL TIME ZONE
: YEAR/MONTH/DAY/HOUR/MINUTE/SECOND
4) TIME WITH TIME ZONE
: HOUR/MINUTE/SECOND/TIMEZONE_HOUR/TIMEZONE_MINUTE
2. Datetime Fields
1) YEAR/MONTH/DAY/HOUR/MINUTE
2) SECOND(00 to 59.9(N) is precision) : Range 0 to 9, default is 6
3) TIMEZONE_HOUR : -12 to 13
4) TIMEZONE_MINUTE : 00 to 59
5) TIMEZONE_REGION : Listed in v$timezone_names
3. DATE 와 TIMESTAMP 와의 차이점
SQL> select hiredate from emp;
HIREDATE
17-DEC-80
20-FEB-81
SQL> alter table employees modify hiredate timestamp;
SQL> select hiredate from employees;
HIREDATE
17-DEC-80 12.00.00.000000 AM
20-FEB-81 12.00.00.000000 AM
단, 해당 Column 에 Data 가 있다면 DATE/TIMESTAMP -> TIMESTAMP WITH
TIME ZONE 으로 Convert 할 수 없다.
SQL> alter table employees modify hiredate timestamp with time zone;
alter table employees modify hiredate timestamp with time zone
ERROR at line 1:
ORA-01439: column to be modified must be empty to change datatype
4. TIMESTAMP WITH TIME ZONE Datatype
TIMESTAMP '2001-05-24 10:00:00 +09:00'
TIMESTAMP '2001-05-24 10:00:00 Asia/Seoul'
TIMESTAMP '2001-05-24 10:00:00 KST'
5. TIMESTAMP WITH LOCAL TIME ZONE Datatype
SQL> create table date_tab (date_col TIMESTAMP WITH LOCAL TIME ZONE);
SQL> insert into date_tab values ('15-NOV-00 09:34:28 AM');
SQL> select * from date_tab;
DATE_COL
15-NOV-00 09.34.28.000000 AM
SQL> alter session set TIME_ZONE = 'EUROPE/LONDON';
SQL> select * from date_tab;
DATE_COL
15-NOV-00 12.34.28.000000 AM
6. INTERVAL Datatypes
1) INTERVAL YEAR(year_precision) TO MONTH
: YEAR/MONTH
: Year_precision default value is 2
SQL> create table orders (warranty interval year to month);
SQL> insert into orders values ('2-6');
SQL> select warranty from orders;
WARRANTY
+02-06
2) INTERVAL DAY (day_precision) TO SECOND (fractional_seconds_precision)
: DAY/HOUR/MINUTE/SECOND
: Logon time 확인시 주로 사용
: day_precision range 0 to 9, default is 2
SQL> create table orders (warranty interval day(2) to second);
SQL> insert into orders values ('90 00:00:00');
SQL> select warranty from orders;
WARRANTY
+90 00:00:00.000000
7. Interval Fields
- YEAR : Any positive or negative integer
- MONTH : 00 to 11
- DAY : Any positive or negative integer
- HOUR : 00 to 23
- MINUTE : 00 to 59
- SECOND : 00 to 59.9(N) where 9(N) is precision
8. Using Time Zones
1) Database operation
- Defined at CREATE DATABASE
- Can be altered with ALTER DATABASE
- Current value given by DBTIMEZONE
2) Session operation
- Defined with environment variable ORA_SDTZ
- Can be altered with ALTER SESSION SET TIME_ZONE
- Current value given by SESSIONTIMEZONE
3) TIMESTAMP WITH LOCAL TIMEZONE
- TIME_ZONE Session parameter
: O/S Local Time Zone
Alter session set time_zone = '-05:00';
: An absolute offset
Alter session set time_zone = dbtimezone;
: Database time zone
Alter session set time_zone = local;
: A named region
Alter session set time_zone = 'America/New_York';
Reference Document
------------------Hi ,
I am facing the same problem and my scenario is also same (BAPI's).
So can you please tell me how you overcome this problem .
Thanks,
Rahul -
Use of Times ten database with Oracle Forms 11g
Hi,
We need to use some caching / pre-fetching solution with Oracle Forms 11g. Is there a possibility that Oracle Forms 11g can be used with Times ten database.
Regards,We have never tested TimesTen with Forms 11g but we suspect there are issues that may prevent if from being used.
Sorry.
Chris
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