Oracle Julian Date

I have an oracle date like this 1112260180
How can I change this to a date time so i can use a Min or Max function ?

Hi,
4e0dd858-387a-40ef-a3b0-de1fbd458a2c wrote:
I have an oracle date like this 1112260180
How can I change this to a date time so i can use a Min or Max function ?
Why can't you use MIN or MAX on the original number, without converting it?
Whenever you have a question, please post a little sample data (CREATE TABLE and INSERT statements), so the people who want to help you can re-create the problem and test their ideas. Also post the results you want from that data, and an explanation of how you get those results from that data.
Explain, using specific examples, how you get those results from that data.
Always say what version of Oracle you're using (e.g. 11.2.0.2.0).
See the forum FAQ https://forums.oracle.com/message/9362002#9362002
As Hoek said, are you sure that's a Julian date? Oracle DATEs only go up to Julian date 5373484.

Similar Messages

Julian date function.....

Is there any built in function in Oracle to get the Julian date for a given date?
Or if you have written a good function to accomodate the same plese share.
Example:
20080923 = getJulianDate(Today's date in date data type)
Thank you,
Smith

First link found when i asked for
Oracle Julian Date
http://www.psoug.org/reference/date_func.html
You may think to do a little research before posting questions here.

How to Convert Normal XML date or Oracle date to JDE Julian Date

We can do a simple mathematical step in XSLT :
'xpath20:format-dateTime(xpath20:current-dateTime(),"[Y0001][d001]") - 1900000'
Or in SQL :
Select to_char(sysdate,'YYYYDDD')-1900000 from dual;
Julian Date is: Year in 4 digits, YYYY, and Number of days in 3 digits, DDD
JDE Julian Date is Julian Date -1900000 (ie it counts Julian date from 1900 Year)
"[Y0001][d001]” returns date in Year in 4 digit + number of days in 3 digits. This is the Julian date.
Subtracting 1900000 ( ie YR ’1900’ & DAY ‘000’) gives the required JDE Julian Date.
Edited by: prakash.pankaj on Jul 8, 2011 2:13 PM
Edited by: prakash.pankaj on Jul 8, 2011 4:02 PM
Edited by: panks on Jul 20, 2011 3:43 PM

Hi,
getTime() (in Date) will give you that date in milliseconds since January 1, 1970 00:00:00 GMT.
To my knowledege, this is the same as Unix date format.

Conversion of Hiredate to Julian date

Hi Gurus,
Need help in Conversion of hiredate of emp table to Julian date...
to_date('HIREDATE','YDDD')
Thanks

Hi,
SeenuGuddu wrote:
Hi Gurus,
Need help in Conversion of hiredate of emp table to Julian date...
to_date('HIREDATE','YDDD')
ThanksIf you have a DATE column called hiredate, then you can use TO_CHAR to display it in the format you want, like this:
TO_CHAR (hiredate, 'YDDD')Notice that there are no quotes around the first argument.
Use TO_DATE if you are starting with a string and you want to produce a DATE. For example:
TO_DATE ('9320', 'YDDD')or, if you have a column called hiredate_text:
TO_DATE (hiredate_text, 'YDDD')Again, the first argument is not quoted, because it is a column name, not the literal value.
The Julian Date is (currently) a 7-digit number. If you use some other coding system for dates, it will only cause confusion if you call it "Julian".
There's already enough confusion between "Julian Date" and "Julian Calendar" (which Oracle uses for dates up to 1582).

JDCB Driver not doing data transformation on Julian dates and amount fields

Hi All,
In our newly installed BI Publisher instance (10.1.3) is not doing any data transformation on JDE Julian dates and Decimals. I've read that these field values are supposed to be converted automatically. Is there some setting in the JDEJDBC driver connection that makes this happen?
While working with Oracle support I've found the following:
1. Beware of white space in the collection string.
2. Make sure the JDE user logging in goes straight to JDE and has full view privlidges on the tables you are selecting on.
3. Parameters are not supported by the JDEJDBC Driver -- this pretty much renders this application worthless. Does anyone know of any workarounds?
Database IBM DB2 UDB version 6.1
JDE Version: World A7.3
Edited by: enorton on Jun 30, 2010 2:02 PM

Lets try com.jdedwards.as400.access.JDEWJDBCDriver (download from oracle support)
JDEWorldJDBC.jar There is inbuild date conversion and decimal shift.

Julian date error

Hi,
I am getting an error in ERP.
ORA-01854: julian date must be between 1 and 5373484
Can anyone tell me how to get this resolved. I am not passing any dates as parameters.
This problem does not occur in Production, only in Development.
Do I have to reset the Julian date?
Thanks
Zicky

Hi,
What is the application release?
Do you get this error when accessing all the forms or specific ones only?
Try the solution in (Note: 207808.1 - WIPDJMDF - After Patch 2254178 Receive APP-FND-01564: ORACLE Error 1854 when Saving a Discrete Job) and see if it helps. Also, please verify the date format between the two instances as per the following documents:
Note: 333785.1 - Oracle Applications 11i Internationalization Guide
Note: 393861.1 - Globalization Guide for Oracle Applications Release 12
Regards,
Hussein

Are Julian Dates ever disabled?

Hi
I am trying to build a product that integrates JD Edwards data to a 3rd party system reading data through JDBC from customer's Oracle database. (I am not using data access driver for performance reasons)
My system will convert Julian dates for E1 data tables to regular dates.
But I see an option in P986115: Work with Datasources that there is an option to use regular dates instead of Julian. It is a check box for DB server settings.
I am interested only in business data and wondering whether I need to support this option.
My question is will ever a customer uncheck this and use regular dates in his database for "BUSINESS DATA". Does Oracle JD Edwards support such a system and treat it as an accepted practice?
Has anyone in their experience seen this happen where a customer runs his business on regular dates rather than JDE dates?
Any inputs will be deeply appreciated.
Thanks!

Never mind, I found the answer in other parts of this forum (This is a great resource)

How to embedded oracle report data in email body from forms?

Hi,
I am working on oracle forms and report 10g and i am new to this. I want to knw How to embedded oracle report data in email body ?
Regards
Shruti

I have uploaded a sample . This might help
http://www.alexyscorp.com/send_report_email.zip

Unable to connect SQL Developer 4.0.2 to Oracle REST Data Services 2.0.7 (Apex Listener)

Background
1. Weblogic 10.3.6.0 running on Oracle Linux 6.5 with Oracle JRockit(R) (build R28.2.3-13-149708-1.6.0_31-20120327-1523-linux-x86_64, compiled mode)
2. Oracle Apex 4.2.1
3. Apex Listener 1.1.3
4. Apex and Apex Listener running on the Weblogic box above
5. SQL Developer 4.0.2 running on Windows 7 64 bit / Java 1.7.0_55
Updated Apex to 4.2.5 via p17966818_425_Generic.zip patchset. Apex environment running fine as do all applications via Listener 1.1.3
Updated Oracle Listener to the latest version of Oracle REST Data Services 2.0.7
Current Status
Apex Applications and RESTful services are running fine.
Problem
Unable to connect SQL Developer 4.0.2 to Oracle REST Data Services 2.0.7
Error message in SQL Developer - Cannot connect to DEV. HTTP/1.1 403 Target service not allowed
Additional Information
Steps followed -
1. The oracle users APEX_LISTENER and APEX_REST_PUBLIC_USER did not exist, so I ran apex_rest_config.sql from the APEX 2.4.1 patchset whilst connected sys as sysdba and provided the same password as APEX_PUBLIC_USER for both users.
2. I also ran
grant insert, delete on APEX_040200.wwv_flow_rt$privilege_groups to APEX_LISTENER;
alter session set current_schema = APEX_LISTENER;
create or replace synonym wwv_flow_rt$privilege_groups for APEX_040200.wwv_flow_rt$privilege_groups;
as per Oracle SQL Developer User's Guide Release 4.0
3. copied ords.war to apex.war
4. java -jar apex.war configdir /u01/app/oracle/admin/apex/devdomain1/
5. java -jar apex.war
Jun 5, 2014 5:15:31 PM oracle.dbtools.common.config.file.ConfigurationFolder logConfigFolder
INFO: Using configuration folder: /u01/app/oracle/admin/apex/devdomain1/apex
Enter the name of the database server [localhost]:dbservername
Enter the database listen port [1521]:
Enter 1 to specify the database service name, or 2 to specify the database SID [1]:1
Enter the database service name:dbservicename
Enter the database user name [APEX_PUBLIC_USER]:
Enter the database password for APEX_PUBLIC_USER:
Confirm password:
Enter 1 to enter passwords for the RESTful Services database users (APEX_LISTENER,APEX_REST_PUBLIC_USER), 2 to use the same password as used for APEX_PUBLIC_USER or, 3 to skip this step [1]:2
Jun 5, 2014 5:16:52 PM oracle.dbtools.common.config.file.ConfigurationFiles update
INFO: Updated configurations: defaults, apex, apex_al, apex_rt
Enter 1 if you wish to start in standalone mode or 2 to exit [1]:2
6. java -jar apex.war user adminlistener "Listener Administrator"
Jun 5, 2014 5:18:52 PM oracle.dbtools.common.config.file.ConfigurationFolder logConfigFolder
INFO: Using configuration folder: /u01/app/oracle/admin/apex/devdomain1/apex
Enter a password for user adminlistener:
Confirm password for user adminlistener:
Jun 6, 2014 5:19:12 PM AM oracle.dbtools.standalone.ModifyUser execute
INFO: Created user: adminlistener in file: /u01/app/oracle/admin/apex/devdomain1/apex/credentials
7. Updated the defaults.xml file
Added
<entry key="apex.security.user.roles">RESTful Services</entry>
<entry key="apex.security.developer.roles">OAuth2 Client Developer, SQL Developer</entry>
as per Oracle SQL Developer User's Guide Release 4.0
Changed
<entry key="debug.printDebugToScreen">false</entry>
to
<entry key="debug.printDebugToScreen">true</entry>
for RESTful debugging
Added
<entry key="security.verifySSL">false</entry>
to use OAuth2 in Non HTTPS Environment as per Oracle® REST Data Services Installation and Configuration Guide, Release 2.0
8. Deleted the Admin and Manager Roles within the apex application deployment which were part of the Apex Listener 1.1.3 install
9. Deployed the apex.war in weblogic
10. Stopped and started the weblogic server to which apex.war was deployed
11. In SQL Developer, View, RESTful Services. In the RESTful services windows hit connect, Create a new connection,
Connection Name DEV
Username adminlistener
selected http protocol
Hostname weblogicservername
Port 7250
Server Path /apex
Workspace (blank)
On the Authentication dialog
Username adminlistener
Password passwordsuppliedabove in step 6
Response is a dialog box titled Authentication Failed
message - Cannot connect to DEV. HTTP/1.1 403 Target service not allowed
NOTHING UNUSUAL IN ANY OF THE WEBLOGIC LOG FILES, EXCEPT THAT IT STATES
'Oracle REST Data Services version : 2.0.6.27.18.06' when I've installed 2.0.7.
Any help much appreciated

Further to the above post, I thought I'd simplify my Apex Listener install just to see if I can connect to it via SQL Developer
So downloaded the latest version 2.0.8 and decided to configure and run the Listener on my pc whilst still connecting to the same database.
Operating system : Window 7 Pro 64 bit
Oracle Apex Listener 2.0.8
Java(TM) SE Runtime Environment (build 1.7.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)
Went through the configuration as above, once started I tried again to access the listener via SQL Developer. This time I received this output from the listener:
INFO: Error: ORA-02291: integrity constraint (APEX_040200.WWV_FLOW_RT$APPROVALS_SGID_FK) violated - parent key not found, occurred during execution of: [CALL, insert into wwv_flow_rt$approvals (user_name,status,client_id,security_group_id,created_by,created_on,updated_by,updated_on) values(/*in:user_id*/?,/*in:status*/?,/*in:client_id*/?,/*in:tenant_id*/?,upper(/*in:user_id*/?),/*in:created*/?,upper(/*in:user_id*/?),/*in:created*/?), [tenant_id, in, class java.math.BigInteger], [client_id, in, class java.math.BigInteger], [user_id, in, class java.lang.String], [status, in, class oracle.dbtools.rt.oauth.ApprovalRequest$Status], [created, in, class java.sql.Timestamp]]with values: [adminlistener, APPROVED, 3858401374580004, -1, adminlistener, 2014-06-23 12:19:18.785, adminlistener, 2014-06-23 12:19:18.785]
SQL Developer responded with an Authentication Failed titled dialog with the following displayed in the body of the dialog
Cannot connect to DEV.
<!DOCTYPE html>





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<body class="errorPage">
<header id="xHeader">
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<a id="uLogo" href="./"><span class="logo">ORACLE</span>
REST DATA SERVICES</a>
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<h3>
<span class="statusCode">500</span> - <span
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<ul class="reasons">
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<p>
<pre>Request Path passes syntax validation
Mapping request to database pool: PoolMap [_failed=false, _lastUpdate=-1, _pattern=null, _poolName=apex, _regex=null, _type=REGEX, _workspaceIdentifier=null, _serviceName=null]
Applied database connection info
Attempting to process with PL/SQL Gateway
Not processed as PL/SQL Gateway request
Attempting to process as a RESTful Service
Choosing: oracle.dbtools.rt.oauth.TokenHandler as current candidate with score: Score [handle=null, score=0, scope=SecurityConfig [constraint=secure, realm=OAUTH_CLIENT, logonConfig=NONE], originsAllowed=[], corsEnabled=true]
Determining if request can be dispatched as a Tenanted RESTful Service
Request path has one path segment, continuing processing
No Tenant Principal established yet, continuing processing
APEX_LISTENER pool exists, continuing processing
No matching tenant found for: oauth2, cannot dispatch
Chose oracle.dbtools.rt.oauth.TokenHandler as the final candidate with score: Score [handle=null, score=0, scope=SecurityConfig [constraint=secure, realm=OAUTH_CLIENT, logonConfig=NONE], originsAllowed=[], corsEnabled=true] for: POST oauth2/token
oauth2/token authorized as: p6xycV-2QceFnFHkWyJlnA..
</pre>
</p>
<p>
<pre>WebException [statusCode=500]
at oracle.dbtools.rt.web.WebException.webException(WebException.java:343)
at oracle.dbtools.rt.web.WebException.internalError(WebException.java:262)
at oracle.dbtools.rt.oauth.jdbc.JDBCOAuthDataAccess.createApproval(JDBCOAuthDataAccess.java:514)
at oracle.dbtools.rt.oauth.jdbc.JDBCOAuthDataAccess.createApprovedRequest(JDBCOAuthDataAccess.java:181)
at oracle.dbtools.rt.oauth.OAuthAuthorization.resourceOwnerCredentials(OAuthAuthorization.java:654)
at oracle.dbtools.rt.oauth.OAuthAuthorization.tokenRequest(OAuthAuthorization.java:273)
at oracle.dbtools.rt.oauth.TokenHandler.post(TokenHandler.java:44)
at oracle.dbtools.rt.web.RequestHandler.response(RequestHandler.java:268)
at oracle.dbtools.rt.web.RequestHandler.dispatch(RequestHandler.java:361)
at oracle.dbtools.rt.web.RequestHandler.dispatch(RequestHandler.java:85)
at oracle.dbtools.rt.web.RequestDispatchers.dispatch(RequestDispatchers.java:93)
at oracle.dbtools.rt.web.ETags.checkPrecondition(ETags.java:93)
at oracle.dbtools.rt.web.HttpEndpointBase.restfulServices(HttpEndpointBase.java:426)
at oracle.dbtools.rt.web.HttpEndpointBase.service(HttpEndpointBase.java:164)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at com.sun.grizzly.http.servlet.ServletAdapter$FilterChainImpl.doFilter(ServletAdapter.java:1059)
at com.sun.grizzly.http.servlet.ServletAdapter$FilterChainImpl.invokeFilterChain(ServletAdapter.java:999)
at com.sun.grizzly.http.servlet.ServletAdapter.doService(ServletAdapter.java:434)
at oracle.dbtools.standalone.SecureServletAdapter.doService(SecureServletAdapter.java:91)
at com.sun.grizzly.http.servlet.ServletAdapter.service(ServletAdapter.java:379)
at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
at com.sun.grizzly.tcp.http11.GrizzlyAdapterChain.service(GrizzlyAdapterChain.java:196)
at com.sun.grizzly.tcp.http11.GrizzlyAdapter.service(GrizzlyAdapter.java:179)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Unknown Source)
Caused by: java.sql.SQLIntegrityConstraintViolationException: ORA-02291: integrity constraint (APEX_040200.WWV_FLOW_RT$APPROVALS_SGID_FK) violated - parent key not found
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:447)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:879)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:505)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:223)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:208)
at oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1046)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1336)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3612)
at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:3713)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1378)
at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at oracle.ucp.jdbc.proxy.StatementProxyFactory.invoke(StatementProxyFactory.java:230)
at oracle.ucp.jdbc.proxy.PreparedStatementProxyFactory.invoke(PreparedStatementProxyFactory.java:124)
at com.sun.proxy.$Proxy44.execute(Unknown Source)
at oracle.dbtools.common.jdbc.JDBCInsert.execute(JDBCInsert.java:58)
at oracle.dbtools.rt.oauth.jdbc.JDBCOAuthDataAccess.createApproval(JDBCOAuthDataAccess.java:487)
... 34 more
</pre>
</p>
</div>
</div>
</div>
<div id="xFooterContainer">
</div>
</body>
</html>
I am assuming this must be part of the problem I am seeing this the Weblogic deployment in my original post.
Does anyone have any suggestions on how best to tackle this?
Regards,
Derek

Oracle BAM Data Flow Service service could not be started

I can't start the Service Oracle BAM Data Flow Service
I got the message: Error: A service specific error occurred: 126
I follow the steps in the installation guide in the section:Data Flow Service Terminated with Service-Specific Error 126, but i get the error yet.
Any body help please

Check the event logs on the computer with Event Viewer to look for more information.

What is the role of Lns process in oracle 10g data guard

Hi ,
plz help me out to find out the actual working of lns process in oracle 10g data guard
when i use SYNC redo transport
the output of v$managed_stanbdy is like that ..
PROCESS PID STATUS CLIENT_PROCESS GR# SEQ#
ARCH 9258 CLOSING ARCH 2 498
ARCH 9260 CLOSING ARCH 1 499
ARCH 9262 CLOSING ARCH 2 496
ARCH 9264 CLOSING ARCH 1 497
LGWR 9206 CLOSING LGWR 2 482
its not display any info about lns,thats means lns is not working in SYNC redo transport mode ?
but if i changed it to ASYNC then the out put of v$managed_stanbdy is like this ..
PS PID STS CPS GR# SEQ#
ARCH 9258 CLOSING ARCH 1 509
ARCH 9260 CLOSING ARCH 2 510
ARCH 9262 CLOSING ARCH 1 505
ARCH 9264 CLOSING ARCH 2 508
LGWR 9206 CLOSING LGWR 1 503
LNS 10528 CLOSING LNS 2 510
Now it display all the info about lns process...
i read in oracle documentation that lns process send redo data from primary,( through network service ) to RFS on standby side.
but first output means that lns is not working,if not then which process send redo from primary to RFS on standby ?
i also read in some blog that lgwr use some extra buffer size from primary db SGA ,to write redo in that buffer ,ans lns read redo from that buffer and send it to RFS on stanby side,
i m totally confused ..can u plz help me with correct logic behind this .
thanx in advance.

Hello,
On the primary database when you run the v$managed_standby, it shows up the LNS process as this process sends redo info to the standby database and on the standby database the RFS process receives the redo information.
So on the primary database when you query the v$managed_standby, it shows up LNS and on the standby database when you query the v$managed_standby it shows up RFS. Please let us know where you are running the query.
Refer this http://datadisk.co.uk/html_docs/oracle_dg/architecture.htm
969752
Handle:     969752
Status Level:     Newbie
Registered:     Nov 6, 2012
Total Posts:     9
Total Questions:     2 (2 unresolved)
Name     Hemendra Singh
Location     NoidaPlease consider closing your questions by providing appropriate points and marking it as answered. Please keep the forum clean !

Conversion from YYYYMMDD to Julian Date in BPEL

Hi,
My requirement is to convert date format from YYYYMMDD to Julian Date (CYYDDD) in BPEL.
C - Stands for Century
Would like to know a way to achieve this conversion in BPEL. Please suggest.
Appreciate your quick help.
Thanks
Priyanka G

Hi,
I suggest you use a java activity for that... There are many examples in java on how to convert a date to julian...
Cheers,
Vlad

Convert string (in a Julian Date format) to a date in CR XI Release 2

How do you convert a string field entered in a database as a Julian date " 10109 , 09008. ,,," to
print on a report as date?
09008 would be 01/08/09
10109 04/19/10

A small correction to Brian's formula:
NumberVar myYear;
NumberVar myDays;
myYear := ToNumber( {table.JULIAN} [1 to 2]);
myDays := TONUMBER({table.JULIAN} [3 to 5]);
(Date (myYear, 1, 1) + myDays) - 1;
The result for '09008' will be 01/08/9, by adding ToText, you can get the result in the desired format of 01/08/09.
totext((Date (myYear, 1, 1) + myDays) - 1, "MM/dd/yy");
Here is an alternate solution without having to create variables:
totext(dateserial(tonumber(X[1 to 2]),1,tonumber(X[3 to 5])),"MM/dd/yy");
where X is the julian date in string.
Edited by: Sanjay Kodidine on Apr 20, 2010 8:25 AM

How to determine the proper size for Oracle 8i Data Base Objects

Hi,
I'm working on an Oracle 8i Data base. I'd like to know how to determine the proper size for the Data Base objects such as tables, datafiles, tablespaces...
Thanks.

Start with the docs.
http://download-west.oracle.com/docs/cd/A87860_01/doc/server.817/a76956/schema.htm#949
Best Regards
Krystian Zieja / mob

How to get the today's julian date in java?

how to get the today's julian date in java?
hi can any one tell me how to get the todays julian date using Calender class or GregorianCalender class....
Julian date for 2006.November.01 AD 05:54 PM : 2454041.0
i have tryied with
calJ.setGregorianChange(new Date(Long.MAX_VALUE));
System.out.println(sdf2.format(calJ.getGregorianChange()));
thanks
Tushar
Message was edited by:
lad_tushar

thanks a lot....for intrest....
I have found some details about the Julian calendar as follows:
The Julian date for 2006: JAN: 01:12:01:59 is 2453737.00138
245 represent the year digits for year 2006
3737 represent the date fir 1 Jan
.00138 represents the time for 12:01:59
Julian date change as per every day 12 noon it increase one digit in it.
As per ref from
http://www.aavso.org/observing/aids/jdcalendar.shtml
Also chk this calendar where Julian date is 20. October 2006 for 02 November 2006
As per ref from
http://www.calendar.sk/julian_calendar-en.php
I have tried the pure �GregorianCalendar� class from jdk1.4 API and its setGregorianChange method but not getting as per the expected Julian date format. Using the �setGregorianChange()� i have setting the cutover date to Long.MAX_VALUE it means GregorianCalendar now have to act as per the Julian calendar ...so after setting the cutover date it return me changed date using �getGregorianChange()� but that was not the Julian date of the current date...as expected or as per above both scenario. Even though the last two digits are nowhere equal to the actual Julian date.
Program
GregorianCalendar cal = new GregorianCalendar();
cal.setGregorianChange(new Date(Long.MAX_VALUE)); // setting the calendar to act as a pure Julian calendar.
// cal.set(Calendar.DATE, new Date().getDate()); // seting the current date
// Date todayJD = cal.getGregorianChange(); // getting the changed date after the setGregorianChange
Date todayJD = cal.getTime(); // getting the calculated time of today�s Julian date
SimpleDateFormat sdfJulianDate = new SimpleDateFormat("yyDDD");
SimpleDateFormat sdfJuliandayOfYear = new SimpleDateFormat("DDD");
System.out.println("today Date = " + new Date());
System.out.println("Today as julian date = " + sdfJulianDate.format(todayJD));
System.out.println("Today as day of year = " + sdfJuliandayOfYear.format(todayJD));
OUTPUT:
USING : Date todayJD = cal.getGregorianChange();
Today Date = Thu Nov 02 15:17:05 IST 2006
Today as julian date = 94229
Today as day of year = 229
USING : cal.set(Calendar.DATE, new Date().getDate());
Today Date = Thu Nov 02 15:19:22 IST 2006
Today as julian date = 06319
Today as day of year = 319
USING : Date todayJD = cal.getTime();
Today Date = Thu Nov 02 15:17:59 IST 2006
Today as julian date = 06306
Today as day of year = 306
There is one another concept i found to get the Julian day of the year as per the Julian day chart mention on nasa site (http://angler.larc.nasa.gov/armsgp/JulianDayChart.html) and i m getting the moth of the year that is 306 for nov 02 2006 using getTime() method in above code then the out put is right for Julian day. But it was not as per the expected Julian date format. So in conclusion we can only able to retrieve the day of year for the Julian calendar. hope their will be a solution for this problem in java api ....else we allways have to depend upon the third party api that was not accepteble some times.....
Kindly chk chart on the site
http://angler.larc.nasa.gov/armsgp/JulianDayChart.html
http://weather.uwaterloo.ca/julian.html
http://www.fs.fed.us/raws/book/julian.shtml
Thanks,
Tushar Lad

Oracle Julian Date

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