How to design a 3D database in SDO

Hi,
I need to design a 3D database in Oracle9i SDO. As we know, this SDO support the 2D GIS seamlessly. How to design a 3D database in Oracle9i SDO,
Could any person have some experiences. Thanks!
Best regards!

Hello All!
Due to my diplom thesys I have to create a real 3D (not 2 1/2D) database in Oracle. You seem to have a little experience in this subject and I hope you can tell me whether my plan is possible or not...
The data I'd like to store in the database is/are BRep, means a 3D-Objekt composed of many coplanar 2D-planes. I think storing the data won't be the problem because I can store the vertices of the 2d-polygons with x,y,z values. The queries will be the main problem. I have to query all types of intersection, neighborhood and some distance between the objects.
I know, SDO_RELATE is the only filter which supports three dimensions, but there's something I don't understand:In the spatial user's guide it says:
"the SDO_RELATE operator, can be used to determine with certainty if objects interact spatially".
WHAT does this mean in case of 3D? True if the two objects intersect, false if not?
Hongwei: How is your project doing? maybe we can exchange some experience...
Many Questions, hoping for some help...;-)
regards from germany,
Markus Reuter

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Please help me in designing this complicated database

Can some one give me a better idea on how to design this complicated database.The database should capture the following business rule.
I am working for a company which collects all the health information of patients from various hospitals and then using this data ,generate useful reports ,which will then be forwarded to health minister so that he can allocate money to particular area of health.
We have some list number codes 1,2,3,4,5,6,7,8,9 etc and each list number has thousands of diseases under it.Hence cancer,TB,heart attack,flu,diarhoea comes under list number 1 and amnesia,dehydration,small pox comes under list number 2 ,and so on so forth.Now if a patient say has a disease from list number 1 and another disease from list number 2 and then from list number 3 then he is grouped in one category say group1.If he has a disease from only list 1 and 2 then he is grouped as group2.And if only list number 1 then group3.In short the data is something like this
1,2,3,group1
1,2, group2
1, group3
1,3,6,7,8,grou7
1,8,group2
1,9,group3
etc.

Table Name
List_Codes
List_Code Number(3); Primary Key
Disease_Codes
Disease_Code Number(3)
Disease_Desc Varchar2(100)
List_Code Number(3);
Primary Key : Disease_Codes + List_Code
Foriegn Key : List_Code ( References table
List_Codes )
List_Groups
Group_Id Number(2) Primary Key
List_Group_Details
Group_Id Number(2)
Disease_Code Number(3)
List_Code Number(3)
Primary Key : Group Id + Disease_Codes +
List_Code
Foriegn Key : Group Id ( List_Groups )
Foriegn Key : Disease Code + List_Code (
Disease_Codes )
Patient_Details
Patient_Id Number Primary Key
Patient_Name Varchar2(50);
Group_Id Number(2);
Foriegn Key : Group Id ( List_Groups )
Shailender Mehta

How do design database object

Please let me know how to designed table,index,views,sysnonyms,sequence
1. What is considered to design those object from bussiness point of view and how it influnced it?
2. What are the oracle paremeter need to be considered to design those object and how it benifit/degrade?
3. Anything which you think it is important?
4. Do we have any tool to do this JOB?
Please help me understanding this.
Thank you.

Hi,
go through the following link.It may be helpful to u.
http://stanford.edu/dept/itss/docs/oracle/10g/appdev.101/b10799/adobjdes.htm
Thank you

From a Technical Architect point of view, how to design a web application?

Hi to all,
I am writing this issue here because I this question is not related on how to program, but on how to design a web application. That is, this question is not related to how to program with the technologies in J2EE, but how to use them correctly to achieve a desired outcome.
Basically I know how to develop a simple web application. I like to use SpringFramework with AcegiSecurity and Hibernate Framework to persist my data. I usually use JBoss to deploy my web applications, however I could easily use Tomcat or Jetty (Since I am not using EJB�s).
However I have no idea on how to develop (or a better word would be �design�) a website which is divided into different modules.
Usually when you develop a website, you have certain areas that are public, and other areas that are not. For example, a company would want anyone on the Internet to download information about the products they are selling, however they would only want their employees to download certain restricted information.
Personally I try to categorise this scenario in to common words; Extranet and Intranet.
But � (and here starts the confusion in my mind) should I treat these two as two projects, or as one project? The content to be displayed on the Extranet is much different then the content to be displayed on the Intranet and definitely clients should not be allowed to the Intranet.
First approach would be to treat them as the same project. This would be perfect, since if the company (one day) decides to change the layout of the website, then the design would change for both the Intranet and the Extranet version. Also the system has a common login screen, that is I would only need to have employees to have a certain Role so that they have access to the intranet, while clients would not have a certain Role and thus they would not be allowed in. But what about performance and scalability? What if the Intranet and Extranet have to be deployed on the different Hardware!?
The second approach is to threat them as two separate projects. To keep the same layout you just copy & paste the layout from one project to another. However we would not want to have two different databases to store our users, one for the employees and the other one for the clients. Therefore we would build a CAS server for authentication purposes. Both the Intranet and the Extranet would use the same CAS server to login however they could be deployed on different hardware. However what if we want to change the design. Do we really want to have to just copy and paste elements from one project to another? We all know how these things finish! �We do not have time for that � just change the Extranet and leave the Intranet as it is!�
The third approach (and this is the one I like most) is to have a single project built into different WAR files. The common elements would be placed in all WAR files. However in development you would only need to change once and the effects would show in the different war files. The problem with this approach is that the project will be very big. Also, you will still need to define configuration files for each one of them (2 Web.config, 2 Spring-Servlet.config, 2 acegi-security.config, etc).
Basically I would like something in the middle of approach 2 and approach 3! However I can identify what this approach is. Also I can not understand if there is even a better approach then these three! I always keep in mind that there can always be more then two modules (that is not only Intranet and Extranet).
Anyways, it is already too long this post. Any comments are more then welcome and appreciated.
Thanks & Regards,
Sim085

Hi to all,
First of all thanks for the interest shown and for the replies. I do know what MVC or Multi-layered design is and I develop all my websites in that way.
Basically I have read a lot of books about Domain-Driven Design. I divide my web applications into 4 layers. The first layer is the presentation layer. Then I have the Facade layer and after that I have a Service layer (Sometimes I join these two together if the web application is small enough). Finally I have the Data Access layer where lately I use Hibernate to persist my object in the database.
I do not have problems to understand how layering a web application works and why it is required. My problem is how to design and develop web applications with different concerns that use same resources. Let me give an example:
Imagine a Supermarket. The owner of the Supermarket want to sell products from the website, however he wants to also be able to insert new products from the website itself. This means that we have two different websites that make use of the same resources.
The first website is for the Supermarket clients. The clients can create an account. Then they can view products and order them. From the above description we can see that in our domain model we will have definitely an object Account and an object Product (I am not mentioning all of them). In the Data Access layer we will have repository objects that will be used to persist the Account and Products.
The second website is for the Supermarket employees. The employees still need to have an account. Also there is still a product object. This means that Account and Product objects are common to the two websites.
Also important to mention is the style (CSS). The Supermarket owner would like to have the same style for both websites.
Now I would not like to just copy & paste the objects and elements that are common to both websites into the two different projects since this would mean that I have to always repeat the changes I make in one website, inside the other one.
Having a single WAR file with both websites is not an option either because I would not like to have to deploy both websites on the same server because of performance and scalability issues.
Basically so far I have tought of putting the common elements in a Jar File which would be found on the two different servers. However I am not sure if this is the best approach.
As you can see my problem is not about layering. I know what layering is and agree with both of you on its importance.
My question is: What is the best approach to have the same resources available for different websites? This includes Class Files, CSS Files, JavaScript Files, etc.
Thanks & Regards,
Sim085

Logical Database design and physical database implementation

Hi
I am an ORACLE DBA basically and we started a proactive server dashboard portal ,which basically reports all aspects of our infrastructure (Dev,QA and Prod,performance,capacity,number of servers,No of CPU,decomissioned date,OS level,Database patch level) etc..
This has to be done entirely by our DBA team as this is not externally funded project.Now i was asked to do " Logical Database design and physical Database
implementation"
Even though i know roughly what's that mean(like designing whole set of tables in star schema format) ,i have never done this before.
In my mind i have a rough set of tables that can be used but again i think there is lot of engineering involved in this area to make sure that we do it properly.
I am wondering you guys might be having some recommendations for me in the sense where to start?are there any documents online , are there any book on this topic?Are there any documents which explain this phenomena with examples ?
Also exactly what is the difference between logical database design vs physical database implementation
Thanks and Regards

Logical database design is the process of taking a business or conceptual data model (often described in the form of an Entity-Relationship Diagram) and transforming that into a logical representation of that model using the specific semantics of the database management system. In the case of an RDBMS such as Oracle, this representation would be in the form of definitions of relational tables, primary, unique and foreign key constraints and the appropriate column data types supported by the RDBMS.
Physical database implementation is the process of taking the logical database design and translating that into the actual DDL statements supported by the target RDBMS that will create the database objects in a target RDBMS database. This will generally include specific physical implementation details such as the specification of tablespaces, use of specialised indexing (bitmap, clustered etc), partitioning, compression and anything else that relates to how data will actually be physically stored inside the database.
It sounds like you already have a physical implementation? If so, you can reverse engineer this implementation into a design tool such as SQL Developer Data Modeller. This will create a logical design by examining the contents of the Oracle data dictionary. Even if you don't have an existing database, Data Modeller is a good tool to use as a starting point for logical and even conceptual/business models.
If you want to read anything about logical design, "An Introduction to Database Systems" by Date is always a good starting point. "Database Systems - A Practical Approach to Design, Implementation and Management" by Connolly & Begg is also an excellent reference.

How to design CAF Entity service?

hello,
here is my question.
how to design CAF Entity service?
i got employees data and departments data.
an employee can join over one department, and of course, a department had many employee.
in tradition RDBMS(relational database management system), i'll create three tables and named "Employee", "Department" and "DepEmp". the table "DepEmp" is a kind of table for N to N relaction.
but when i use CAF's entity service, i can't do like RDBMS.
i can create three entity services, named "Employee", "Department" and "DepEmp". i can make service refence(pull service from left side of windows), but the information about Key(in properties) cannot be "true".
how can i do?
is there a different normalization way i have to learn.

thank you so much, it really help.
but when the issue more complicated.
a employee can join multiple departments, and he/she got different job title in each department. case will like fallow.
Vic is a software engineer in XX company's IT department, and he is a MIS engineer in XX company's HR department.
the db( i'm sorry for take this for example) structure will like..
=======================================
table:employee
column:
employeeCode PK
name
phone
table:department
column:
departmentCode PK
name
location
table:jobTitle
column:
titleCode PK
name
description
table:deptEmployee
column:
employeeCode PK FK
departmentCode PK FK
titleCode PK FK
=======================================
my SAP NetWeaver Developer Studio is version 7.0
1. how i make sure that three keys be mapped each other?(empCode,deptCode,titleCode)
2. is there have any "IUD abnormality" risk?
3. if there have, how can i avoid it?
thank you again, i'm sorry for ask much, because the way to design CAF Entity Service is that i didn't learn before. it really make me confused.
have a nice day

How to create a new DataBase using Oracle 10g Express Edition???

Hello, I am new to Oracle, I am used to Microsoft SQL Server (Enterprise Manager).
Here in Oracle I do not get how do I create a DataBase, and then create tables on it.
could anyone please explain to me how to do it?

A SQL Server database is roughly equivalent to an Oracle schema.
You should rarely need to create a new database. If you do need to create a database, get a 'for fee' edition of Oracle and use the dbca tool (Database Configuration Assistant) to do that. In fact, you are only allowed to have one XE database on the machine.
However, you can create as many schemas in an existing Oracle database as you need. (One schema, owned by userid SYS, is roughly equal to your 'master catalog'.)
You can create other schemas simply by
1) creating a userid that will own the schema (one designated for maintenance of the schema);
2) grant that userid appropriate privileges, such as 'CREATE TABLE', 'CREATE VIEW' as shown in the SQL Reference manual under the GRANT section;
3) provide that userid with a quota in one or more tablespaces (see the CREATE USER command in the SQL Reference manual);
4) create the objects, such as tabels, views, sequences, stored procs and functions, etc. (as in the SQL Reference manual);
5) create the users who will access the objects, and grant them the CREATE SESSION capability (as in the SQL Reference manual);
6) grant access (select, update, execute, etc.) on the schema objects to these users (as in the SQL Reference manual);
7) if desired, create synonyms on the schema objects so the users do not need to use fully qualified syntax such as "SELECT col FROM schema.table;" (as in the SQL Reference manual).
In case you are interested in looking at the SQL Reference manual, it can be found at http://www.oracle.com/pls/db102/portal.portal_db?selected=1 ;-)

How to create a oracle database by java code?

how to create a oracle database by java code?
please give some ways then that way's code

I'm not sure what you mean with "database". Do you mean an Oracle instance or an Oracle user/schema (probably the latter, because that's the equivalent to a MS SQL Database).
Creating an instance is definitely not possible from within Java. To create a new user this should be possible, as this can be done with SQL:
GRANT connect,resource TO <newuser> IDENTIFIED BY <password>;
I'm always cautious with questions like this. In 90% of the cases there is something wrong with the initial design. Creating a database shouldn't be something the application is doing.
Thomas

How to create a smaller database

Hello!
My production database is quite large, around 700Gb. I need to create a testing environment, but to clone the production database will take up much space ...
I tried using the parameter "SAMPLE = 50" but the data is randomized. How do I create this database for testing but without using much space? Is there any way to export the latest 500 rows from all tables?
tnks

sb92075 wrote:
post SQL that SELECT latest 500 rows in every table?
What about PK/FK relationships?
does not Quality Assurance have a small test bed DB?I tried to use SELECT, but gave up... there is a lot of tables, more like 2000, and I'm not good at PL and tried to look for alternatives ..
relationship .... it is a problem ... My database uses a different way to save data ... There are few relationships between the tables .. and is not used "drop or update" only insert, I forgot to mention that.
Quality Assurance? hehehehe... its my dream.. My company believes it is a waste ... is a small company with big clients. The directors, on their holy wisdom, believe that we have fewer employees to make things work...
andrewmy wrote:
There is no easy way to do this unless your table relationships are very simple.
A few systems I have seen use a set of SQL queries to extract a subset of the data but maintaining these queries can be a pain as your system evolves. Besides the need to maintain correct relationships, the other tricky part is coding those extraction queries to select a large enough of a spread of data that you can test for common production situations. Since every application is different you would need to have a good understanding of the table relationships to build those queries. If your database design does not have proper foreign key constraints defined and the relationships are poorly documented elsewhere then you are in a really tough spot.
The production database is also likely to have things like auditing and statspack that you can elect not to setup in your test environment to save some space.
If you are looking for a tool to extract subsets, one such example is Databee (google).thanks for your help guys ... I'll look for some software to help me, I will also take a look at databee

How to design an IDOC-XI-JDBC interface

Hello Experts!
I'm looking for some guidance on how to design an interface where R/3 is sending an IDOC to XI (via IDOC Adapter Receiver), then XI transforms this data into a JDBC database INSERT action.
I want to make to make the JDBC request a SYNC interface so that I can capture the number of rows inserted into the database and do some appropriate action when the insert count returns a zero value.
Since the IDOC to XI interface is ASYNC, how do I design my link so I can redirect the JDBC response out to a different adapter?
Thanks for your help!
XI Rookie

Hi,
This will help you
/people/siva.maranani/blog/2005/05/21/jdbc-stored-procedures
/people/laxman.molugu/blog/2006/08/13/integration-with-databases-made-easy-150-part-1
Re: Idoc triggering from a transaction
Message Mapping - JDBC to IDoc
Re: JDBC - System/Application Acknowledgement
/people/michal.krawczyk2/blog/2005/09/01/xi-idoc-adapter--edidc40--demystified
Regards
Agasthuri Doss

How to design SQL server data file and log file growth

how to design SQL DB data file and log file growth- SQL server 2012
if my data file is having 10 GB sizze and log file is having 5 GB size
what should be the size in MB (not in %) of autogrowth. based on what we have to determine the ideal size of file auto growth.

It's very difficult to give a definitive answer on this. Best principal is to size your database correctly in advance so that you never have to autogrow, of course in reality that isn't always practical.
The setting you use is really dictated by the expected growth in your files. Given that the size is relatively small why not set it to 1gb on the datafile(s) and 512mb on the log file? The important thing is to monitor it on an on-going basis to see if that's
the appropriate amount.
One thing you should do is enable instant file initialization by granting the service account Perform Volume Maintenance tasks in group policy. This will allow the data files to grow quickly when required, details here:
https://technet.microsoft.com/en-us/library/ms175935%28v=sql.105%29.aspx?f=255&MSPPError=-2147217396
Also, it possible to query the default trace to find autogrowth events, if you wanted you could write an alert/sql job based on this
SELECT
[DatabaseName],
[FileName],
[SPID],
[Duration],
[StartTime],
[EndTime],
CASE [EventClass]
WHEN 92 THEN 'Data'
WHEN 93 THEN 'Log' END
FROM sys.fn_trace_gettable('c:\path\to\trace.trc', DEFAULT)
WHERE
EventClass IN (92,93)
hope that helps

How to manage and prevent database lock for database admin and development

how to manage and prevent database lock for database admin and development
[email protected]

Hi,
can someone advise me some good book or even better a PDF or a white paper on the Web where it's explained well how to design and manage a relational database (that is normal forms, tuning, design, implemantation...)?
I've been working on Oracle databases for a few years as pl sql programmer, but I'd like to read something describing well the relational database theory, because I've been asked to work as database designer.There are many books available in the market, please go through this link -- http://www.amazon.com/gp/bestsellers/books/549646/ref=pd_ts_b_nav
I've been told to read "Fundamentals of Database Systems" by Ramez Elmasri, but I ask here for some more advices.I would strongly recommend reading this book, it was my best reference during my college study and even after starting my DBA career.
Thanks,
Hussein

How to design multiple file polling BPEL process?

Hi all,
I am trying to solve/design the following in BPEL process:
- The integration process flow I am trying to design is an interaction b/n system A (FTP server), an Integration platform and system B.
- The integration platform will poll files from an internal FTP server. It has 2 Time files (“Time1” and “Time2”) alternatives to poll from the FTP server. It will then transform the message/information inside the files (time information) to an internal XML format. At the end it shall send the message to system B.
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Normal succeeded scenario:
1- The integration platform polls the latest “Time1” file from the internal FTP server. The polling is done every 15th minute.
2- The integration platform logs to BAM and reports that the file is received.
3- The platform then converts the message to an internal format.
4- The platform sends the converted message/time information to system B.
5 - The use-case ends.
Not normal scenario:
1- The platform cannot get/receive file “Time1” file.
- The platform logs to BAM and reports that the file could not be received.
- The platform polls file “Time2” from the FTP server and it does the same normal scenario as above. The use case ends.
2 - Time message/information from the Time1 file has not full information (less than 24 rows). The file is supposed to have 24 rows (for 24 hours).
- The platform logs to BAM and reports that there is missing information on the message.
- The platform gets/polls instead the “Time2” file from the FTP server and it does the normal scenario.
- The use case ends.
3- The platform can find/get neither file “Time1” nor “Time2”.
- The platform alarms to BAM that it could not get/find the files.
** I am considering either the pick activity or the switch activity solution. Does any one of you have an idea how to design this in oracle BPEL process?
Thanks.

Not sure I understand your use case completly so if I'm off track I apploigise.
I think there are 3 ways to solve this. The 3rd may be closest to what you are looking for.
1. Have 2 processes that read into a common area, e.g. database where you can compare. From there you can choose which file to pick. This is high leve but I think this would be dificult to implement.
2. Implement a combination of a rejectedMessage handler and error processing witn the BPEL process itself. The rejecte message handler can call another BPEL process if the time1 file is in a invalid state. This process will then read the time2 file. The issue with this is that the rejecte message handler will only get invoked when the file doesn't conform to the schema.
3. Use the quarts scheduler whcih invokes a BPEL process every 15 miniutes. Using the file adapter to perform a synchronous read to read time1, analyse it, if it fails read time2 using synchronous read. Then perform the approprate action id this fails.
hope this give some ideas.
cheers
James

Design of Sharemarket database

Hi One and All,
I have a query regarding, design of New database....
Right now I joined as a Database administrator as a fresher, my superior has given me one assignment i.e. I have to create a sample database on Share market. As per his requirement the tables should be Issuer table, Security table, Broker table, INvestor table, Account table, Order table, Tradeing table. He said that I have to prepare the fiellds for this tables and relation ships and whole database structure.... I can prepare relations ships and database structure but the problem is, I don't know how the stock market is really works. If any body help me in this issue I am very thank full to him.
I need just the table feilds, if I get this rest of job i wil do by studying the subject of share market.
Thank You

That was his test for you I believe. This is where your Analyst skills come into play. You are not (and he is not expecting) expected to know the fields that relate to each sectior you will be working on. You start by doing some requirements gathering. Ask him for documentations that could help you pickup information about the market and get to choose the fields that will help with your design.
There will be a whole lot of Stock Market information out there online that you can search for. You can even download sample .Net or Access applications to help you get started. But if your company already deals with that market, then he is testing to see how you can fit in witht he project I am not sure what your educational background is, but when you get to Database Design environment, most things you learnt from school and did in your projects comes back to life. So remember the life cycles etc. Make use of it.
Goodluck.

How to create tree by database table

hello sir ,
my table is as follows,
NAME LINK ID PID ROLLID
User mgt. f?p=131:1: 1 - 10 ////root node///
district 10 1 1 child
Roles 16 14 4 child
Users 11 10 1 child
ROLLID is given from another table whis is (ROLES). i making tree by the combinations of id , pid, & roll id. by the roll id i can manage the tree to do not display specific nodes to specific users.
ROLE table as :
ROLE_ID NAME DESCRIPTION
1 Administrator This is administrator
2 Assistant Director -
3 Assistant Statistical Officer -
4 Data Entry Operator -
but i think it is very complicated process . give me solution about it
also i have to give my images to each node. how can i do that?

You already have a thread going about this: Re: how to create tree by database table .
Scott

How to design a 3D database in SDO

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