How to connect to oracle9i database from Unix

Hi All,
How can i connect to remote oracle9i database(windows based) from Unix. I have following server information Server IP, Username , Userpassword , DataBase name.Do i need any other information to connect to server?
How can i connect database from Putty?
Do i need to install SQL on the Unix to connect to oracle server?
and which C/C++ API i have to use to access tables from the remote oracle server?
please help me i am new to oracle .
Thanks in advance.

Oracle generally uses a special set of software, commonly called the SQLNet or Oracle Networking, as a layer to provide a connection between the client and the database server.
In general terms,
- the client software (perhaps sqlplus, an application, ODBC) calls Oracle Networking on the client computer and says "please connect to database known as 'x'";
- Oracle Networking translates the request, often by looking up 'x' in the TNSNAMES.ORA file at the client side, to get the host name, the port the Oracle listener is waiting on, and the name of the database service to access;
- Oracle Networking contacts the computer on the required port. If the listener is there, the Oracle Networking client asks for a connection to the database service;
- The Listener (if it recognizes it) asks the database service for a 'server process';
- The database starts up a server process which grabs a network port and tells the listener which port was obtained;
- The listener tells Oracle Networking on the client which port to use;
- The client disconnects from the Listener, and reconnects at that port;
- The server process starts authentication and session initialization, after which we are good to go.
In answer to your questions:
1) How can i connect database from Putty?
That implies you want to telnet to the Windows box and run the client stuff locally on the Windows box. So that means you need to look at telnet or ssh documentation - this has nothing to do with Oracle.
2) Do i need to install SQL on the Unix to connect to oracle server?
Not really. It does mean you might want to install an Oracle CLIENT (see the download section of http://otn.oracle.com) which will initiate the sequence as above.
A different sort of client is SQL Developer, a Java-based GUI with it's own built-in Oracle Networking, that displays database stuff. That is also offered by Oracle at the same download page.
3) and which C/C++ API i have to use to access tables from the remote oracle server?
Oracle provides a C/C++ API as a pre-processor, called Pro*C. I suspect this si way beyond what you want right now.
4) please help me i am new to oracle .
Please, please, please, please, please ..... please .... purchase and read http://www.oreilly.com/catalog/oressentials3/

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who can tell me where is my WRONG, or tell me how to connect to Oracle9i DB?

Hi Jhlijun,
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Topic: Who can explain how EJB connect to Oracle9i DB with DataSource?

I have taken 4 days into this problem. I am developing EJB with
J2EE1.3 and Oracle9i DB, I can connect to DB in code with
DriverManager. But I want to use DataSource to connect to DB. I
failed, I can not get new way to resolve it when I after try to
connect with javax.sql.DataSource,
oracle.jdbc.pool.OracleDataSource and
oracle.jdbc.pool.OracleConnectionPoolDataSource.
I have got different Exceptions when I coding different ways:
one is:
Caught an exception.
java.rmi.ServerException: RemoteException occurred in server
thread; nested exception is:
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javax.ejb.EJBException: Unable to connect to database.
com.sun.enterprise.resource.JdbcDataSource; nested
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java.rmi.ServerException: RemoteException occurred in server
thread; nested exception is:
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makeConnection:Io Exception: Connection refused(DESCRIPTION=
(TMP=)(VSNNUM=150999297)(ERR=12505)(ERROR_STACK=(ERROR=
(CODE=12505)(EMFI=4)
))); nested exception is:
javax.ejb.EJBException: Unable to connect to database.
makeConnection:Io
Exception: Connection refused(DESCRIPTION=(TMP=)
(VSNNUM=150999297)(ERR=12505)(ERROR_
STACK=(ERROR=(CODE=12505)(EMFI=4))))
java.rmi.RemoteException: nested exception is:
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makeConnection:Io Exception: C
onnection refused(DESCRIPTION=(TMP=)(VSNNUM=150999297)(ERR=12505)
(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))
<<no stack trace available>>
My codes related are:
private void makeConnection() throws NamingException,
SQLException {
try{
InitialContext ic = new InitialContext();
OracleConnectionPoolDataSource ocpds =
(OracleConnectionPoolDataSource) ic.lookup(dbName);
PooledConnection pc = ocpds.getPooledConnection();
con = pc.getConnection();
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"lijun", "xiaotian"); */
public void setEntityContext(EntityContext context) {
this.context = context;
try {
makeConnection();
} catch (Exception ex) {
throw new EJBException("Unable to connect to database. " +
ex.getMessage());
I believe I set JNDI and config EJB right, because I can run it
with Cloudscape DB all right.
who can tell me where is my WRONG, or tell me how to connect to
Oracle9i DB?

Hi,
on small thing to check (or perhaps do):
Make sure that you are using the JDBC drivers from the Oracle9i
DB client e.g. copy the classes12.jar from the ORACLE_HOME of
the database client into OC4J_HOME lib.
Also, one thing that might help is to define an explict Oracle
datasource e.g.
- Set class to value of Oracle DataSource class
- Use only the location logical name
- Returns Oracle implementation of java.sql.Connection
<data-source
class="oracle.jdbc.pool.OracleDataSource"
name="jdbc/oracle/PooledDS"
location="jdbc/oracle/PooledDS"
username="scott"
password="tiger"
url="jdbc:oracle:thin:@<host>:<port>:<SID>"
/>
Andy

I can't connect to MySQL database from The JSP Standard Tag Library

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=========================================START=================================
HTTP Status 500
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message
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exception
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Apache Tomcat/5.5.17
=======================================END================================
Error: "According to TLD or attribute directive in tag file, attribute dataSource does not accept any expressions" - but according to documentation such parameter possible.
BUT WHEN JOINING With DATABASE FROM SERVLET ALL WORK FINE.
I read this doc - [http://tomcat.apache.org/tomcat-5.5-doc/jndi-datasource-examples-howto.html], this applicable if I Tomcat Admin, but i'am not Admin
I simply user, i.e. I want to place its database on virtual host (Tomcat+(JSP-JSTL)+MySQL).
There is idea how can resolve this problem
Thank you in advance ;)

For all how have similar problem.
Decision instead of these ways
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ taglib prefix="sql" uri="http://java.sun.com/jstl/sql" %>
it is necessary to indicate these
<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

Connecting to a database from another computer...

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thanks! :)
Edited by: Shaor-1 on Dec 22, 2008 3:47 AM

hey!
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         String url = "jdbc:mysql://localhost/Movies";
         String user = "root";
         String pw = "x";
         con = DriverManager.getConnection(url, user, pw);
         System.out.println("****INFO****");
     catch (ClassNotFoundException e)
         System.out.println(e.getMessage());
           System.out.println("1");
         System.exit(0);
     catch (SQLException e) {
         System.out.println(e.getMessage());
           System.out.println("2");
          System.exit(0);
        return con;
    private static Movie getMovie(ResultSet movies) {
        try {
            String title = movies.getString("Title");
            int year = movies.getInt("Year");
            double price = movies.getDouble("price");
            return new Movie(title, year, price);
        catch (SQLException e)
        System.out.println(e.getMessage());
        return null;
    private static class Movie
        public String title;
        public int year;
        public double price;
        public Movie(String title, int year, double price)
            this.title = title;
            this.year = year;
            this.price = price;
BTW_
my computers ip is: 81.229.40.17
the database is on that computer.
thanks!

Connecting to a database from Business Components JSP Application

Hallo All!
Can anybody give me an advice about connecting to a database from Business Components JSP Application? In all examples I see that Oracle user name and password placed in configuration file.
How can user provide his own name and password to start Oracle session and how then hi can close this session?
null

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Dmitri:
Dear Laura,
I mean first variant where the database would be the same:
scott/tiger@database1
foo/bar@database1
Of course I understand that we must register every user in database by "CREATE USER XXX" and it is unacceptable for Internet. But it may be very convenient for an Intranet because we can build access restriction based on set of views without any changes in applications.
Best wishes,
Dmitri.<HR></BLOCKQUOTE>
null

Connection to Embeded Database from Crystal Reports XI

I am writing an application that uses a SQL Server Mobile Database. I have not been able to determine how to connect to this database through Crystal Reports.
1. Is it possible?
2. How do I provide the connection string that uses only 2 parameters?
Gene

When you create a DSN the ODBC string expects information for Server, Database, Username, and Password. When you are working with an Embedded Database, typically you have a filename and a password (which can be null). I was not able to create a DSN for this connection.
What I have been able to get working is the following:
1. Create an ADO DataSet Object within the application.
2, Create the CR attaching ot the DataSet Object.
3. In the application code where you are attaching the CR to a viewer you must
      a. Define a Data Adaptor for the DataSet.
      b. Define a Data Table and load the table from the DataSet GetData() method.
      c. Define the full path to the report file.
      d. Define a ReportDocument Object
      e. Load the report path in the the ReportDocument Object
      f. Define the DataTable as the Data Source to the ReportDocument Object
      g. Define the Viewer ReportSource as the ReportDocument Object.
I have been able to use this approach on 3 separate reports and returned the correct data. A lot of steps, but it is working.
GFKerls

How to connect to oracle10g Database using oracle11g Enterprise Manager.

Hi,
please suggest me how to connect to oracle10g Database using oracle11g Enterprise Manager.
i did setting in tnsnames.ora file of oracle11g database but when i am trying to connect sys@testvsr and password
using oracle11g Enterprise manager its not connecting but from command prompt its connecting.
its not acccepting hostname its simply telling invalid username and password ,if i remove and try to connect its connecting.
so please suggest its very urgent my manager is nagging.
Regards,
Srinu.

you cant attach a database 10g instance with
Enterprise manager of 11g as enterprise manager is
meant for a single database only .. your problem cant be solved
enterprise manager it can be solved by using GRID CONTROL
For more details visit oracle documentation..
Hope This helps..
BI TC

How do connect to Historical Databases?

Hi,
please explain me what is Historical databases?
Can u tell me how to connect to Historical databases? can we download these Database servers from net?
- senthil

Hi Senthil,
You can try for RTXHDB (RTX Historical Database).
RTX provide secured relational databases for LAN and WAN network.
Often the use of relational database, or transaction-oriented technology, for off process historical LAN/WAN database applications, and doing unconventional operations on data.
As an example, It is in this area of off process historical data warehousing and retrieval that the RTXHDB (RTX Historical Database) system excels. RTXHDB processes and stores a massive flow of data for LAN/WAN database applications, which then can be retrieved with a great deal of speed and quickly turned into useful information for the PC user.
You can check following links for more information.
www.expertune.com/articles/isa2004perfmonhda.pdf
http://www.rtx.com/hdbcncpt.htm
Best Regards
Ramshanker

How to delete string or line from unix file(dataset) of application server

Hi All,
After transfer workarea information or all records into dataset(unix file). When I see the file in application server automatically the last line is shown a blank line. I am not passing any blank line.
I have tried for single record than also the file generates the last line(2nd line) also a blank line.
When I m reading the dataset, it is not reading the last blank line but why it is showing the last blank line?
How to delete string or line from unix file(dataset) of application server?
Please give your comments to resolve this.
Thanks
Tirumula Rao Chinni

Hi Rio,
I faced similar kind of issue working with files on UNIX platform.
The line is a line feed to remove it use
DATA : lv_carr_linefd TYPE abap_cr_lf VALUE cl_abap_char_utilities=>cr_lf.
DATA : lv_carr_return TYPE char1,
         lv_line_feed   TYPE char1.
lv_line_feed   = lv_carr_linefd(1).
lv_carr_return = lv_carr_linefd+1(1).
Note: IMP: The character in ' ' is not space but is a special
character set by pressing ALT and +255 simultaneosly
REPLACE ALL OCCURRENCES OF lv_line_feed IN l_string WITH ' '.
REPLACE ALL OCCURRENCES OF lv_carr_return IN l_string WITH ' '.

How to connect to oracle9i database from Unix

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