Hi Mark,
Thanks for the email. Yes i also read about this.
But the problem with this approach is since our oracle db is a production
database which runs 24*78 and during night time it runs lot of other jobs i
cannot make the reporting job run from this oracle database.
regards
anandkl
On 9/16/05, Mark Leith <mark@stripped> wrote:
>
> You may want to think about doing this the opposite way around also, and
> look at pushing the data from Oracle in to MySQL. Oracle has something
> called "heterogeneous services", which allows you to define ODBC
> datasources
> as valid entries in the tnsnames.ora file. Then you could simply create a
> job in Oracle that executes a procedure to do the entire process (truncate
> /
> load), no external scripting necessary..
>
> Here's a quick example of what to do:
>
> First set up an ODBC data source for your MySQL database, using MyODBC.
>
> Create a file in ORACLE_HOME/hs/admin called initMySQL.ora. In this file
> put
> the following options:
>
> HS_FDS_CONNECT_INFO = MySQL5 #ODBC DSN /* Replace MySQL5 with your DSN */
> HS_FDS_TRACE_LEVEL = OFF
>
> Alter your listener.ora file (ORACLE_HOME/network/admin) to add the
> following:
>
> (SID_DESC =
> (PROGRAM = hsodbc)
> (ORACLE_HOME = oracle/product/92) /* Your ORACLE_HOME */
> (SID_NAME = MySQL5) /* Your DSN */
> )
>
> Add the following to your tnsnames.ora file:
>
> MYSQL5 =
> (DESCRIPTION=
> (ADDRESS=(PROTOCOL=tcp)(HOST=localhost)(PORT=1521))
> (CONNECT_DATA=(SID=MYSQL5))
> (HS=OK)
> )
>
> Reload your Oracle listener (lsnrctl reload), and then connect to the
> Oracle
> database. To set the database link up:
>
> CREATE DATABASE LINK mysql5 CONNECT TO "user" identified by "password"
> using
> 'mysql5';
>
> User and password should be a valid user within MySQL, that can connect
> from
> the Oracle host. You should be set to go from there. Here's a quick
> example
> of this working, to a MySQL 5 database using the new "sakila" sample
> database that Mike Hillyer recently released
> (http://www.openwin.org/mike/download/sakila.zip):
>
> SQL> select count(*) from film@mysql5;
>
> COUNT(*)
> ----------
> 1000
>
> SQL> desc film@mysql5;
> Name Null? Type
> ----------------------------------------- --------
> ----------------------------
> film_id NUMBER(10)
> category_id NOT NULL NUMBER(10)
> title NOT NULL VARCHAR2(27)
> description LONG
> rental_duration NOT NULL NUMBER(3)
> length NUMBER(10)
> rating CHAR(5)
>
> SQL> insert into film@mysql5 values (1000000,1,'test','test',1,1,'PG');
>
> 1 row created.
>
> ---change prompts---
>
> mysql> use sakila
> Database changed
> mysql> select max(film_id) from film;
> +--------------+
> | max(film_id) |
> +--------------+
> | 1000000 |
> +--------------+
> 1 row in set (0.01 sec)
>
> HTH
>
> Mark Leith
>
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