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 <[EMAIL PROTECTED]> 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 [EMAIL PROTECTED]; > > COUNT(*) > ---------- > 1000 > > SQL> desc [EMAIL PROTECTED]; > 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 [EMAIL PROTECTED] 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 > > -- > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.344 / Virus Database: 267.11.0/103 - Release Date: 15/09/2005 > > > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED] > >
