Parameterizing to dynamically generate the extract file from Oracle table using Shell Script
I have below 2 requirements for parameterize the generate the extract file from Oracle table using Shell Script. Could you please help me by
modifying the script and show me how to execute it.
First Requirement:
I have a requirement where I need to parameterize to generate one extract file from multiple Oracle tables through the UNIX shell script.
Here is the script which I have written to generate one tab delimited file which will fetch all the data from EMPLOYEE table.
I need to parameterize the TABLE_NAME,OWNER_NAME,USERNAME,PASSWORD and HOST to generate from 12 more tables.
So, I would like to have only one SQL to dyngenerate the extract for 12 tables by passing these parameters values when executing the scripts.
Could you please give me show me how we can modify the below script and how to pass the parameter during the script execution.
Second Requirement:
To generate the file incrementally based on a column for example, ETL_UPDATE_TS. can you please show me this also.
Sample Scripts
Last edited by vgersh99; 06-28-2018 at 07:28 PM..
Reason: code tags, please!
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Discussion started by: meera_123
2 Replies
LEARN ABOUT SUSE
apache::session::store::oracle
Session::Store::Oracle(3) User Contributed Perl Documentation Session::Store::Oracle(3)NAME
Apache::Session::Store::Oracle - Store persistent data in a Oracle database
SYNOPSIS
use Apache::Session::Store::Oracle;
my $store = new Apache::Session::Store::Oracle;
$store->insert($ref);
$store->update($ref);
$store->materialize($ref);
$store->remove($ref);
DESCRIPTION
Apache::Session::Store::Oracle fulfills the storage interface of Apache::Session. Session data is stored in a Oracle database.
SCHEMA
To use this module, you will need at least these columns in a table called 'sessions':
id varchar2(32) # or however long your session IDs are.
a_session long
To create this schema, you can execute this command using the sqlplus program:
CREATE TABLE sessions (
id varchar2(32) not null primary key,
a_session long
);
If you use some other command, ensure that there is a unique index on the table's id column.
CONFIGURATION
The module must know what datasource, username, and password to use when connecting to the database. These values can be set using the
options hash (see Apache::Session documentation). The options are DataSource, UserName, and Password.
Example:
tie %hash, 'Apache::Session::Oracle', $id, {
DataSource => 'dbi:Oracle:database',
UserName => 'database_user',
Password => 'K00l'
};
Instead, you may pass in an already-opened DBI handle to your database.
tie %hash, 'Apache::Session::Oracle', $id, {
Handle => $dbh
};
The last option is LongReadLen, which specifies the maximum size of the session object. If not supplied, the default maximum size is 8 KB.
AUTHOR
This modules was written by Jeffrey William Baker <jwbaker@acm.org>
A fix for the commit policy was contributed by Michael Schout <mschout@gkg.net>
SEE ALSO
Apache::Session, Apache::Session::Store::DBI
perl v5.12.1 2007-09-28 Session::Store::Oracle(3)