Whats the most in-demand programming language UNIX Post: 302963819

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Top Forums Programming Whats the most in-demand programming language UNIX Post 302963819 by durden_tyler on Wednesday 6th of January 2016 08:38:46 PM

01-06-2016

Registered User

By "database management", do you mean "database administration", as in Oracle DBA?

If that's the case, then Oracle DBA guys usually don't do a lot of programming. And Oracle programmers usually don't do a lot of DBA work.
I say "usually" because there is a select breed of niche "developer DBAs" who can do both. In a large corporation, you may not find opportunities to do both. In smaller companies or startups, such opportunities are more.

Oracle is certified a few *nixes - Oracle Enterprise Linux, Solaris etc. but can run on virtually any Linux distro. If you are doing Oracle DBA work on *nix, then you should:
- know the file and directory structure of the *nix installation
- use commands to navigate around, find files, search/replace in files, zip, rename etc.
- do backup, recovery, using Oracle's utilities etc. on *nix.
- be comfortable with basic shell scripting - usually bash or ksh

If you are an Oracle programmer (who writes SQL, PL/SQL etc.) on *nix, then you should be *very* comfortable with shell scripting, sed, awk and/or scripting languages.

That's because once a SQL script is written, deploying and/or scheduling it in a *nix environment requires a little bit of scripting glue work.
As an example, if you want to connect to Oracle and execute your SQL script for a bunch of dates, spool the results to different files, aggregate the results, mail them to interested parties and then tar gzip the files, version them and move them to an archive directory, then you'd need pretty decent shell scripting skills.

Pick up a good book on Unix or Linux and understand the basics, how the filesystem is structured, what the commands are, how to use them etc.
Learn shell scripting - bash and ksh should be enough for a start.
Learn awk.
Install a Linux system as a VM (or even a dual boot), install Oracle and get comfortable with startup, shutdown, sqlplus etc.
Check this site for posts on Oracle and Linux - there are members here who work on Oracle on Linux. Look at the problems and see how they are solved.

Hope that helps.

durden_tyler

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LEARN ABOUT SUSE

apache::session::oracle

Session::Oracle(3)					User Contributed Perl Documentation					Session::Oracle(3)

NAME

       Apache::Session::Oracle - An implementation of Apache::Session

SYNOPSIS

	use Apache::Session::Oracle;

	#if you want Apache::Session to open new DB handles:

	tie %hash, 'Apache::Session::Oracle', $id, {
	   DataSource => 'dbi:Oracle:sessions',
	   UserName   => $db_user,
	   Password   => $db_pass,
	   Commit     => 1
	};

	#or, if your handles are already opened:

	tie %hash, 'Apache::Session::Oracle', $id, {
	   Handle => $dbh,
	   Commit => 1
	};

DESCRIPTION

       This module is an implementation of Apache::Session.  It uses the Oracle backing store and no locking.  See the example, and the
       documentation for Apache::Session::Store::Oracle for more details.

USAGE

       The special Apache::Session argument for this module is Commit.	You MUST provide the Commit argument, which instructs this module to
       either commit the transaction when it is finished, or to simply do nothing.  This feature is provided so that this module will not have
       adverse interactions with your local transaction policy, nor your local database handle caching policy.	The argument is mandatory in order
       to make you think about this problem.

       This module also respects the LongReadLen argument, which specifies the maximum size of the session object.  If not specified, the default
       maximum is 8 KB.

AUTHOR

       This module was written by Jeffrey William Baker <jwbaker@acm.org>.

SEE ALSO

       Apache::Session::File, Apache::Session::Flex, Apache::Session::DB_File, Apache::Session::Postgres, Apache::Session

perl v5.12.1							    2007-09-28							Session::Oracle(3)