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Whats the most in-demand programming language UNIX

 
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Old 01-06-2016
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.
 
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LEARN ABOUT OSX

net::server::proto::unix

Net::Server::Proto::UNIX(3)				User Contributed Perl Documentation			       Net::Server::Proto::UNIX(3)

NAME

       Net::Server::Proto::UNIX - Net::Server UNIX protocol.

SYNOPSIS

       See Net::Server::Proto.

DESCRIPTION

       Protocol module for Net::Server.  This module implements the UNIX SOCK_STREAM socket type.  See Net::Server::Proto.

       Any sockets created during startup will be chown'ed to the user and group specified in the starup arguments.

PARAMETERS

       The following paramaters may be specified in addition to normal command line parameters for a Net::Server.  See Net::Server for more
       information on reading arguments.

       unix_type
	   Can be either SOCK_STREAM or SOCK_DGRAM (default is SOCK_STREAM).  This can also be passed on the port line (see Net::Server::Proto).

	   However, this method is deprecated.	If you want SOCK_STREAM - just use proto UNIX without any other arguments.  If you'd like
	   SOCK_DGRAM, use the new proto UNIXDGRAM.

METHODS

       NS_unix_path/NS_unix_type
	   In addition to the standard NS_ methods of Net::Server::Proto classes, the UNIX types also have legacy calls to NS_unix_path and
	   NS_unix_type.

	   Since version 2.000, NS_unix_path is simply an alias to NS_port.  NS_unix_type is now redundant with NS_proto.

	   These methods were missing between version 2.000 and 2.003 but have been returned as legacy bridges.

QUICK PARAMETER LIST

	 Key		   Value		    Default

	 # deprecated UNIX socket parameters
	 unix_type	   (SOCK_STREAM|SOCK_DGRAM) SOCK_STREAM
	 port		   "filename"		    undef

	 # more recent usage
	 port		   "filename / UNIX"
	 port		   "filename / UNIXDGRAM"

LICENCE

       Distributed under the same terms as Net::Server

perl v5.16.2							    2012-06-06					       Net::Server::Proto::UNIX(3)