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 DEBIAN

jifty::dbi::handle::oracle

Jifty::DBI::Handle::Oracle(3pm) 			User Contributed Perl Documentation			   Jifty::DBI::Handle::Oracle(3pm)

NAME

	 Jifty::DBI::Handle::Oracle - An oracle specific Handle object

SYNOPSIS

DESCRIPTION

       This module provides a subclass of Jifty::DBI::Handle that compensates for some of the idiosyncrasies of Oracle.

METHODS

   connect PARAMHASH: Driver, Database, Host, User, Password
       Takes a paramhash and connects to your DBI datasource.

   database_version
       Returns value of ORA_OCI constant, see "Constants" in DBD::Oracle.

   insert
       Takes a table name as the first argument and assumes that the rest of the arguments are an array of key-value pairs to be inserted.

   build_dsn PARAMHASH
       Takes a bunch of parameters:

       Required: Driver, Database or Host/SID, Optional: Port and RequireSSL

       Builds a dsn suitable for an Oracle DBI connection

   blob_params column_NAME column_type
       Returns a hash ref for the bind_param call to identify BLOB types used by the current database for a particular column type.  The current
       Oracle implementation only supports ORA_CLOB types(112).

   apply_limits STATEMENTREF ROWS_PER_PAGE FIRST_ROW
       takes an SQL SELECT statement and massages it to return ROWS_PER_PAGE starting with FIRST_ROW;

   distinct_query STATEMENTREF
       takes an incomplete SQL SELECT statement and massages it to return a DISTINCT result set.

AUTHOR

       Jesse Vincent, jesse@fsck.com

SEE ALSO

       Jifty::DBI, Jifty::DBI::Handle, DBD::Oracle

perl v5.14.2							    2011-04-26					   Jifty::DBI::Handle::Oracle(3pm)