.PL/SQL is not a stand-alone programming language; it is a tool within the Oracle programming environment. SQL* Plus is an interactive tool that allows you to type SQL and PL/SQL statements at the command prompt. These commands are then sent to the database for processing. Once the statements are processed, the results are sent back and displayed on screen.
To run PL/SQL programs you should have Oracle RBDMS
Server installed in your machine which will take care of executing SQL
commands. Most recent version of Oracle RDBMS is 11g. You can download a trial
version of Oracle 11g from the following link:
You will have to download either 32bit or 64 bit
version of the installation as per your operating system. Usually there are two
files, as I have downloaded for 64 bit Windows7. You will also use similar
steps on your operating system, does not matter if it is Linux or Solaris.
win64_11gR2_database_1of2.zip
win64_11gR2_database_2of2.zip
After downloading above two files, you will need to
unzip them in a single directory database and under that you will find
following sub-directories:
Step 1
Now let's launch Oracle Database Installer using setup file.
Following is the first screen. You can provide your email ID and uncheck, check
box and click Next button:
Step 2
You will have following screen, just uncheck the check box and
click continue button to proceed.
Step 3
Just select first option Create and Configure Database using
radio button and click Next button to proceed:
Step 4
I assume you are installing Oracle just for learning purpose and
you will install it on your PC or Laptop. So select Desktop Class option
and click Next button to proceed:
Step 5
Provide a location where you will install Oracle Server. Just
modify Oracle Base and rest of the locations will set automatically.
Second you will have to provide a password which will be used by system DBA.
Once you provide required information, click Next button to proceed:
Step 6
Just click Next button to proceed:
Step 7
Now click Finish button to proceed, this will start actuall
server installation.
Step 8
Just wait, until Oracle starts doing required configuration.
Step 9
Here Oracle installation will copy required configuration files,
so kindly just wait and watch:
Step 10
Once everything is done, you will have following dialogue box.
Just click OK button and come out.
Step 11
Once your installation is done, you will have following final
window.
Final Step
If everything has been done successfully then its time to verify
your installation. At your command prompt use the following command if you are
using Windows:
sqlplus "/ as sysdba"
If everything is fine, you should have SQL prompt where you will
write your PL/SQL commands and scripts:
Text Editor
Running large programs from command prompt may land you in
inadvertently losing some of the work. So a better option is to use command
files. To use the command files:
Type your code in a text editor, like Notepad, Notepad+, or
EditPlus etc.
Save the file with the .sql extension in the home directory.
Launch SQL*Plus command prompt from the directory where you
created your PL/SQL file.
Type @file_name at the SQL*Plus command prompt to execute your
program.
If you are not using a file to execute PL/SQL scripts, then simply
copy your PL/SQL code and then right click on the black window having SQL
prompt and use paste option to paste complete code at the command
prompt. Finally, just press enter to execute the code, if it is not already executed.