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PL/SQL Tutorial - What is PL/SQL, Features and Advantages of PL/SQL

PL/SQL is developed by Oracle Corporation to increase/enhance capabilities of SQL, PL/SQL stands for P rocedural L anguage extension to SQ...

Tuesday, 20 February 2018

Enable DBMS_OUTPUT in Oracle SQL Developer

I hope all of you'll be familiar with Oracle SQL Developer tool , A tool used by database developers to perform DB related tasks efficiently

DBMS_OUTPUT package of PL/SQL enables user to show/print some debugging information and used by learners to run and check small chunks of pl/sql code

Here we'll see how to enable DBMS_OUTPUT package in SQL Developer

1. Using SQL Developer Settings

  • Open SQL Developer
  • Click on View Menu, Select Dbms Output option
  • In Dbms Output window click on green plus icon and select a DB connection
  • Now write your query in query builder and execute

            And you can see output in Dbms Output window

2. Using Script

This is time saving, just run this script and all done :) 

Execute query and check

Cheers :) Happy Learning


  1. hello,

    sorry, my comment is not related to your topic but i don't know how to contact you.
    Can you help me here please ?


    1. Hello Elmohandes

      Try setting changeEventPolicy of table iterator to "none"