When you are create an object in Oracle Database, default object type will be marked editionable. From 12c onwards, you can mark the objects as noneditionable , and same you cannot edit with create or replace . For altering the same you have to alter the object and change to editionable.

Here I am listing the commands using for creating, running, and fetching the scheduler jobs in Oracle database for easy reference.

To find the constraints in a table

The RETURNING INTO clause allows us to return column values for rows affected by DML statements. The returned data could be a single column, multiple columns or expressions.

Writings comments in the code will help you and anyone who reads the code by giving more readability and understandings...

This is cheat sheet for data dictionary views in PL/SQL

Catalog views are provided for DIRECTORY objects to enable users to view object names and corresponding paths and privileges.

The TIMESTAMP datatype is an extension on the DATE datatype.

PL SQL Query to list the currently running jobs.