Check out example codes for "oracle create stored procedure". It will help you in understanding the concepts better.

Code Example 1

-- Oracle

-- EXAMPLE
CREATE OR REPLACE PROCEDURE select_employees()
BEGIN
   select * 
   from employees 
   limit 1000; -- Remember, the delimiters within the stored procedure remain ;
END;

/* SYNTAX
CREATE OR REPLACE PROCEDURE <Your-procedure-name>(<argument1><argument2>...<argumentN>)
BEGIN
   <Code-that-stored-procedure-executes>; -- Remember, the delimiters within the stored procedure remain ;
END;
*/

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