How do you write comments in a PL/SQL code?

1.	How do you write comments in a PL/SQL code?
Answer» Comments are those SENTENCES that have no EFFECT on the functionality and are USED for the purpose of enhancing the readability of the code. They are of two types: Single Line COMMENT: This can be created by using the symbol -- and writing what we want to mention as a comment next to it. Multi-Line comment: These are the comments that can be specified over MULTIPLE lines and the syntax goes like /* comment information / Example:* SET SERVEROUTPUT ON; DECLARE -- Hi There! I am a single line comment.var_name varchar2(40) := 'I love PL/SQL' ; BEGIN /* Hi! I am a multi line comment. I span across multiple lines */dbms_output.put_line(var_name);END; /Output:I love PL/SQL

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