Comments in PL/SQL

Comments in PL/SQL:

• PL/SQL compiler ignores comments.
• Comments promote readability and aids understing.
• PL/SQL supports two types comments

              -> Single line comments(--)
              -> /* Multi Line comments */
Comment Example:
Store the employee No is NOT NULL(compulsory), employee Name and constant the employee Department fixed on Web Designer using the Variable.
Exmple Code:
SQL> set serveroutput on
SQL> DECLARE
    --assign value into eno variable
         eno number(4) NOT NULL := 1001;   
         ename varchar2(10) := Net Lo Java;

    /* Constant value is fixed for job value is "Web Designer"
    is fixed all program not required declare all times. */

          job CONSTANT varchar2(10) := Web Designer;
          BEGIN
          dbms_output.put_line('Declared Value:');
          dbms_output.put_line(' Eno: ' || eno || ' EName: ' || ename);
          dbms_output.put_line(' Job: ' || job);   
          END;