Marking Columns Unused : Alter Table « Table « Oracle PL / SQL






  1. Oracle PL / SQL
  2. Table
  3. Alter Table

Marking Columns Unused

   

create table people(
  employee_id     number(9),
  first_name      varchar2(15),
  last_name       varchar2(20),
  email           varchar2(25),
  constraint pk_people primary key (employee_id)
);

insert into people values (1, 'T', 'Kyte', 'YourName@q.com');

insert into people values (2, 'S', 'Dillon', 'sdillon@q.com');

insert into people values (3, 'C', 'Beck', 'clbeck@q.com');

select * from people;


alter table people
set unused (first_name, last_name);

drop table people;








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