PL/SQL:Anchored data type

Data type which you assign to a variable based on database object.
Syntax:
variable_name typed_attribute %type

Example:
Declare
vname employees.first_name %type
Begin
select first_name into vname from employees where employee_id=100;
dbms_output.put_line(vname);
end;


In the above example vname is the name of variable and employees is table name of database, first_name is attibute(column)of employees table %type used for anchored datatype. This querry will asign datatype with respect to database object.