How to remove primary key from simple table

Question

suppose we create table like
create table emp( id int primary key , name char ( 50));
so we assign primary key to id coloum , then I want drop this key through query ... not through GUI in SQL server ..

Answer 1

ALTER TABLE emp
DROP PRIMARY KEY

Answer 2

hiiii Alvaro .... we try this it's not working ...
suppose we create new table and assign constraint like ...
create table emp (id int constraint emp_pk primary key, name char (50));
then we can drop this constraint ..

alter table emp drop constraint emp_pk

your query not working ... we try this

Answer 3

hii