how to add primary key constraint at the table level what is the syntax for that expa

[prajakta thorat]

how to add primary key constraint at the table level what is the syntax for that expalin with exampale

[prajakta thorat]

create table p_branch (
branch_id number (10)
,name varchar2 (20)
, address varchar2(30)
, city varchar2 (20)
, state varchar2 (20)
, zip varchar2 (20)
);


alter table p_branch add constraint pk_id primary key (branch_id);