sql - ORA-00907: Missing right parenthesis -

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i have code (for example)

 create table s(     id int,     y int not null unqiue,     x int not null,     z varchar(50) not null,     k varchar(50),     l varchar(50) not null,     m int not null,     v int not null,     c int not null,     r varchar(400),     constraint s_pk primary key (id));

but ora-00907: missing right parenthesis. made wrong?

create table s(     id int,     y int not null unique,     x int not null,     z varchar(50) not null,     k varchar(50),     l varchar(50) not null,     m int not null,     v int not null,     c int not null,     r varchar(400),     constraint s_pk primary key (id));

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