【解決方法】この SQL コードの構文エラーを解決するにはどうすればよいですか

create database clothingstore;
create table customer(
CMobile_no       int ,
Customer_id       int,
Customer_Address  varchar(20),

constraint customer_pk
primary key (Customer_id),

);
create table customer_Name(

Fname        varchar(20),
Minit        varchar(20),
Lname        varchar(20),
Customer_id    int,
constraint customer_name_pk
primary key (Customer_id),

);
create table Branch(
Branch_id   int,     
Branch_Name  varchar(20),
Branch_Location  varchar(20),
Branch_Address   varchar(20),

constraint Branch_pk
primary key (Branch_id),

);

create table Buysfrom(
Cid int
  
  Bid int

 Hrs  int
 CONSTRAINT buys_pk
 primary key (Cid,Bid)

 Constraint customer_Buys_pk
 foreign key (Cid) references customer(Customer_id)
 constraint Branch_Buys_fk
 foreign key (Bid)references Branch(Branch_id)


);

私が試したこと：

スピーリングという言葉を変えようとした