CREATE TABLE book_202151031 (
 no          int not null auto_increment,
 a      VARCHAR(16)     not null,
 b         VARCHAR(62)     not null,
 c       VARCHAR(20)   not null,
 d         VARCHAR(20)   not null,
 ISBN       VARCHAR(20)  not null,
 primary   key(no)
 
 ) character set utf8mb4;