(20),
PUBLISH VARCHAR2(20),
PUBDATE VARCHAR2(20),
PRICE NUMBER(6,3),
AUTHOR...VARCHAR2(20),
STORE VARCHAR2(1),
READER NUMBER,
REMARKS VARCHAR2(50),
CONSTRAINT...VARCHAR2(20),
STORE VARCHAR2(1),
READER NUMBER,
REMAERKS VARCHAR2(50)
);
CREATE TABLE BOOKINFO...(
BOOKID NUMBER,
BOOKNAME VARCHAR2(20),
PUBLISH VARCHAR2(20),
PUBDATE VARCHAR2(20),
PRICE...NUMBER(6,3),
AUTHOR VARCHAR2(20),
STORE VARCHAR2(1),
READER NUMBER,
REMAERKS VARCHAR2(