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DROP TABLE bookcat CASCADE CONSTRAINTS; CREATE TABLE bookcat( );

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DROP TABLE book CASCADE CONSTRAINTS; CREATE TABLE book( );

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DROP TABLE storeuser CASCADE CONSTRAINTS; CREATE TABLE storeuser(

username VARCHAR2 (20)

PRIMARY KEY,

id catid

id

NUMBER PRIMARY KEY,

VARCHAR2 (40)

NOT NULL

catname

NUMBER PRIMARY KEY,

NUMBER NOT NULL

REFERENCES bookcat(id) ON DELETE CASCADE,

VARCHAR2 (50)

NOT NULL,

name price

NUMBER NOT NULL, NUMBER

NOT NULL,

saleprice descript author contents image

VARCHAR2 (500) NOT NULL, VARCHAR2 (50) NOT NULL, VARCHAR2 (2000) NULL, VARCHAR2 (50) NULL

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