1214152SedCREATE TABLE persons ( 2214152Sed id int NOT NULL primary key, 3214152Sed name varchar(255) NOT NULL 4214152Sed) 5222656Sedunique hash on (id) pages=100; 6222656Sed 7214152SedCREATE TABLE institutes ( 8214152Sed id int NOT NULL primary key, 9214152Sed name varchar(255) 10214152Sed) 11214152Sedunique hash on (id) pages=100; 12214152Sed 13214152SedCREATE TABLE documents ( 14214152Sed id int NOT NULL primary key, 15214152Sed title varchar(255) NOT NULL, 16214152Sed abstract varchar(255) 17214152Sed) 18214152Sedunique hash on (id) pages=100; 19214152Sed 20214152SedCREATE TABLE authors_docs ( 21214152Sed pers_id int NOT NULL, 22214152Sed doc_id int NOT NULL, 23215125Sed PRIMARY KEY 24214152Sed ( 25214152Sed pers_id, 26214152Sed doc_id 27214152Sed ) 28214152Sed) unique hash on (pers_id, doc_id) pages=100; 29214152Sed 30214152SedCREATE TABLE phones ( 31214152Sed id int NOT NULL primary key, 32214152Sed phone varchar(255) NOT NULL , 33214152Sed pers_id int NOT NULL 34214152Sed) 35214152Sedunique hash on (id) pages=100; 36214152Sed 37214152Sed