[{"title":"( 16 个子文件 41KB ) ssd7完整答案","children":[{"title":"练习","children":[{"title":"EX5","children":[{"title":"ER.gif <span style='color:#111;'> 21.75KB </span>","children":null,"spread":false},{"title":"ER.txt <span style='color:#111;'> 3.43KB </span>","children":null,"spread":false}],"spread":true},{"title":"EX7","children":[{"title":"relational-model.sql <span style='color:#111;'> 2.72KB </span>","children":null,"spread":false},{"title":"relational-schema.txt <span style='color:#111;'> 4.02KB </span>","children":null,"spread":false}],"spread":true},{"title":"EX6","children":[{"title":"normalization.txt <span style='color:#111;'> 1.27KB </span>","children":null,"spread":false}],"spread":true},{"title":"EX3","children":[{"title":"queries.sql <span style='color:#111;'> 1.56KB </span>","children":null,"spread":false},{"title":"alter_tables.sql <span style='color:#111;'> 1.24KB </span>","children":null,"spread":false},{"title":"delete_rows.sql <span style='color:#111;'> 86B </span>","children":null,"spread":false}],"spread":true},{"title":"EX1","children":[{"title":"Rel-ops.txt <span style='color:#111;'> 551B </span>","children":null,"spread":false},{"title":"CreateDB.sql <span style='color:#111;'> 1.60KB </span>","children":null,"spread":false},{"title":"BookPublisher.html <span style='color:#111;'> 2.56KB </span>","children":null,"spread":false}],"spread":true},{"title":"EXAM2","children":[{"title":"第二问.txt <span style='color:#111;'> 1.17KB </span>","children":null,"spread":false},{"title":"第三问.txt <span style='color:#111;'> 1.65KB </span>","children":null,"spread":false},{"title":"第一问(ER).txt <span style='color:#111;'> 786B </span>","children":null,"spread":false},{"title":"第一问(ER).JPG <span style='color:#111;'> 33.09KB </span>","children":null,"spread":false}],"spread":true},{"title":"EX2","children":[{"title":"answer.sql <span style='color:#111;'> 1.90KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}]