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-- 有表结构如下
create table STUDENT
(
sno INTEGER,
sname VARCHAR2(100),
sage INTEGER
);
-- 插入数据
insert into student (SNO, SNAME, SAGE) values (19, 'Bob', 39);
insert into student (SNO, SNAME, SAGE) values (15, 'Bob', 35);
insert into student (SNO, SNAME, SAGE) values (3, 'Bob', 23);
insert into student (SNO, SNAME, SAGE) values (11, 'Bob', 31);
insert into student (SNO, SNAME, SAGE) values (7, 'Bob', 27);
insert into student (SNO, SNAME, SAGE) values (6, 'Kite', 26);
insert into student (SNO, SNAME, SAGE) values (2, 'Kite', 22);
insert into student (SNO, SNAME, SAGE) values (18, 'Kite', 38);
insert into student (SNO, SNAME, SAGE) values (14, 'Kite', 34);
insert into student (SNO, SNAME, SAGE) values (10, 'Kite', 30);
insert into student (SNO, SNAME, SAGE) values (4, 'Mike', 24);
insert into student (SNO, SNAME, SAGE) values (12, 'Mike', 32);
insert into student (SNO, SNAME, SAGE) values (16, 'Mike', 36);
insert into student (SNO, SNAME, SAGE) values (8, 'Mike', 28);
insert into student (SNO, SNAME, SAGE) values (20, 'Mike', 40);
insert into student (SNO, SNAME, SAGE) values (5, 'T&%T', 25);
insert into student (SNO, SNAME, SAGE) values (17, 'T&%T', 37);
insert into student (SNO, SNAME, SAGE) values (9, 'T&%T', 29);
insert into student (SNO, SNAME, SAGE) values (21, 'T&%T', 41);
insert into student (SNO, SNAME, SAGE) values (1, 'T&%T', 21);
insert into student (SNO, SNAME, SAGE) values (13, 'T&%T', 33);