摘要：
create table STUDENT_SCORE( name VARCHAR2(20), subject VARCHAR2(20), score NUMBER(4,1));insert into student_score (NAME, SUBJECT, SCORE) values ('张三', 阅读全文
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摘要：
create table STUDENT_SCORE( name VARCHAR2(20), subject VARCHAR2(20), score NUMBER(4,1));insert into student_score (NAME, SUBJECT, SCORE) values ('张三', 阅读全文
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