SV_STUDENTHOMEWORK CODE, STUDENT_ID, STUDENT_NAME, HOMEWORK_ID, HOMEWORK_NAME, SUBJECT_ID, CLASS_ID, TEACHER_ID, TEACHER_NAME, SCORE, CREATE_DATE, STUDENTHOMEWORK_ID #{CODE}, #{STUDENT_ID}, #{STUDENT_NAME}, #{HOMEWORK_ID}, #{HOMEWORK_NAME}, #{SUBJECT_ID}, #{CLASS_ID}, #{TEACHER_ID}, #{TEACHER_NAME}, #{SCORE}, #{CREATE_DATE}, #{STUDENTHOMEWORK_ID} insert into ( ) values ( ) delete from where STUDENTHOMEWORK_ID = #{STUDENTHOMEWORK_ID} update set CODE = #{CODE}, STUDENT_ID = #{STUDENT_ID}, STUDENT_NAME = #{STUDENT_NAME}, HOMEWORK_ID = #{HOMEWORK_ID}, HOMEWORK_NAME = #{HOMEWORK_NAME}, SUBJECT_ID = #{SUBJECT_ID}, CLASS_ID = #{CLASS_ID}, TEACHER_ID = #{TEACHER_ID}, TEACHER_NAME = #{TEACHER_NAME}, SCORE = #{SCORE}, CREATE_DATE = #{CREATE_DATE}, STUDENTHOMEWORK_ID = STUDENTHOMEWORK_ID where STUDENTHOMEWORK_ID = #{STUDENTHOMEWORK_ID} select from where STUDENTHOMEWORK_ID = #{STUDENTHOMEWORK_ID} select from where 1=1 and ( ) select from delete from where STUDENTHOMEWORK_ID in #{item}