SV_STUDENTTEST STUDENT_ID, TEST_ID, PAPER_ID, SCORE, CLASS_ID, STUDENTTEST_ID #{STUDENT_ID}, #{TEST_ID}, #{PAPER_ID}, #{SCORE}, #{CLASS_ID}, #{STUDENTTEST_ID} insert into ( ) values ( ) delete from where STUDENTTEST_ID = #{STUDENTTEST_ID} update set STUDENT_ID = #{STUDENT_ID}, TEST_ID = #{TEST_ID}, PAPER_ID = #{PAPER_ID}, SCORE = #{SCORE}, CLASS_ID = #{CLASS_ID}, STUDENTTEST_ID = STUDENTTEST_ID where STUDENTTEST_ID = #{STUDENTTEST_ID} select from where STUDENTTEST_ID = #{STUDENTTEST_ID} select from where 1=1 and ( ) select from where 1= 1 and (TEST_ID = #{TEST_ID}) and (PAPER_ID = #{PAPER_ID}) and (CLASS_ID = #{CLASS_ID}) and (STUDENT_ID = #{STUDENT_ID}) delete from where STUDENTTEST_ID in #{item}