insert into vocabulary_bank id, word, `definition`, pronunciation, unit_id, pos, #{id,jdbcType=INTEGER}, #{word,jdbcType=VARCHAR}, #{definition,jdbcType=VARCHAR}, #{pronunciation,jdbcType=VARCHAR}, #{unitId,jdbcType=INTEGER}, #{pos,jdbcType=VARCHAR}, select * from vocabulary_bank where unit_id = #{unitId} limit #{wordCount} select * from vocabulary_bank where id in #{id} select id from vocabulary_bank select * from vocabulary_bank where unit_id = #{unitId} select * from vocabulary_bank vb inner join grade_unit gu on vb.unit_id = gu.unit_id inner join word_mastery_log wml on vb.id = wml.word_id where gu.grade_id = #{gradeId} and wml.student_id = #{studentId} and vb.id not in ( #{id} ) limit #{wordCount} select count(*) from vocabulary_bank