数据建模概念教学效果的检验
An Examination of the Effectiveness of Teaching Data Modelling Concepts
摘要：
数据建模概念的有效教学非常重要;它构成了数据库规划方法的基础，并在数据库管理语言（通常是SQL）的帮助下处理数据库。我们研究了三种方法。两门课程的学生通过解决测试来准备考试，而第三门课程的学生通过解决打印练习本上的任务来准备考试。第二个课程的任务数量是第一个课程的任务数量的2.5倍。我们考试的主要目的是确定数据建模概念教学的有效性，并确定三门课程的结果之间是否存在显着差异。经检验，随着测试任务的增加和练习本的使用，成绩有明显的提高。
英文摘要：
The effective teaching of data modelling concepts is very important; it constitutes the fundament of database planning methods and the handling of databases with the help of database management lan-guages, typically SQL. We examined three courses. The students of two courses prepared for the exam by solving tests, while the students of the third course prepared by solving tasks from a printed exercise book. The number of task for the second course was 2.5 times more than the number of task for the first course. The main purpose of our examination was to determine the effectiveness of the teaching of data modelling concepts, and to decide if there is a significant difference between the results of the three courses. According to our examination, with increasing the number of test tasks and with the use of exercise book, the results became significantly better.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
