此数据库测验是提高您的数据库知识的最佳方法
This Database app has been developed for testing your skills of Database. This app has more than 10,000 multiple choice questions and answers. This Database quiz app suits for all lower, intermediate and higher levels. The questions at all levels will be displayed randomly. The user can improve Database knowledge and user can score well in high school, college and competitive level examinations. This is a free version and you can be used in both offline and online.