فاعلية منهج مطور في الحاسب الاّلي لتنمية مهارات قواعد البيانات لدى طلاب التعليم الثانوي التجاري
This research aimed to investigates the effectiveness of an improved curriculum in computer to developing database skills among students of commercial secondary schools. To achieve this aim, the research was based on the descriptive and analytical approach, as well as the experimental approach. Research sample were consisting of two groups, one of which is experimental (20) student, and the other is control group (20) students. The research tools included an achievement test and observation card. The results showed that there are statistically significant differences between the mean scores of the experimental and control groups in the achievement and skills in favor of the experimental group due to the effectiveness of the improved curriculum. (Published abstract)