Database Management: Tutorials
According to Bowling Green State University's web site, a good online tutorial should be: a) as simple as possible with regard to technology to accommodate slow Internet connections and older computers; b) direct and relevant to the student; c) interactive; d) monitored by requiring the completion of specific, measurable tasks; and comprehensive. The tutorial SQLCourse - Interactive Online SQL Training for Beginners receives mostly high marks across all these criteria, although it needs some improvement in monitoring student completion of exercises. The tutorial ran very quickly across a low-speed Internet connection (dial-up connection), indicating that most, if not all, students will not become frustrated by slow response times. Each page presented only a small amount of text, so navigating between pages was very fas
It should require the completion of SQL exercises before allowing the student to advance to another command. For students who cannot figure out how to successfully complete an exercise, the tutorial should offer the correct answers so that they student will know what they have missed in understanding the tutorial. However, there is room for improvement in the monitoring of the use of the SQL interpreter. The student simply types their SQL command into the SQL interpreter entry form. Therefore, the tutorial can improve monitoring in a number of ways. Examples are easy to understand because they use familiar data such as weather and employee info. Those students already familiar with SQL basics might want to skip to the second module which focuses on more advanced tools for selecting, aggregating, grouping, sorting and applying mathematical functions to data in tables as well as applying these techniques to multiple tables. And, the tutorial does not provide the correct answers to the exercises. Overall, the tutorial SQLCourse - Interactive Online SQL Training for Beginners is a great resource for users wanting to learn SQL basics even though the tutorial could improve its student monitoring. This is because the tutorial allows students to skip any exercise they do not wish to perform. The tutorial offers the student many exercises to demonstrate their knowledge of each SQL command selected. The student can choose the entry level module which explains what SQL is and how to use it to create a table, select data from a table, insert data into a table, update records, delete records and delete a table. The use of a SQL interpreter makes the tutorial highly interactive.
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