Bridging British Education Virtual Academy

1. Course Basic Information 1. 课程基本信息

Course Name: CS Henry 课程名称： 计算机科学亨利课

Topic: Database Management Systems (DBMS) Theory and LeetCode Problem Solving 主题： 数据库管理系统（DBMS）理论与 LeetCode 问题解决

Date: January 18th 日期： 1月18日

Student: Henry 学生： Henry

Teaching Focus 教学重点

Reviewing DBMS concepts, focusing on structured exam answering techniques for long-answer questions, and solving an Ugly Number LeetCode problem.

复习 DBMS 概念，重点关注针对长答案题目的结构化考试答题技巧，并解决一个丑数（Ugly Number）的 LeetCode 问题。

Teaching Objectives 教学目标

Review the key advantages of using a database over simple file storage. 复习使用数据库相对于简单文件存储的关键优势。
Practice answering high-point theory questions in a formal, structured examination format. 练习以正式的、结构化的考试格式回答高分值的理论问题。
Solve the LeetCode 'Ugly Number' problem, focusing on the implementation of prime factorization logic. 解决 LeetCode '丑数' 问题，重点关注质因数分解逻辑的实现。
Introduce and briefly cover core DBMS concepts (Data Modeling, Logical Schema, Data Integrity, Security). 介绍并简要涵盖核心 DBMS 概念（数据建模、逻辑模式、数据完整性、安全）。

2. Course Content Overview 2. 课程内容概览

Main Teaching Activities and Time Allocation 主要教学活动和时间分配

General Check-in & Time Adjustment: Discussed the upcoming month (February) and agreed to postpone the 10-minute bonus time to the next session.

常规问候与时间调整： 讨论了接下来的月份（二月）安排，并同意将原定的 10 分钟额外时间推迟到下节课。

DBMS Advantages & Exam Technique Practice: Reviewed the advantages of databases (access time, organization, linking). Student attempted a 5-point exam question on 'Why use a database?' The teacher provided detailed feedback on structuring answers for maximum points.

DBMS 优势回顾与考试技巧练习： 回顾了数据库的优势（访问时间、组织性、数据链接）。学生尝试回答了关于“为什么要使用数据库”的 5 分值考试题。教师提供了关于如何构建答案以获得最高分数的详细反馈。

Advanced DBMS Terminology Introduction: Introduced and explained key DBMS terms: DBMS acronym, Data Modeling, Logical Schema (including primary/foreign keys), Data Integrity, and Data Security (including backups).

高级 DBMS 术语介绍： 介绍并解释了关键的 DBMS 术语：DBMS 缩写、数据建模、逻辑模式（包括主键/外键）、数据完整性和数据安全性（包括备份）。

LeetCode Practice: Ugly Number (263): Student quickly solved the 'Ugly Number' problem, demonstrating strong logical intuition for prime factorization via division loops.

LeetCode 练习：丑数 (263)： 学生快速解决了“丑数”问题，展示了通过除法循环进行质因数分解的强大逻辑直觉。

LeetCode Practice: Reverse Vowels of a String: Discussed the approach for 'Reverse Vowels of a String', focusing on using stacks/queues or a two-pointer approach and handling character casing.

LeetCode 练习：反转字符串中的元音： 讨论了“反转字符串中的元音”的解题思路，重点是使用栈/队列或双指针方法以及处理字符大小写。

Language Knowledge and Skills 语言知识与技能

Vocabulary:
DBMS, database, boolean algebra, logic gates, access time, IO (Input/Output), simultaneously, data repetition, data modeling, logical schema, foreign key (FK), primary key (PK), data integrity, data security, backups, ugly number, prime factors, vector.

词汇：
DBMS（数据库管理系统）, 数据库, 布尔代数, 逻辑门, 访问时间, IO（输入输出）, 同时地, 数据重复, 数据建模, 逻辑模式, 外键 (FK), 主键 (PK), 数据完整性, 数据安全性, 备份, 丑数, 质因数, 向量 (C++数据结构)。

Concepts:
Database vs. File Storage Efficiency, Structured Examination Answering Strategy, Core DBMS Functions (Modeling, Schema, Integrity, Security), Prime Factorization Algorithm (Ugly Number).

概念：
数据库与文件存储效率对比, 结构化考试答题策略, 核心 DBMS 功能（建模、模式、完整性、安全）, 质因数分解算法（丑数）。

Skills Practiced:
Theoretical recall and structured explanation (DBMS), algorithmic problem-solving (LeetCode), strategic writing for exams.

练习技能：
理论回顾与结构化解释（DBMS）, 算法问题解决（LeetCode）, 针对考试的策略性书写。

Teaching Resources and Materials 教学资源与材料

On-screen whiteboard for writing exam answer examples. 屏幕白板，用于书写考试答案示例。
LeetCode Platform (Problem 263: Ugly Number and Problem 345: Reverse Vowels of a String). LeetCode 平台（问题 263：丑数和问题 345：反转字符串中的元音）。

3. Student Performance Assessment (Henry) 3. 学生表现评估 (Henry)

Participation and Activeness 参与度和积极性

High engagement throughout the session, actively participating in defining complex terms like data integrity and discussing LeetCode approaches. 在整个课程中参与度很高，积极参与定义数据完整性等复杂术语以及讨论 LeetCode 方法。

Language Comprehension and Mastery 语言理解和掌握

Strong comprehension of foundational DBMS concepts. Showed excellent ability to apply abstract concepts to the concrete exam question format. 对基础 DBMS 概念有很强的理解力。在将抽象概念应用于具体的考试问题格式时表现出色。

Language Output Ability 语言输出能力

Oral: 口语：

Fluent and articulate, though occasionally hesitated on spelling complex terms (e.g., 'simultaneously'). 流利且善于表达，尽管在拼写复杂术语时偶尔会犹豫（例如 'simultaneously'）。

Written: 书面：

The student's written answer to the 5-point question showed all correct content but lacked the required structure and precision for maximizing exam marks. Teacher provided significant scaffolding here.

学生对 5 分题目的书面回答展示了所有正确的内容，但缺乏最大化考试分数的必要结构和精确性。教师在此处提供了大量的指导。

Student's Strengths 学生的优势

Exceptional problem-solving skills in competitive programming (LeetCode), solving 'Ugly Number' very quickly. 在算法竞赛编程（LeetCode）方面有出色的问题解决能力，非常迅速地解决了“丑数”问题。
Strong logical thinking underpinning the coding solutions. 支撑其代码解决方案的强大逻辑思维能力。
Good grasp of the conceptual difference between data storage systems (database vs. file). 对数据存储系统（数据库与文件）的概念差异有很好的掌握。

Areas for Improvement 需要改进的方面

Structuring long-form answers for formal exams: ensuring clarity, avoiding jargon misuse (like 'file type' for database), and logical flow to explicitly guide the marker. 为正式考试构建长篇答案的结构：确保清晰度，避免术语误用（如将数据库称为 'file type'），以及建立逻辑流程以明确引导评分者。
Consistency in precise technical vocabulary when answering theoretical questions. 回答理论问题时，在精确的技术词汇使用上需要保持一致性。

4. Teaching Reflection 4. 教学反思

Effectiveness of Teaching Methods 教学方法的有效性

The methodology of grading the student's written answer harshly against exam criteria proved highly effective in illustrating the need for structural communication. 根据考试标准对学生的书面答案进行严格评分的方法，在说明结构化沟通必要性方面非常有效。
The pace was very fast in the second half due to the student's quick grasp of LeetCode problems. 由于学生对 LeetCode 问题的快速掌握，下半节课的节奏非常快。

Teaching Pace and Time Management 教学节奏和时间管理

The pace shifted from deep theoretical review/writing practice to rapid problem-solving as the student demonstrated mastery of the immediate topics. 随着学生展现出对即时主题的掌握，课程节奏从深入的理论复习/写作练习迅速转向快速的问题解决。

Classroom Interaction and Atmosphere 课堂互动和氛围

Engaging, challenging, and constructive, especially during the detailed breakdown of exam answering techniques.

引人入胜、富有挑战性且建设性强，特别是在详细分析考试答题技巧时。

Achievement of Teaching Objectives 教学目标的达成

Objectives related to theory review and high-level concept introduction were met. Objective related to structured answering was initiated with significant feedback provided. 与理论复习和高层次概念介绍相关的目标已达成。关于结构化答题的目标已开始，并提供了大量反馈。

5. Subsequent Teaching Suggestions 5. 后续教学建议

Teaching Strengths 教学优势

Identified Strengths: 识别的优势：

Expertise in breaking down complex exam marking schemes to show students *how* to earn points, not just *what* the answer is. 擅长分解复杂的考试评分标准，向学生展示*如何*得分，而不仅仅是*答案是什么*。
Ability to quickly pivot to high-level coding practice when theoretical concepts were quickly mastered. 当学生迅速掌握理论概念时，能够快速转向高水平的编程练习。

Effective Methods: 有效方法：

Using the student's own exam response and rewriting it step-by-step to model desired structure. 使用学生自己的考试回复，并一步一步地重写，以示范期望的结构。
Connecting abstract definitions (like integrity) to real-world/English definitions to aid recall. 将抽象定义（如完整性）与现实世界/英语定义联系起来，以帮助记忆。

Positive Feedback: 正面反馈：

The student’s performance on the 'Ugly Number' LeetCode problem was outstanding and highly commendable. 学生在“丑数”LeetCode 问题上的表现非常出色，值得高度赞扬。

Next Teaching Focus 下一步教学重点

Dedicated practice session focused exclusively on long-form, high-value theory questions to solidify exam communication skills. 专门用于高价值长篇理论题的练习课程，以巩固考试沟通技巧。
Continue advanced LeetCode problems, possibly focusing on SQL problems if they align with upcoming theory. 继续解决高级 LeetCode 问题，如果与即将到来的理论内容相关，可以关注 SQL 问题。

Specific Suggestions for Student's Needs 针对学生需求的具体建议

Exam Technique & Writing: 考试技巧与写作：

For 5-point questions, adopt a strategy: start with a concise definition, logically link supporting points (A leads to B leads to C), and conclude with a specific example if applicable, ensuring full sentences are used. 对于 5 分题目，采用策略：以简洁的定义开始，逻辑地连接支持点（A 导致 B 导致 C），并在适当时以具体示例作结，确保使用完整的句子。
When describing database concepts, strictly avoid using the term 'file type' and instead use 'storage system' or 'data structure'. 在描述数据库概念时，严格避免使用“文件类型”一词，而应使用“存储系统”或“数据结构”。

Programming (C++/Data Structures): 编程（C++/数据结构）：

Continue practicing variable-sized data structures in C++ (like vectors/dynamic arrays) to handle inputs of unknown or large compile-time sizes efficiently. 继续练习 C++ 中的可变大小数据结构（如向量/动态数组），以有效处理编译时大小未知或较大的输入。

Recommended Supplementary Learning Resources or Homework 推荐的补充学习资源或家庭作业

Review notes on DBMS: Data Integrity and Logical Schema definitions. 复习 DBMS 笔记：数据完整性和逻辑模式的定义。
Attempt to write out formal, structured answers (like the teacher modeled) for 2-3 additional theory questions related to databases or logic gates. 尝试写出 2-3 个关于数据库或逻辑门的额外理论题的正式、结构化的答案（模仿老师的范例）。