Data Mining Concepts and Techniques (3rd Edition) Review

《数据挖掘概念与技术》（第二版）是数据科学领域的一部权威著作，由Jiawei Han和Micheline Kamber合著，全面介绍了数据挖掘的基础理论、核心技术和实际应用。 数据挖掘概述 1.1 数据挖掘的重要性 数据挖掘是从大量的、不完全的、有噪声的、模糊的、随机的实际应用数据中提取隐含的信息和知识的过程。它有助于揭示数据背后的趋势和模式，支持企业决策、推动科学研究、改善公共服务等。 1.2 数据挖掘的概念 数据挖掘涵盖多个阶段，包括数据清洗、数据集成、数据转换、数据规约、数据挖掘算法、模式评估和知识表示。其目标是从数据中自动检测模式并转化为可理解的知识。 1.3 数据挖掘的对象 数据挖掘可在多种类型的数据上进行，如关系数据库、数据仓库、事务数据库、以及高级数据库系统（如空间数据库、时序数据库等）。 1.4 数据挖掘的功能 数据挖掘可用于发现各种类型的模式，如概念/类描述、关联分析、分类与预测、聚类分析、局外者分析、演变分析等。 1.5 模式的评价 模式的评价涉及兴趣度量，如支持度、置信度、新颖性和实用性等。 数据仓库与OLAP技术 2.1 数据仓库的作用 数据仓库是用于支持数据分析的大型数据库，从多个来源收集并整合数据，以满足复杂的分析需求。

Download the original English version of High Performance MySQL, focusing on MySQL database optimization and high performance.

This seminal work by Jiawei Han and Micheline Kamber offers a comprehensive exploration of data mining principles and practices. The authors delve into the intricacies of extracting meaningful patterns and insights from large datasets, providing readers with a robust understanding of this rapidly evolving field.

This revised edition of the LATEX document preparation guide provides comprehensive coverage of the latest LATEX releases, including advancements in web and PC-based developments. It offers a thorough understanding of both fundamental and advanced LATEX concepts, providing numerous practical examples and troubleshooting tips. Additionally, it explores the latest LATEX extensions and enhancements, ensuring that readers are up-to-date with the current state of LATEX technology. The book delves into the LATEX macro package for TEX text formatting, providing a comprehensive guide for beginners while also addressing specialized features for advanced users. LATEX files consist of ASCII text containing the document's content and markup commands, enabling portability across computer systems. LATEX/TEX processes these files to generate high-quality typeset results, particularly in complex mathematical contexts. LATEX offers a comprehensive suite of features, including automatic section formatting, numbering, and referencing, making it a powerful tool for document creation.

本新版本将大量知识精炼成易读的内容，涵盖了Oracle的全部特性和技术。书中包括Oracle 10g的概述，以及最近的版本9i和8i。《Oracle Essentials 3rd Edition: Oracle Database 10g》为您提供了安装和运行Oracle数据库所需的一切信息。无论您是Oracle的新手还是在升级到Oracle 10g，您都会发现这本全面指南至关重要。

Overview of Database System Fundamentals 1. Introduction In the first chapter of the Database System Fundamentals (3rd Edition), the author introduces the basic concepts, components, and importance of database systems. This chapter provides a comprehensive framework for understanding database systems in an accessible manner. 2. Overview of Database Systems A database system is an organized structure for storing, managing, and retrieving data. It consists of hardware, software, and users. This section first defines database systems and elaborates on its key components: Hardware: Includes computer servers and other storage devices. Software: Includes the Database Management System (DBMS), applications, and operating systems. Users: These can be database administrators (DBA), application developers, or end users. 3. Functions and Features of Database Systems This section discusses the primary functions and features of a database system, including but not limited to: Data Storage: Efficient storage of large volumes of data. Data Management: Effective management and maintenance of data. Data Access: Support for multi-user concurrent access. Data Security: Ensures data security and privacy. Data Integrity: Maintains consistency and accuracy of data. Data Sharing: Allows multiple users to share the same data. 4. Database Design Process The chapter outlines the database design process, which is crucial for building effective database systems. The design process generally involves the following stages: Requirements Analysis: Define the purpose and user needs for the database. Conceptual Design: Use tools like the Entity-Relationship (ER) model to design the conceptual model. Logical Design: Transform the conceptual model into a data model supported by a specific DBMS. Physical Design: Select appropriate storage structures and access methods. Implementation and Testing: Implement the database and test it to ensure it meets the design requirements. 5. Relational Database Theory This section delves into relational database theory, a foundational element of modern database systems. Key topics include: Relational Model: Defines fundamental concepts like tables, rows, and columns in relational databases. Normalization: Introduces a set of rules to reduce data redundancy and improve consistency. SQL Language: Provides a detailed explanation of SQL (Structured Query Language), the standard query language for relational databases. 6. Database Security and Integrity Security and integrity are critical aspects of database systems. This chapter discusses the following key themes: Security Mechanisms: Discusses various security measures, such as authentication and access control.

《High Performance MySQL（第三版）》是一本mysql优化的权威书籍，深入探讨了高效数据库管理与性能优化的实践方法。书中详细介绍了如何通过调优查询、配置参数、索引优化等手段，显著提升mysql性能。对于初学者来说，本书是了解mysql性能优化的入门指南，而对于高级开发者，它同样提供了深入的参考，帮助解决复杂的性能瓶颈问题。

ORACLE10g-OCP Official Textbook II (3rd Edition)

数据挖掘——概念、模型、方法和算法。PDF版本，国外经典教材，清华大学出版社出版。