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所在平台: Udemy |
课程主页: https://www.udemy.com/course/oracle-performance-tuning-enqueue-wait-events-simulated-1/
课程评论：没有评论
Coursera 课程总结：Oracle 性能调优 - 模拟与解决锁等待事件 本课程专注于 Oracle 数据库性能调优，特别是针对关键的锁等待事件，通过模拟实际场景来帮助学员掌握识别、分析和解决性能瓶颈的技能。 **课程亮点：** * **内存锁与 enqueue 的区别：** 深入理解 Oracle 锁定机制的基础，包括内存锁和 enqueues（锁），以及它们对数据库性能的影响。 * **模拟与解决等待事件：** * **enq: txn index contention：** 学习索引争用的原因，并掌握模拟和解决此等待事件的方法。 * **enq: txn row lock contention：** 了解行级锁问题，学习如何模拟和解决行锁冲突。 * **enq: txn allocate ITL entry：** 理解 ITL（Interested Transaction List）条目的作用，并学习模拟和解决 ITL 条目分配问题的技巧。 * **row cache locks due to Sequences：** 学习模拟和解决因序列（Sequences）使用引起的行缓存锁问题。 * **基于模拟的练习：** 通过交互式模拟，学员将获得实践经验，学习如何模拟上述关键等待事件，并使用 Oracle 诊断工具进行分析，最终运用最佳实践和技术来解决这些问题。 **课程收益：** * 获得模拟和解决关键锁等待事件的实践经验。 * 提升 Oracle 数据库性能和效率的实用技能。 * 学会识别和解决复杂的性能问题。 * 提供可下载的 Oracle 脚本和配置文件等资源。 **目标学员：** * Oracle 数据库管理员 * 性能调优专业人士 * 数据库开发人员和设计人员 * 对 Oracle 性能调优和优化感兴趣的学习者 本课程采用基于模拟的方法，旨在帮助学员建立解决关键锁等待事件的信心和能力，是 Oracle 性能调优领域不可多得的实战课程。
Unlock the Secrets of Oracle Performance Tuning: Simulating and Resolving Critical Wait EventsCourse Description:Join our comprehensive course to master the art of simulating and resolving critical wait events in Oracle databases. You'll gain hands-on experience with real-world scenarios, learning how to identify, analyze, and fix performance bottlenecks.Course Highlights:- Difference between Memory Locks and Enqueues: Understand the fundamentals of Oracle locking mechanisms, including memory locks and enqueues, and how they impact database performance.- Simulating and Resolving Wait Events: Learn how to simulate and resolve critical wait events, including: - enq: txn index contention: Understand the causes of index contention and learn how to simulate and resolve this wait event. - enq: txn row lock contention: Learn how to simulate and resolve row-level locking issues, including identifying and resolving conflicts. - enq: txn allocate ITL entry: Understand the role of ITL entries and learn how to simulate and resolve allocation issues. - row cache locks due to Sequences: Learn how to simulate and resolve row cache locking issues caused by sequence usage.Simulation-Based Exercises:Through interactive simulations, you'll gain practical experience with real-world scenarios, learning how to:- Simulate critical wait events, including enq: txn index contention, enq: txn row lock contention, enq: txn allocate ITL entry, and row cache locks due to sequences.- Analyze and identify the root cause of performance issues using Oracle diagnostic tools.- Resolve wait events using Oracle best practices and techniques.Course Benefits:- Gain hands-on experience with simulating and resolving critical wait events.- Develop practical skills to improve Oracle database performance and efficiency.- Learn how to identify and resolve complex performance issues.- Get downloadable resources, including Oracle scripts and configuration files.Who Should Take This Course:- Oracle database administrators- Performance tuning professionals- Database developers and designers- Anyone interested in learning about Oracle performance tuning and optimizationEnroll Now:Join our course today and take the first step towards mastering Oracle performance tuning. With our simulation-based approach, you'll gain practical experience and confidence in resolving critical wait events.Regards,Gautam
