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所在平台: Udemy |
课程主页: https://www.udemy.com/course/1z0-084-19c/
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本课程“1Z0-084: Oracle 19c 数据库性能管理与调优”旨在帮助您为 1Z0-084 认证考试做好准备，成为一名 Oracle 数据库 19c 性能管理与调优的 Oracle 认证专家 (OCP)。 **课程核心内容：** * **理解 Oracle 数据库架构：** 深入理解数据库的内部工作原理，是进行性能优化的基础。 * **掌握性能调优方法论和诊断工具：** * 学习时间模型、等待事件等关键概念。 * 熟练使用 V$ 视图进行问题诊断。 * 掌握 Statspack 的安装、配置和使用，以诊断性能问题。 * 利用 Alert Log 和 Trace 文件进行性能监控。 * **使用 AWR 和相关工具进行性能分析：** * 配置和使用 AWR (Automatic Workload Repository) 度量、告警和基线。 * 利用 ADDM (Automatic Database Diagnostic Monitor) 和 ASH (Active Session History) 报告进行性能诊断。 * 了解自动化维护任务。 * **数据库应用监控与调优：** * 实现实时监控，并利用服务管理应用程序性能。 * 识别和诊断性能瓶颈 SQL 语句，理解 SQL 处理过程、解析执行计划和监控低效 SQL。 * **优化器与 SQL 调优：** * 理解并配置参数，以及统计信息对优化器的影响。 * 通过管理段、索引和空间问题来降低 SQL 操作成本。 * 掌握 Real Application Testing 中的 SQL Performance Analyzer 和 Database Replay。 * 学习管理优化器统计信息和使用调优顾问。 * **内存组件调优：** * 优化 Shared Pool、Buffer Cache、PGA。 * 配置 Automatic Memory Management。 * **In-Memory 特性：** * 配置 In-Memory Column Store 以提升 SQL 性能，并与其他特性集成。 **学习建议：** 课程强调理解概念、方法论和实际操作。建议结合官方 Oracle 文档、模拟考试和动手实践来巩固学习。考虑参加 Oracle 官方批准的培训，并向有经验的专业人士请教。
Prepare to pass exam: 1Z0-084 Become an Oracle Certified Professional, Oracle Database 19c: Performance Management and TuningThe Oracle Database 19c: Performance Management and Tuning OCP showcases expertise in analyzing, managing, and optimizing performance within Oracle Database environments. They proficiently employ tuning methodologies and tools to diagnose and enhance both instance and SQL performance. Additionally, they demonstrate deep understanding of Oracle Database architecture, adeptness in day-to-day administration tasks, familiarity with relevant advisors for inspecting different areas of the environment, and a strong grasp of SQL, including execution plans and statistics.Exam Topics:Basic Tuning Methods and Diagnostics: Understand performance tuning methodologies, time model, wait events, and diagnose issues using V$ views.Statspack Usage: Install and configure Statspack for performance problem diagnosis.Log and Trace Files: Utilize Alert Log and Trace files for performance monitoring.Metrics, Alerts, and Baselines: Monitor performance using thresholds, alerts, and AWR baselines.AWR-Based Tools: Use ADDM and ASH reports for performance diagnosis, along with Automated Maintenance Tasks.Database Application Monitoring: Implement real-time monitoring and use services for application performance.Identifying Problem SQL Statements: Understand SQL processing phases, interpret execution plans, and monitor poorly performing SQL.Optimizer Influence: Configure parameters and understand the impact of statistics on the optimizer.SQL Operations Cost Reduction: Manage segments, indexes, and space-related issues.Real Application Testing: Utilize SQL Performance Analyzer and Database Replay for testing.SQL Performance Management: Manage optimizer statistics and use advisors for SQL tuning.Memory Component Tuning: Optimize Shared Pool, Buffer Cache, PGA, and configure Automatic Memory Management.In-Memory Features: Configure in-memory column store to enhance SQL performance and integrate with other features.Focus on understanding concepts, methodologies, and practical implementation with Oracle Database 19c. Use official Oracle documentation, practice exams, and hands-on experience for reinforcement. Consider Oracle-approved training and seeking advice from experienced professionals.
