Oracle 19c Database Tuning

Course Objectives

This course combines expert lecture, real-world demonstrations and group discussions with machine-based practical labs and exercises.  Working in a hands-on learning environment led by our expert facilitator, you’ll explore:

• The Oracle Database Architecture
• Query Optimizer
• Tuning Container Databases and Pluggable Databases
• Oracle 19c Tuning features
• Evaluating Execution Plans
• Oracle Tuning Tools
• Using Automatic Workload Repository
• Join Types
• AWR Using Baselines
• Additional AWR performance tools
• Optimizer Statistics
• Monitoring a Service
• Bind Variables and database parameters
• Oracle's Real Application Testing (RAT)
• SQL Tuning Advisor
• Automatic Sql Tuning
• Sql Plan Management
• Shared Pool Tuning
• Tuning the database buffer cache
• Tuning the PGA (Program Global Area)
• Automatic Memory Management (AMM)
• Tuning Segment Space Utilization (ASSM)
• Automatic Storage Management

Course Prerequisites

This hands-on course is geared for experienced DBAs already working with Oracle. Incoming students should possess:

• Knowledge of SQL programming basics
• Knowledge of Oracle Database 18c or newer
• Linux skills, including familiarity with command-line options such as ls, cd, cp, and su

Course Agenda

Please note that this list of topics is based on our standard course offering, evolved from typical industry uses and trends. We’ll work with you to tune this course and level of coverage to target the skills you need most.

1. Overview Oracle Database Architecture

• Instance Definition
• Define SGA
• Define Background Processes
• Datafile Definition

2. Query Optimizer

• SQL Parsing
• Optimizing Terms
• Optimizing Methods
• Query Plan Generation
• Query Plan Control

3. Tuning Container Databases and Pluggable Databases

• Pluggable tuning parameters
• Define Container tuning structure
• Using PDB$SEED
• Create a new PDB
• Plug and unplug a PDB

4. Oracle 12c Tuning features

• Identifying and Using Oracle's Heat Map
• 12c Compression Levels and Types

5. Evaluating Execution Plans

• Defining SQL execution plans
• Automatic Workload Repository
• Reading execution plans

6. Oracle Tuning Tools

• Monitoring tools overview
• Enterprise Manager
• Dynamic Performance Views
• Automatic Workload Repository
• Automatic Database Diagnostic Monitor
• Sql Tuning Advisor
• SQL Access Advisor
• Sql Access Advisor
• DB operation Tuning
• DB operation Active Reporting

7. Using Automatic Workload Repository

• Defining AWR
• AWR Settings
• Creating AWR Baselines

8. Metrics, Alerts, and Thresholds

• Defining Metrics
• Setting Alerts
• Setting Corrective Actions
• User Defined Metrics
• Metric Dynamic Views

9. Join Types

• Nested Loops Join
• Sort Merge join
• Hash Join and Cartesian Join
• Equijoins and Nonequijoins
• Outer Joins
• Semijoins

10. AWR Using Baselines

• Creating AWR baselines
• Creating AWR Repeating baselines
• Moving Window Baseline

11. Additional AWR performance tools

• Automatic Maintenance Tasks
• Segment Advisor
• Statistics Gathering
• Automatic Tuning Optimizer
• Automatic Database Diagnostic Monitor
• Active Session History (ASH)

12. Optimizer Statistics

• Optimizer Statistics Overview
• Table and Index Statistics
• Statistic Preferences
• Statistics Gathering
• e) Locking Statistics, Export/Import Statistics
• Pending and published statistics
• Optimizer Hints
• Optimizer Paths
• Cost Base Optimization

13. Monitoring a Service

• Overview of what is an Oracle Service
• Creating an Oracle Service for Single instance and RAC
• Monitoring a Service
• Resource Management and a Service
• Enterprise Manager and a Service

14. Bind Variables and database parameters

• Bind variable definition
• Cursor_sharing parameter
• Adaptive Cursor Sharing

15. Oracle's Real Application Testing (RAT)

• Sql Performance Analyzer overview
• Sql Performance Analyzer Options
• Database Parameter changes
• Database version changes
• Creating SQL Tuning Sets
• Database Replay Overview
• Database Replay Configuration
• Database Replay Options

16. SQL Tuning Advisor

• SQL Tuning Advisor: Overview
• SQL Tuning Advisor Limited Mode
• Sql Tuning Advisor Comprehensive mode
• Sql Tuning Profiles

17. SQL Access Advisor

• SQL Access Advisor: Overview
• Sql Access Advisor options
• SQL Access Advisor and Sql Tuning Sets
• Sql Access Advisor and AWR
• Results and Implementation

18. Automatic Sql Tuning

• Automatic Sql Tuning Maintenance Task
• Automatic Tuning Optimization implementation(ATO)
• Automatic Tuning Optimization Results
• Enable/Disable Automatic Tuning Optimization

19. Sql Plan Management

• Sql plan Management and baseline overview
• Enable sql plan management
• Loading Sql Plan baselines into the SGA
• Adaptive plan management

20. Shared Pool Tuning

• Shared pool architecture
• Shared pool parameters
• Library Cache
• Dictionary cache
• Large pool considerations and contents

21. Tuning the database buffer cache

• Database buffer cache overview
• Database buffer cache parameters
• Oracle and Dirty reads and writes
• Automatic Shared Memory Management (ASMM)
• Buffer Cache goals and responsibility
• Buffer Cache pools

22. Tuning the PGA (Program Global Area)

• PGA Overview
• PGA Database Parameters
• Temporary Segments
• Temporary Tablespace
• Sizing the PGA

23. Automatic Memory Management (AMM)

• Oracle's Automatic Memory Management Overview
• Database Auto-tuned Parameters
• Database Non Auto-tuned Parameters
• Automatic Memory Management Hints and Sizing suggestions
• AMM versus ASMM

24. Tuning Segment Space Utilization (ASSM)

• Overview of Automatic Segment Space Management
• Defining the DB_BLOCK_SIZE
• Defining DB_nk_CACHE_SIZE parameter
• The DB_BLOCK_SIZE Parameter
• Overview of table compression, block chaining, and block migration

25. Automatic Storage Management

• Overview of ASM
• Definition of Grid Infrastructure
• ASM Instance
• ASM Diskgroups
• ASM Diskgroup parameters and templates
• ASMCMD