Thank you for sending your enquiry! One of our team members will contact you shortly.
Thank you for sending your booking! One of our team members will contact you shortly.
Course Outline
Application Tuning Methodology
Database and Instance Architecture
- Server processes
- Memory structures (SGA, PGA)
- Cursor parsing and sharing
- Data files, log files, and parameter files
Analysis of Execution Plans
- Estimated execution plans (EXPLAIN PLAN, SQL*Plus AutoTrace)
- Actual execution plans (V$SQL_PLAN, AWR)
Monitoring Performance and Identifying Bottlenecks
- Monitoring current instance status via dynamic performance views (system dictionaries)
- Monitoring historical data dictionaries
- Application tracing (SQLTrace, TkProf)
Optimization Process
- Characteristics of cost-based optimization
- Guidelines for optimization strategies
Controlling the Cost-Based Optimizer
- Session and instance parameters
- Hinting (hints)
- Outline files for query plans
Statistics and Histograms
- Impact of statistics and histograms on performance
- Methods for collecting statistics and histograms
- Strategies for analyzing and estimating statistics
- Statistics management: locking, copying, modifying, automated collection, and change monitoring
- Dynamic sampling (temporary tables, complex predicates)
- Multi-column statistics based on expressions
- System statistics
Logical and Physical Database Structure
- Tablespaces
- Segments
- Extents
- Blocks
Data Storage Methods
- Physical aspects of tables
- Temporary tables
- Index-organized tables
- External tables
- Partitioned tables (range, list, hash, and composite)
- Physical table reorganization
Materialized Views and Query Rewrite Mechanisms
Data Indexing Methods
- Building B-tree indexes
- Index properties
- Index types: unique, composite, function-based, reverse
- Compressed indexes
- Rebuilding and coalescing indexes
- Virtual indexes
- Clustered and non-clustered indexes
- Bitmap indexes and bitmap joins
Case Study - Full Table Scans
- Impact of block placement and multi-block read performance at the table level
- Conventional load vs. direct path load
- Predicate ordering
Case Study - Index-Based Access
- Index access methods (UNIQUE SCAN, RANGE SCAN, FULL SCAN, FAST FULL SCAN, MIN/MAX SCAN)
- Utilizing functional indexes
- Index selectivity (Clustering Factor)
- Composite indexes and index skip scans
- Handling NULL values in indexes
- Index Organized Tables (IOT)
- Impact of indexes on DML operations
Case Study - Sorting Operations
- In-memory sorting
- Sorting via indexes
- Linguistic sorting
- Impact of data distribution on sorting efficiency (Clustering Factor)
Case Study - Joins and Subqueries
- Join methods: MERGE, HASH, NESTED LOOP
- Joins in OLTP and OLAP systems
- Join order determination
- Outer joins
- Anti-joins
- Semi-joins
- Simple subqueries
- Correlated subqueries
- Views and WITH clauses (CTEs)
Other Cost-Based Optimizer Operations
- Buffer Sort
- IN-LIST Iterators
- VIEW operations
- Filter operations
- Count Stop Key
- Result Cache
Distributed Queries
- Reading query plans involving database links
- Selecting the driving instance
Parallel Processing
Requirements
- Proficient understanding of SQL basics and familiarity with the Oracle database environment (completing the 'Native SQL for Programmers - Workshops' course for Oracle 11g is preferred)
- Practical work experience with Oracle
28 Hours
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 6400 € + VAT*
Contact us for an exact quote and to hear our latest promotions
Testimonials (2)
1. I liked the trainer's style of presenting and the patience to explain. 2. I liked that the trainer answered our side questions, even the ones that took the discussion a bit farther from the presentation, which showed flexibility. 3. I liked that there was a practical lab, not just a theoretical part. 4. I liked that it was online.
Roxana - DB Global Technology
Course - Oracle 11g - Application Tuning - Workshop
Trainer expertise on SQL tuning
