Oracle performance tuning online training
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The document outlines an online training program on Oracle performance tuning, covering numerous aspects such as CPU, RAM, and disk I/O optimization, as well as SQL tuning techniques. It includes advanced topics like tuning with temporary objects, materialized views, and parallel queries. The training is catered to various locations in India and offers project-level job support.
Oracle performance tuning online training
- 1. ORACLE PERFORMANCE TUNNING ONLINE TRAINING & JOB SUPPORT FROM , CHENNAI, HYDERABAD , BANGALORE TRIVANDRUM INDIA Online Training and Project level Job Support For all online training enquiries Contact - Anand (Freelance online Trainer) Contact / Cell No : +91-9500192218 WhatsApp No/Cell No : +91-9840916480 or E- Mail: zone.of.anand8@gmail.com ORACLE PERFORMANCE TUNNING 1 – 1: Introduction to Oracle tuning - The top-down approach to tuning - The history of Oracle tuning - A review of the Oracle architecture - The goals of Oracle tuning - Overview of SQL tuning - Oracle network bottlenecks
- 2. - Oracle RAM usage and bottlenecks - Oracle CPU usage and bottlenecks - Oracle disk I/O overview - Monitoring server (sat, vmstat, top, glance) - Movement toward server consolidation 1 – 2: Oracle disk I/O tuning - History of DASD - Understanding disk I/O - Monitoring disk I/O (AWR, dba_hist_filestatxs) - Sorted hash cluster tables - Disk I/O waits - Oracle data buffer internals (db_cache_size) - Caching data blocks in the PGA (parallel full-table scans) - Blocksize and I/O performance 1 – 3: Oracle CPU Tuning - Finding your cpu_count - Measuring CPU usage with vmstat - Oracle CPU usage - Using processor affinity - _optimizer_cost_model=cpu - Parallel query and CPU 1 – 4: Oracle RAM tuning - all_rows and first_rows optimization and RAM - Multiple data buffers - Multiple blocksizes - Measuring RAM paging - Oracle SGA RAM - Oracle PGA RAM - Using the KEEP pool - Automatic Memory Management (AMM) 1 – 5: Oracle Instance Tuning - Global tuning techniques - Display possible unnecessary large-table full-table scans - Library cache tuning
- 3. - Finding missing indexes - Tuning the database writer - instance parameter tuning 1 – 6: Oracle SQL Tuning Introduction - SQL tuning hierarchy - SQL tuning goals - optimizer modes - query re-write - cursor_sharing - viewing execution plans (autotrace) - verifying optimal join techniques - parallelizing SQL execution - dynamic statistics - Exercise – count times when a table is invoked - 12c new SQL features - function-based virtual column - adaptive execution plans - 12c new optimizer metadata collection features 2 – 1: AWR and ASH - AWR vs STATSPACK - Reading an AWR report - AWR report analyzer - Basics of predictive modeling for performance - Finding repeating signatures of data 2 - 2: Oracle RAC Tuning - RAC architecture tuning - Tuning disk I/O on RAC - Tuning the cache fusion layer on RAC 2 – 3: Oracle Tuning Pack - creating SQL Profiles - Recommending new indexes - “automatic” SQL Tuning - SQL Performance Advisor (SPA) - recommending object reorganization 2 – 5: Oracle Diagnostic pack
- 4. - AWR and ASH - real time SQL monitoring - comparing performance periods - Oracle monitoring & alert notifications (setting thresholds) 2 – 6: Oracle Tracing - 10046 tracing - TKPROF tracing - Trace analyzer - Autotrace 3 – 1: Introduction to SQL tuning - Pre-SQL database communications - The evolution of SQL - Declarative languages 3 –2: Optimizing Oracle SQL - Parsing a SQL statement - Semantic parsing - Hard parse vs. soft parse - Decision tree generation - Making SQL reentrant 3 –3: Optimizer statistics - Types of metadata - Index metadata - Segment metadata - Server metadata - System stats 3 – 4: Exposing & Reading Execution Plans - autotrace - SQL*Trace - Determine the steps of an execution plan 3 – 5: altering execution plans
- 5. - Changing CBO statistics - Changing init.ora SGA parameters - Changing optimizer parameters - Using hints - Using the opt_param hint 3 – 6: Oracle indexing - Overview of Oracle indexing - bitmap indexes - bitmap join indexes - guidelines for creating indexes - function-based indexes (FBI) - index usage monitoring - fishing in the library cache - optimizing indexes - The transient nature of indexing - database modality of workloads - SQL Workload analysis - Identifying EOW, EOM and EOY SQL. - Creating on-demand indexing - oracle text indexes DAY 4 Advanced Topics in Tuning 4 – 1: Boolean/Built-in functions - Boolean evaluation - Decode and case - Basics of BIFs - Function-based indexing - Creating a custom BIF using PL/SQL - The effect of BIFs on SQL execution 4 – 2: tuning Oracle sorting - Basics of sorting - RAM usage in a hash join - RAM for indexes - Use indexes to avoid sorts - Sorts in execution plans - Sorts in semi joins
- 6. - Use autotrace to see sorts - What causes sorts? - PGA and sorting - super-sizing your PGA to avoid disk sorts - sorted hash clusters 4 – 3: Tuning Oracle subqueries - Subquery overhead - Scalar subqueries - In-Line views - Correlated vs non-correlated subqueries - WHERE clause query re-write - Tuning IN and NOTIN subqueries - Tuning EXISTS subqueries - Tuning correlated subqueries - Using subquery hints (push_subq) - Avoiding subqueries - Non-correlated subqueries and NOT IN clause - Automatic rewrite of EXISTS subqueries - The merge_aj hint - The anti-join hints 4 – 4 Tuning with temp objects (materialized views, global temporary tables) - Tuning with temporary tables - Oracle global temporary tables (GTT) - The Oracle SQL WITH clause 4- 5: Tuning full-table scans - Basics of file multiblock I/O - Deciding when to invoke full-table scan - RAM caching in the SGA - Automating table caching (KEEP Pool) - Solid State Disks and full-table scans - Using plan9i.sql to find full-table scans - Tracking full-scans over time with AWR 4- 6 tuning parallel query
- 7. - Parallel query - Parallel DML - Parallel DDL - Parallel utilities - Setting optimal parallel degree - RAC and parallel query - Parallel query tuning and buffering - Parallel query hints