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Performance Tuning
Optimizer and Query
Oracle Optimizer Functions
Optimizer Characteristics
Using Stored Outlines
DBMS_STATS Package
Statistics Package
Monitoring DB Operations
Examine Stats
Materialized Views
What are materialized Views
Materialized View Syntax
Summary Data Joins
Index Materialized View
Oracle Handling Invalidation
Query Rewriting Conditions
Explain Plan Command
Managing MV
MV Conclusion
Index Enhancements
Index Types Review
Create Descending index
Oracle bitmapped Index
Create Reverse Index
Creating Statistics
Understanding Domain Indexing
Rebuilding Defragmenting indexes
Function Based indexing
Creating Function-based-index
Index Category Conclusion
Index Organized Tables
index Organized Table
Create IOT Ttable
Bridge Primary Keys
Rebuild Index
Create Secondary Indexes
IOT vs. Regular Tables
IOT Table Conclusion
Advanced Queuing
What is Advanced Queuing
Data Dictionary Views
PL/SQL Applications for Queuing
Developing Advanced Queuing Apps
Developing PL/SQL Apps for Enqueuing
Developing Appslications-dequeuing
PL/SQL Propagation Functionality
Run Queuing Apps
Advanced Queuing Conclusion
Managing LOB
Converting long to LOB
DBMS Stats Package - Quiz
Select the best answer or answers for each question.
1.
Which two features does the cost-based optimizer use that are not used by the rule-based optimizer?
Please select all the correct answers.
A.
Indexes
B.
Star schemas
C.
Partitions
D.
Hints
2.
Why would you store an outline for a query?
Please select the best answer.
A.
To follow the optimizer default settings, as recommended
B.
To force the use of the rule-based optimizer
C.
To preserve a particular execution plan and the performance it delivers
D.
Because you know more about optimizing queries than the optimizer
3.
Which features are a part of the procedures in the
DBMS_STATS
package that are not used by the
ANALYZE
command?
Please select all the correct answers.
A.
Parallel gathering of statistics, where possible
B.
External storage of statistics
C.
Storing execution plan in an outline
D.
Forcing the use of the rule-based optimizer