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Using the R-Tree Secondary Access Method
In This Chapter
Before You Begin
Creating R-Tree Indexes
Syntax
R-Tree Index Parameters
Bottom-Up Building of R-Tree Indexes
Using the NO_SORT Index Parameter
R-Tree Index Options
Using the FRAGMENT Clause
Using the IN Clause
Examples of Creating R-Tree Indexes
When Does the Query Optimizer Use an R-Tree Index?
Complex Qualifications
R-Tree Indexes and Null Values
How an R-Tree Index Internally Handles Null Values
How Strategy Functions Handle Null Values
Performing Nearest-Neighbor Searches
Limitations
Example
Database Isolation Levels and R-Tree Indexes
Functional R-Tree Indexes
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