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Snippet Name: INDEXES: Analyze Index

Description: Analyze a table index and show distinct keys, average leaf blocks per key, average data blocks per key, etc.

Also see:
» INDEXES: View table indexes
» INDEXES: Block Dump
» INDEXES: Rebuild Reverse
» INDEXES:
» INDEXES: ENABLE (function-based index)
» INDEXES: DISABLE (function-based index)
» INDEXES: Alter Index Parallel
» INDEXES: Alter Index Deallocate Unused
» INDEXES: Alter Index Allocate Extent
» INDEXES: Virtual / NoSegment
» INDEXES: Reverse Key Indexes
» INDEXES: Bitmap Join Indexes
» INDEXES: Bitmap Indexes
» INDEXES: Unique indexes
» INDEXES: Parallel Index
» INDEXES: Compute Statistics
» INDEXES: SORT and NOSORT
» INDEXES: Function-Based Index
» INDEXES: DROP index
» INDEXES: Alter index
» INDEXES: Single Column Non-unique
» INDEXES: Index Usage Notes
» Compressed Indexes
» Create INDEX

Comment: (none)

Language: PL/SQL
Highlight Mode: PLSQL
Last Modified: March 11th, 2009

SET linesize 121
col avg_leaf_blocks_per_key format 999
col avg_leaf_blocks_per_key head leafs_key
col avg_data_blocks_per_key format 999
col avg_data_blocks_per_key head data_key
 
SELECT index_name,blevel,distinct_keys,
avg_leaf_blocks_per_key,avg_data_blocks_per_key
FROM user_indexes;


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