sys-hash-indexes-transact-sql.md

title	sys.hash_indexes (Transact-SQL) | Microsoft Docs
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sys.hash_indexes (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-xxxx-xxxx-xxx_md]

Shows the current hash indexes and the hash index properties. Hash indexes are supported only on In-Memory OLTP (In-Memory Optimization).

The sys.hash_indexes view contains the same columns as the sys.indexes view and an additional column named bucket_count. For more information about the other columns in the sys.hash_indexes view, see sys.indexes (Transact-SQL).

Applies to: [!INCLUDEssNoVersion] ([!INCLUDEssSQL14] through current version).

Column name	Data type	Description
<inherited columns>		Inherits columns from sys.indexes (Transact-SQL).
bucket_count	int	Count of hash buckets for hash indexes. For more information about the bucket_count value, including guidelines for setting the value, see CREATE TABLE (Transact-SQL).

Permissions

[!INCLUDEssCatViewPerm]. For more information, see Metadata Visibility Configuration.

Examples

SELECT object_name([object_id]) AS 'table_name', [object_id],  
     [name] AS 'index_name', [type_desc], [bucket_count]   
FROM sys.hash_indexes   
WHERE OBJECT_NAME([object_id]) = 'T1';  

See Also

Object Catalog Views (Transact-SQL)
Catalog Views (Transact-SQL)