Advantages of Indexed Views in SQL Server
In addition to the potential performance gains for complex views that are frequently referenced in queries, the use of indexed views has several advantages. Learn more.
Read MoreMost Popular Indices
Guidelines for Creating and Using SQL Server Indices
Although the SQL Server Database Engine does not have any practical limitations concerning the number of indices, it is advisable to limit them. Learn why.
Read MoreRebuilding a SQL Server Index
Fragmented index data causes the SQL Server Database Engine to perform additional data reads, and decreases performance. To fix this problem, you must rebuild fragmented indexes. Learn more.
Read MoreObtaining SQL Server Index Fragmentation Information
To get information concerning internal index fragmentation in SQL Server, use the DMV sys.dm_db_index_physical_stats. Learn how.
Read MoreAbout SQL Server Nonclustered Indices
A nonclustered index in SQL Server has the same index structure as a clustered index, but doesn’t change the physical order of the rows in the table, and the leaf pages consist of an index key plus a bookmark. Learn more.
Read MoreAbout SQL Server Clustered Indices
A clustered index is built by default for each table for which you define the primary key using the primary key constraint. Learn more.
Read MoreAbout SQL Server Indices
SQL Server indices are a separate physical data structure that enables queries to access one or more data rows fast. Proper tuning of indices is key for query performance. Learn why.
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