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Many SQL Server operations can often be made faster by taking advantage of effective clustered indexes. It should be understood that this combination of a non-clustered and clustered index on the same ...
Within SQL Server, indexes are used to speed up database operations, leading to high performance. The table can, therefore, have only one clustered index, which is usually done on the primary key. A ...
Different types of indexs in sql server What are clustered indexes What are NonClustred indexes Difference between clustred and non clustred indexes A clustered index determines the physical order of ...
In SQL Server 2012, we introduced the memory optimized columnstore index. This resulted in huge query performance improvements but columnstore indexes had one significant disadvantage – they couldn’t ...
SQL Server 2012 has a lot of metadata about columnstore indexes. For example, sys.indexes show column store indexes as type = 6 and type_desc as ‘NONCLUSTERED COLUMNSTORE.’ There also are two new ...
SQL Server 2008 comes with quite a few new features that have more stress on query performance such as filtered index. In this article, we will see how exactly filter indexes help SQL developers and ...
SQL Server will use the hash index on the column SalesOrderID to quickly identify the row corresponding to the parameter @ID. Witness the Index Seek operation in the query plan: Hash indexes are very ...
Resumable index operation for index 'IndexName' failed because the index contains the computed column 'ColumnName' as a key or partitioning column. If this is a non clustered index, the column will be ...