First introduced in SQL Server 2012, columnstore indexes can give you major ... Traditional database indexes have a tree structure on disk (called a B-tree) that has a key value, which allows ...

Both clustered indexes and non-clustered indexes have the same physical structure. Moreover, both of them are stored in SQL Server as a B-Tree structure. A clustered list is a particular type of index ...

In-Memory OLTP introduces a new type of index for memory-optimized tables in SQL Server 2014 ... The underlying data structure of a hash index is a hash table, which is quite different from the B-tree ...

Abstract: Most commercial database systems support B/sup +/-tree indexes using either: physical row identifiers, for example, DB2; or logical row identifiers, for example, NonStop SQL. Physical ...