{"id":164884,"date":"2013-06-22T00:00:00","date_gmt":"2013-06-22T00:00:00","guid":{"rendered":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/msr-research-item\/hekaton-sql-servers-memory-optimized-oltp-engine\/"},"modified":"2018-10-16T21:09:19","modified_gmt":"2018-10-17T04:09:19","slug":"hekaton-sql-servers-memory-optimized-oltp-engine","status":"publish","type":"msr-research-item","link":"https:\/\/cm-edgetun.pages.dev\/en-us\/research\/publication\/hekaton-sql-servers-memory-optimized-oltp-engine\/","title":{"rendered":"Hekaton: SQL Server&#8217;s Memory-Optimized OLTP Engine"},"content":{"rendered":"<div class=\"asset-content\">\n<p>Hekaton is a new database engine optimized for memory resident data and OLTP workloads. Hekaton is fully integrated into SQL Server; it is not a separate system. To take advantage of Hekaton, a user simply declares a table memory optimized. Hekaton tables are fully transactional and durable and accessed using T-SQL in the same way as regular SQL Server tables. A query can reference both Hekaton tables and regular tables and a transaction can update data in both types of tables. T-SQL stored procedures that reference only Hekaton tables can be compiled into machine code for further performance improvements. The engine is designed for high con-currency. To achieve this it uses only latch-free data structures and a new optimistic, multiversion concurrency control technique. This paper gives an overview of the design of the Hekaton engine and reports some experimental results.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hekaton is a new database engine optimized for memory resident data and OLTP workloads. Hekaton is fully integrated into SQL Server; it is not a separate system. To take advantage of Hekaton, a user simply declares a table memory optimized. 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