The database group at TUM

Alfons Kemper; Thomas Neumann

doi:10.1145/2694428.2694439

The database group at TUM

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Abstract

The aim of the long-term HyPer project. is to develop a high-performance database engine that unites the two seemingly disparate worlds: OLTP and OLAP. For this purpose researchers developed a hybrid main memory database system that supports OLTP- and OLAP-applications. The OLAP processing is separated from the mission-critical OLTP transaction processing by forking virtual memory snapshots. Thus, no concurrency control mechanisms other than the hardware-assisted VM management are needed to separate the two workload classes. Transactions and queries are specified in SQL and are efficiently compiled into LLVM-assembly code. The transactions are specified in an SQL scripting language called HyPer-Script and registered as precanned, stored procedures.

Original language	English
Pages (from-to)	55-60
Number of pages	6
Journal	SIGMOD Record (ACM Special Interest Group on Management of Data)
Volume	43
Issue number	3
DOIs	https://doi.org/10.1145/2694428.2694439
State	Published - 1 Sep 2014

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The database group at TUM

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