Optimizing update operations in in-memory database systems

T Legler - US Patent 9,576,013, 2017 - Google Patents
BACKGROUND An in-memory database system is a database management system that
uses main memory for computer data storage. In-memory database systems can store data …

Multi-pass, parallel merge for partitioned intermediate pages

JW Hu, LIN Mei-Lin, BC French - US Patent 9,558,221, 2017 - Google Patents
US9558221B2 - Multi-pass, parallel merge for partitioned intermediate pages - Google
Patents US9558221B2 - Multi-pass, parallel merge for partitioned intermediate pages …

Calculation scenarios with semantic nodes

C Weyerhaeuser, T Mindnich, D Baeumges… - US Patent …, 2015 - Google Patents
BACKGROUND Structured Query Language (SQL) is a common applica tion programming
interface (API) for databases. SQL can be used by applications to access reporting-views …

Hierarchical runtime settings within distributed query execution frameworks

C Weyerhaeuser, T Mindnich, J Merx, J Schad… - US Patent …, 2017 - Google Patents
2012/0221549 A18/2012 Weyerhaeuser et al. 2013/0166497 Al 6/2013 Schroetel et al.
2013/0166566 Al 6/2013 Lemke et al. 2013/0166892 A1 6/2013 Sachs et al. 2013/0245804 …

Integration of relational calculation views into a relational engine

J Schwing, J Merx, C Weyerhaeuser - US Patent 10,831,784, 2020 - Google Patents
A calculation engine of a database management system is described. In some
implementations, the calculation engine receives a calculation scenario including a plurality …

Bucket skiplists

P Steinemann, T Legler - US Patent 10,235,420, 2019 - Google Patents
The present disclosure involves systems, software, and computer implemented methods for
providing a bucket skiplist. In one example, a method comprises identifying a value to be …

Processing of data chunks using a database calculation engine

C Weyerhaeuser, A Bakulina, T Mindnich… - US Patent …, 2019 - Google Patents
(57) ABSTRACT A database server receives a request to perform a primary query on a table
of a database. A first table query can be generated and can include a starting row identifier …

Optimizing update operations in in-memory database systems

T Legler - US Patent 10,204,133, 2019 - Google Patents
Performing optimized update operations in in-memory data base systems. Update values
corresponding to a source table of values stored on an in-memory database are identified by …

Database calculation engine

C Weyerhaeuser, D Baeumges, T Mindnich… - US Patent …, 2017 - Google Patents
BACKGROUND Data flow between an application server and a database server is largely
dependent on the scope and number of queries generated by the application server …

Bucket skiplists

P Steinemann, T Legler - US Patent 9,747,315, 2017 - Google Patents
The present disclosure involves systems, software, and computer implemented methods for
providing a bucket skiplist. In one example, a method comprises identifying a value to be …