Definition of QphH
What does is it mean and how is it used
What is a QphH (Query-per-Hour Performance)?
The TPC-H Composite Query-per-Hour Performance (QphH@Size) is a metric used to reflect multiple aspects of a database system’s ability to process queries.
These aspects include the selected database size against which the queries are executed, the query processing power when queries are submitted by a single stream, and the query throughput when queries are submitted by multiple concurrent users. The TPC-H Price/Performance metric is expressed as $/QphH@Size.
Why use QphH?
If you’re after fast analytics is important to have high QphH. The faster the database, the higher the QphH value.
Did you know?
The QphH metric is unique to the TPC-H benchmark. Other benchmarks have a different matric suffix, for instance TPC-DS benchmark has a metric called QphDS.
Latest QphH Insights
The diversity of today’s technologies in the data management market can be overwhelming, thus many decision makers like to stick to the ‘same old, same old’ big brands. But deep down they know that this strategy has its pitfalls.
The importance of data analytics, quick query response times, and agility for financial services is beyond doubt. Read about three innovative companies that have taken up the challenge to transform finance.
Interested in learning more?
Whether you’re looking for more information about our fast, in-memory database, or to discover our latest insights, case studies, video content and blogs and to help guide you into the future of data.