kdb+ is a relational time series database (TSDB) with in-memory (IMDB) capabilities. The database is tipically used in high-frequency trading (HFT) to store, analyze, process, and retrieve big data sets at high speed. Financial institutions use kdb+ to analyze time series data such as stock exchange data.

Oracle develops enterprise software products, cloud engineered systems and database Management systems. Oracle’s tools for database development include Customer Relationship (CRM) software, Enterprise Resource Planning (ERP) software and Supply Chain Management (SCM) software as well as middle-tier software systems.