The Teradata Scalability Story
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Verification of Partitioning and Allocation Techniques on Teradata DBMS
Data fragmentation and allocation in distributed and parallel Database Management Systems (DBMS) have been extensively studied in the past. Previous work tackled these two problems separately even though they are dependent on each other. We recently developed a combined algorithm that handles the dependency issue between fragmentation and allocation. A novel genetic solution was developed for t...
متن کاملMining Association Rules on a Ncr Teradata System
Data mining from relations is becoming increasingly important with the advent of parallel database systems. In this paper, we propose a new algorithm for mining association rules from relations. The new algorithm is an enhanced version of the SETM algorithm (Houtsma & Swami 1995), and it reduces the number of candidate itemsets considerably. We implemented and evaluated the new algorithm on a p...
متن کاملTeradata University Network: A New Resource for Teaching Large Data Bases and Their Applications
A free learning portal designed to help faculty to teach, learn, and connect with others in the fields of data warehousing, DSS/BI, and database is being made available by Teradata, a division of NCR. Teradata worked closely with leading academics to create the Teradata University Network (www.teradatauniversitynetwork.com). The network is reached by faculty through a portal that includes (1) c...
متن کاملOperating System Extensions for the Teradata Parallel VLDB
This paper describes the new architecture for supporting the Teradata commercial VLDB on several new operating environments. We start with an overview of the Teradata database software architecture, specifically the Parallel Database Extensions (PDE) that serve as a layer between the NCR Unix OS and the database software. We then describe the challenges of implementing an Open PDE for several n...
متن کاملOS Support for VLDBs: Unix Enhancements for the Teradata Data Base
This paper presents the parallel enhancements which allowed the port of the Teradata Database from TOS, a proprietary ldbit Operating System, to an SVR4 Unix system. It gives an architectural overview of how the Teradata Database solves the main VLDB problems: performance and reliability. We will present he transition from the Database Computer DBC/lOlZ nodes (Interface Processors-IFPs and Acce...
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