Essays about: "Database system"

Showing result 1 - 5 of 601 essays containing the words Database system.

  1. 1. Thermodynamic Modelling and Experimental Investigation of Tungsten Partitioning in Nickel Based Alloys

    University essay from KTH/Materialvetenskap

    Author : Joshva Kumpati; [2018]
    Keywords : Calphad; Tungsten partitioning; Nickel based alloys; Thermo-Calc; Thermodynamic database; Ni-W binary; Calphad; volframpartitionering; Nickelbaslegering; Termo-Calc; Termodynamisk databas; Ni-W;

    Abstract : Thermo-Calc software AB develops high quality thermodynamic and kinetic databases to predict and simulate accurately multi-component phase behaviour in complex systems. One problem with their Ni-based alloys and superalloy solutions database (TCNI8) is poor description of tungsten partitioning for multi-component nickel based alloys. READ MORE

  2. 2. Enhancing the security of an audit log

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Kristoffer Smedlund; [2018]
    Keywords : ;

    Abstract : In todays society data breaches have become an all too common issue. Insecure databases allows intruders to access sensitive data. This thesis examines how to enhance the security of a relational database. The database is used as an audit log in a system platform at LeanOn AB. READ MORE

  3. 3. Hive, Spark, Presto for Interactive Queries on Big Data

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Nikita Gureev; [2018]
    Keywords : Hadoop; SQL; interactive analysis; Hive; Spark; Spark SQL; Presto; Big Data;

    Abstract : Traditional relational database systems can not be efficiently used to analyze data with large volume and different formats, i.e. big data. Apache Hadoop is one of the first open-source tools that provides a distributed data storage system and resource manager. READ MORE

  4. 4. Collecting Data for Building Automation Analytics : A case study for collecting operational data with minimal human intervention

    University essay from KTH/Radio Systems Laboratory (RS Lab)

    Author : Jonathan Jan; [2018]
    Keywords : Building Automation System; Smart buildings; Big data; Building Management System; Project Haystack; Fastighetsautomationssystem; Smarta byggnader; Big data; Building Management System; Project Haystack;

    Abstract : Approximately 40% of the total energy consumption within the EU is due to buildings, and similar numbers can be found in the US. If the principal inefficiencies in buildings were easily identifiable, then a facility manager could focus their resources to make the buildings more efficient, which would lead to both cost savings for the facility owners and decrease the building’s ecological footprint. READ MORE

  5. 5. Comparison of centralized anddecentralized ventilation in amultifamily building in Stockholm : An LCA-study

    University essay from KTH/Energiteknik

    Author : Sara Lindvall; [2018]
    Keywords : ;

    Abstract : Construction companies in Sweden has to comply with regulations forboth indoor environment and energy performance in multifamily buildings,and they also face a growing demand for certified green buildings.In order to lower the energy demand, all potential energy savings areof interest. READ MORE