Essays about: "Column-oriented database"

Showing result 1 - 5 of 6 essays containing the words Column-oriented database.

1. 1. Compression Selection for Columnar Data using Machine-Learning and Feature Engineering

   University essay from Malmö universitet/Institutionen för datavetenskap och medieteknik (DVMT)

   Author : Douglas Persson; Ludvig Juelsson Larsen; [2023]
   Keywords : Machine Learning; XGBoost; Classification; Feature Engineering; Compression Algorithms; Data Encodings; Database Management System DBMS ; Column- Oriented DBMS;

   Abstract : There is a continuously growing demand for improved solutions that provide both efficient storage and efficient retrieval of big data for analytical purposes. This thesis researches the use of machine-learning together with feature engineering to recommend the most cost-effective compression algorithm and encoding combination for columns in a columnar database management system (DBMS). READ MORE

3. 2. Integrating dictionaries in a column-oriented database.

   University essay from Umeå universitet/Institutionen för datavetenskap

   Author : Melinda Vestberg; [2023]
   Keywords : Column-oriented database; dictionary; compression techniques; encoding;

   Abstract : In today's data-driven world, managing large volumes of data has become a common challenge. Data-driven businesses often face the task of effectively handling and analysing such extensive datasets when real-time analysis plays a crucial role to make informed decisions. READ MORE

4. 3. Consequences of converting a data warehouse based on a STAR-schema to a column-oriented-NoSQL-database

   University essay from Högskolan i Skövde/Institutionen för informationsteknologi

   Author : Rebecca Bodegård Gustafsson; [2018]
   Keywords : column-database; datawarehouse; nosql; apache; hbase; sql;

   Abstract : Data warehouses based on the relational model has been a popular technology for many years, because they are very reliable due to their ACID-properties (Atomicity, Consistency, Isolation, and Durability). However, the new demands on databases today due to increasing amounts of data and data structures changing do mean that the relational model might not always be the optimal choice. READ MORE

5. 4. Performance Evaluation of MMAPv1 and WiredTiger Storage Engines in MongoDB : An Experiment

   University essay from Blekinge Tekniska Högskola/Institutionen för datalogi och datorsystemteknik

   Author : Rohith Reddy Gundreddy; [2017]
   Keywords : MMAPv1; WiredTiger; MongoDB; Performance Evaluation;

   Abstract : Context. As the data world entered Web 2.0 era, there is loads of structured, semi-structured and unstructured data growing enormously. The structured data can be handled efficiently by SQL databases. READ MORE

6. 5. Integration of an In-Memory Column-Oriented Database Engine as Back-End of a BI Application

   University essay from KTH/Skolan för informations- och kommunikationsteknik (ICT)

   Author : Noura Aïna Rabardeau; [2014]
   Keywords : ;

   Abstract : The benefits of Business Intelligence (BI) activities are widely recognized and arouse more and more interest nowadays. In particular, self-service analytics is getting more and more popular. Enabling end users to process their data by themselves allow them to be more reactive to business changes by making better decisions faster. READ MORE