ITM 102 Chapter Notes - Chapter 6: Nosql, Data Dictionary, Database

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: Bharat Shah

Document Summary

Capabilities of dbms: data definition, data dictionary, stores related files, dbms database management systems, eliminates redundancy, same term consistently, query and reporting, report generation capabilities. Conceptual vs physical design: different views help run businesses, normalization, minimize duplication. Non relation databases (nosql: flexible, easy to scale, handle large volumes of data, social media. Challenge of big data: massive sets of unstructured data, volumes too great for typical dbms, requires new tools/technology to manage, ability to analyze in many ways. Mining: finds patterns and relationships in datasets, text mining, extracts key elements from large data sets, web mining, analysis of useful patterns and information from the web.