1 / 4

CS 523 Database Topics

CS 523 Database Topics. Exam Reviews. Exam #1. Class Introduction Definitions Introduction to OLAP processing Introduction to Data Mining Processing Data Warehousing Differences between a data warehouse and a transactional database Data organization – the star schema Bit Map Indexes.

talor
Télécharger la présentation

CS 523 Database Topics

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. CS 523 Database Topics Exam Reviews

  2. Exam #1 • Class Introduction • Definitions • Introduction to OLAP processing • Introduction to Data Mining Processing • Data Warehousing • Differences between a data warehouse and a transactional database • Data organization – the star schema • Bit Map Indexes

  3. Exam #1 (cont) • Introduction to ETL • Data Preprocessing Activities • SQL Commands to copy data • Extraction/transformation/load • Sqlldr • Externally stored tables • Dblinks • OLAP Introduction • OLAP in SQL • Rollups and Cubes

  4. Exam #2 • More OLAP in SQL • Partitioning • Analytical functions (cume_dist, ntile, etc.) • Introduction to data mining • No prediction – time series, clustering • Predict one thing – decision trees, value prediction • Predict everything – association, sequential patterns.

More Related