4 Matching Annotations
  1. Sep 2021
    1. don’t store all the values from onerow together, but store all the values from each column together instead. If each col‐umn is stored in a separate file, a query only needs to read and parse those columnsthat are used in that query, which can save a lot of work.

      Why column storage is better query optimized

    2. REST is not a protocol, but rather a design philosophy that builds upon the principlesof HTTP [34, 35]. It emphasizes simple data formats, using URLs for identifyingresources and using HTTP features for cache control, authentication, and contenttype negotiation.

      What is REST?

    1. 2. Use SuperQuery — With superQuery (installable via Chrome for example) you can even calculate your costs directly per query. In addition, the add-on offers many other useful features [3].


  2. Nov 2020
    1. The mapping between an item and the slot where that item belongs in the hash table is called the hash function.