AWS Big Data

NOVEMBER 17, 2023

Starting today, the Athena SQL engine uses a cost-based optimizer (CBO), a new feature that uses table and column statistics stored in the AWS Glue Data Catalog as part of the table’s metadata. Let’s discuss some of the cost-based optimization techniques that contributed to improved query performance.

Optimization 130

Optimization Statistics Metadata Data Lake 130

AWS Big Data

OCTOBER 30, 2024

Now upload the files for transaction sold on 2002-12-31. Let’s run a query to get the daily total of sales transactions across all the stores in the US: SELECT ss_sold_date_sk, count(1) FROM store_sales GROUP BY ss_sold_date_sk; The output shown comes from the transactions sold on 2002-12-31.

Data Warehouse 110

Data Warehouse Sales Data Lake Recreation/Entertainment 110

datapine

MAY 31, 2022

Since we live in a digital age, where data discovery and big data simply surpass the traditional storage and manual implementation and manipulation of business information, companies are searching for the best possible solution for handling data. It is evident that the cloud is expanding. Governance/Control.

Risk 237

Risk Cost-Benefit Business Intelligence Data-driven 237

IBM Big Data Hub

FEBRUARY 6, 2024

Internet companies like Amazon led the charge with the introduction of Amazon Web Services (AWS) in 2002, which offered businesses cloud-based storage and computing services, and the launch of Elastic Compute Cloud (EC2) in 2006, which allowed users to rent virtual computers to run their own applications.

Cost-Benefit 98

Cost-Benefit Digital Transformation Software Internet of Things 98

CIO Business Intelligence

SEPTEMBER 2, 2024

Ora che l’ intelligenza artificiale è diventata una sorta di mantra aziendale, anche la valorizzazione dei Big Data entra nella sfera di applicazione del machine learning e della GenAI. Nel primo caso, non si tratta di una novità assoluta. L’e-commerce è un journey che va dalla visita del sito al completamento dell’acquisto.

Machine Learning 115

Machine Learning Testing Management Software 115

Insight

JUNE 2, 2019

bin/scala to provide /usr/bin/scala (scala) in auto mode $ scala -version Scala code runner version 2.11.12 -- Copyright 2002-2017, LAMP/EPFL Please make note of the Scala version here. Note: Horizontal scaling can be detrimental as it increases the amount of data shuffled across. Setting up scala (2.11.12-4~18.04).

Testing 67

Testing Management Data Processing Interactive 67

The Unofficial Google Data Science Blog

OCTOBER 12, 2017

There is no longer always intentionality behind the act of data collection — data are not collected in response to a hypothesis about the world, but for the same reason George Mallory climbed Everest: because it’s there. Be skeptical, intellectually honest. 109:2211–2213. [3] 3] Hill, A. Perspect Biol Med., 45, 499–515. [5]

Experimentation 62

Experimentation Testing Statistics Metrics 62