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Speed up queries with the cost-based optimizer in Amazon Athena

AWS Big Data

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. By using these statistics, CBO improves query run plans and boosts the performance of queries run in Athena.

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IT leaders turn to HBCUs for future IT talent

CIO Business Intelligence

They point to statistics that highlight challenges in IT workforce recruitment and diversity. White, a 2001 Morgan State University graduate with a bachelor’s in computer science, speaks from experience: He had two pivotal internships that propelled his professional career. There’s nothing like gametime experience,” he adds.

IT 137
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6 Spectacular Reasons You Must Master the Data Sciences in 2020

Smart Data Collective

Data Science is a field that extracts useful information from loads of structured and unstructured data using algorithms, statistics, and programming. The concept of data science was first introduced in 2001, but it started gaining popularity in 2010. Software engineering was and still is one of the hottest jobs of this century.

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Data science vs. machine learning: What’s the difference?

IBM Big Data Hub

Areas making up the data science field include mining, statistics, data analytics, data modeling, machine learning modeling and programming. Ultimately, data science is used in defining new business problems that machine learning techniques and statistical analysis can then help solve.

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19 organizations advancing women in tech

CIO Business Intelligence

Participants also take part in a paid “applied learning internship” that teaches students how to write code and the skills to become a software developer. Girl Develop It offers web and software development courses at affordable rates in a “judgement-free zone.” Women in tech statistics: The hard truths of an uphill battle.

Software 137
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Self-Service BI vs Traditional BI: What’s Next?

Alation

As Business Objects founder Bernard Liautaud notes in e-Business Intelligence: Turning Information Into Knowledge Into Profit (McGraw-Hill, 2001), the lack of ad hoc data access causes IT staff to drown in requests. Slow requirements led technology leaders to demand proactive business intelligence.

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Email Marketers Use Data Analytics for Optimal Customer Segmentation

Smart Data Collective

Transactional data includes first and final purchases, products, number of purchases, date, statistics, typical order value, commodity purchase history, and total spending by a consumer. Since its inception in 2001, Mailchimp has had more than two decades of expertise in email marketing for millions of subscribers.

Marketing 120